| Search Help New search |
| Results 1-50 of 193 for « filtered(+text:net +(+name:darwin +name:charles +name:robert) +manuscript:true)->startdate:[184000000-} » |
| 55% |
The Complete Work of Charles Darwin Online [A49] Numbers of sexes In some Cyprinodonts male not half size of female, hence males wd escape thro' net thus Günther accounts for excess of female specimens. In sticklebacks do not breed till 2 or 3 years old. Probably die after breeding, hence difficult to estimate sexes. In trout infertile females would with difficulty be distinguished from males. hence liable to error
|
| 53% |
CUL-DAR76.A3
Note:
1841.06.00
In Periwinkle (Vinca) pollen large-grained adheres in masses to sides of
Text
Image
The Complete Work of Charles Darwin Online (6 In (P) Periwinkle (Vinca) pollen long-grained adheres in masses to sides of White tuft on stigma. — I see no different in impreg, without it be necessary that pollen shd get to summit of stigma. To do this it must be forced upwards between bristles at end of anther which meet cover summit of stigma. — or pollen may be carried towards mouth of corolla, where there is net of transverse hairs, where it would be caught might thence be carried down
|
| 56% |
CUL-DAR6.16-50
Draft:
[1842.05.00--1842.06.00]
Sketch of Species Theory — rough copy much corrected
Text
Image
organized kind Our theory requires so so make them accord Silurian first not metamorphosed, other or in bottom of ocean other cases first introduced = I may add that if beds far beneath Silurian could be found, or lacrustine deposits of that age, that as the older the fossils are often the more intermediate in character so would the net be rendered more perfect. [35
|
| 53% |
CUL-DAR6.16-50
Draft:
[1842.05.00--1842.06.00]
Sketch of Species Theory — rough copy much corrected
Text
Image
(read on few next pages) BB) Geology portrays a vast number of forms have existed, these all fall into present classes or between them. Metaphor of net, oldest forms of each group. apt to fall into most divided parts a progress towards completing series some naturalists think in certain groups now perfect see. Now our theory requires perfect gradation like cattle. explain why geology does not give in perfect series ( c c c to middle of p. 19) The foregoing arguments which show that (first
|
| 52% |
CUL-DAR6.16-50
Draft:
[1842.05.00--1842.06.00]
Sketch of Species Theory — rough copy much corrected
Text
Image
Ornithorhyncus??). How As far as geological discoveries, they tend towards such gradation. illustrate it with net. Toxodon tibia fibula =dog otter = but if we h so utterly improbable is in ex. get. Pachydermata to compare series as perfect as cattle that if, as many geologists seem to think infer, on bones of that each separate formation present even an approach to a consecutive history my theory must be given up. (B) even if it were consecutive, it wd only collect series of one district in our
|
| 50% |
CUL-DAR6.16-50
Draft:
[1842.05.00--1842.06.00]
Sketch of Species Theory — rough copy much corrected
Text
Image
some of these latter inhabit very similar countries, but others most diverse stations We find them intimately related scarcely differing more than some breeds of cattle in structure to the Rhinoceros, which for immense periods have inhabited their one, out of three main zoological divisions of the world; yet some of these ancient animals were fitted to very different stations: we find all three partaking of the generic character of the Rhinoceros. which form a piece of net set of links in the
|
| 52% |
CUL-DAR46.2.C18-C22
Note:
1842.05.22--1842.06.01
The Menyanthes sheds its pollen when fully expanded & certainly not
Text
Image
bottom of spadix, close to a stigma. In one several unopened flowers, no insects, ∴ not bred in there.— Arum pollen about 1/800 globular. = 26th tied quietly net over arum found in course of hour many midges in it— found on summit central of central organ in a flower, which I had not touched did not see insect come out from, many grains of pollen, proof of dusted insects of their own escaping.— in many midges in flower with unbursted anthers, wh. shows they come for secretion, not for pollen
|
| 65% |
The Complete Work of Charles Darwin Online [93] Athenaeum /43/ p. 851. Brit Assoc — Strickland on irregularly branching affinities — Owen gives up circular, quinary c — others Pallas compare system to net drawn to a point Owen admits. if other subordinate points be admitted. Strickland, Hugh Edwin. 1843. British Association. Athenaeum no. 829: 851
|
| 58% |
CUL-DAR205.5.115
Note:
1845.12.25
Family Genus & species cease to have meaning when we collect every
Text
Image
The Complete Work of Charles Darwin Online [115] (Dec. 25.— 45) 11. Family Genus species cease to have meaning, when we collect every species wh. has lived only individuals left. But even if all were collected the whole series wd not be a net, but Genera families c would not be a net be branches in trees, with their extremities not united. At any one epoch genera species obviously exist; genera from extinction of that is from only certain of old species having sent down descendants, species
|
| 59% |
CUL-DAR194.1-12
Note:
1850s--1860s
Humble Bees Notebook [mostly concerning their navigation around the Down
Text
Image
course, other days a good many came travelling in back direction, but I think never so many.— Hoop-net which placed on (3) buzz place, did not prevent bees coming so caught, so not guided by vision— Powdered bee flew away but afterwards returned.— At Buzz 5, there seems branching off. some go obliquely across field towards flower garden: others to great ash, 5(a) but very many of these first went up hedge to South (probably to Buzz 6.) then returned in a ∆. From ash 5a I think they go to great
|
| 62% |
CUL-DAR27.2.B33
Note:
[1854--1870]
Mid-styled fertilised by Lettington with both own pollens
Text
Image
The Complete Work of Charles Darwin Online [33] Mid-styled fertilised by Lettington with both own pollens, under net; two branches; thus done, in none of these case was the crossing done carefully it was not looked to whether pollen was on stigma. 3 12 13 20 0 7} 6 pods Five pods fertilised themselves 42 10 101 26 0 4) [calculations not transcribed] [33v
|
| 56% |
The Complete Work of Charles Darwin Online [43] (1) 10 Essays on the Unity of Worlds by Rev. Baden Powell 1855 p. 135 a mere numerical relation invariably preserved but no further connected with any imaginable purpose, or a systematic arrangement of useless parts or abortive organs on a regular plan, are just as forcible indications of intelligence as any results of immediate practical utility. p 332 Owen compares natural affinities with a net-work Prof. Pictet has discussed higher lower
|
| 52% |
such conditions. So that in going for instance southward, the decreasing numbers final disappearance of any species, is not by any means wholly due to the extremely gradual change of climate, but to the sudden presence of other competing forms, or the sudden absence of others, on which our species may chiefly depend for food; the relation of the prey or fo6d will again depend on other organic beings; all nature being bound together in an inextricable net‐work of relations. (a) [For readability
|
| 56% |
CUL-DAR206.8
Note:
1857.07.00
From Reversions & Pig-case I think plan wd be to try & deteriorate
Text
Image
The Complete Work of Charles Darwin Online [8] July 1857. From Reversions Pig-Case, I think plan wd be to try deteriorate vegetables from what I have seen of feral wheat in Larch wood Pea in sand-walk, Radish in Ashes Bean in field. — I think plan wd be in turf to bare space of 3 or 4 inches wide plant in solid earth many seeds, then save seeds of worse plants — Great care for Birds necessary to net the beds— Try Spring Wheat Oats Barley— Brussel Sprout Cauliflower — Red Cabbage— Radish Peas
|
| 65% |
CUL-DAR27.1.G1c-G12
Draft:
[1858]
On the agency of bees in the fertilisation of papilionaceous flowers and on the crossing of kidney beans
Text
Image
(a) This statement may be erroneous; at least, as I shall immediately show, it does not apply to the Canterbury settlement. But I was induced by it to cover up under the same open sort of net about a yard (4 bi
|
| 62% |
CUL-DAR27.1.G1c-G12
Draft:
[1858]
On the agency of bees in the fertilisation of papilionaceous flowers and on the crossing of kidney beans
Text
Image
of very thin net: nothing in the appearance of the plants would lead me to suppose that this was in any way injurious to their fertilisation; I think this conclusion may be trusted, for some few of the flowers which I moved in the same way as the Bees do, not produced pods quite as fine as could be anywhere found in the uncovered rows. The same theory we the case with the pods of marked flowers of the common Beans with under the same sort of net in a following experiment. The result was that
|
| 56% |
CUL-DAR27.1.G1c-G12
Draft:
[1858]
On the agency of bees in the fertilisation of papilionaceous flowers and on the crossing of kidney beans
Text
Image
injured. This was attributed by the writer to injury of the german ovarium, which I am sure is incorrect. But I thought that it was very possible that the fertilisation would be less perfect, as soon as bees ceased to alight on the wing petals. I accordingly covered up, just as the a few hours before the flowers were opened, 17 plants moving a few flowers flowers to make sure that good pods would be formed under the net, as did happen first rate were produced. These 17 plants as [illeg] show to
|
| 53% |
CUL-DAR27.1.G1c-G12
Draft:
[1858]
On the agency of bees in the fertilisation of papilionaceous flowers and on the crossing of kidney beans
Text
Image
old number of the Gardeners' Chronicle an extract is given from a New Zealand p newspaper in which it is stated much surprise is expressed that the introduced Clover never seeded freely until the Hive-bee was introduced. (a) Accordingly I covered up about a yard square of the common white clover, growing thickly in turf; then gathered an equal number of the five heads from under the same sort of net from the covered and uncovered plant, which were growing al round, which I had seen daily
|
| 50% |
CUL-DAR132.7
Printed:
1859
Manual of geology (from Admiralty `Manual of scientific enquiry' 3rd edition [Clowes]): 34pp
Text
Image
PDF
open ocean should be split open, to see if any earth or stones are included (as often happens), and this earth ought to be treated like that from icebergs: it is truly surprising how many seeds are often contained in extremely small portions of earth. Any graminivorous bird, caught far out at sea, ought to have the contents of its intestines dried for the same object. The zoologist who, with a towing-net, fishes for floating minute animals, ought to observe whether seeds are thus taken. These
|
| 56% |
CUL-DAR47.136a
Correspondence:
Darwin Charles Robert to Watson H.C
[1860.01.05--1860.01.11]
Darwin Charles Robert to Watson H.C
Text
Image
The Complete Work of Charles Darwin Online [136a] Jan 15 Mr H C. W. in letter sticks up for convergence, but says too lengthy to give facts reasons.— Says truly convergence would convert my diagram into net-work. My argument about same species arising in different areas from 2 other species, is in fact applicable to the question; for it comes to this world species *belong to distinct genera in two countries become modified into species of same genus. I doubt.— [136av
|
| 72% |
CUL-DAR76.B79-B80
Note:
1861.08.29--1861.09.04
To show importance of Diptera I saw large field yellow with charlock &
Text
Image
the net which was open did not touch plant.— One Head covered produced 200 199 capsules another small poor Head uncovered produced 289, this probably gives proportional fecundity — There can be no crossing, all in in, breeding under net.— This case important look at number of flower close together, each pistil with its six stamens yet we see that pollen can get on own stigma for one head produced 199 capsules; yet when several vars. grew together they crossed so largely — vars must have
|
| 56% |
CUL-DAR76.B79-B80
Note:
1861.08.29--1861.09.04
To show importance of Diptera I saw large field yellow with charlock &
Text
Image
The Complete Work of Charles Darwin Online [79] All self-fertile Insects Aug 29'— 1861 — Down— To show importance of Diptera: I saw large field yellow with charlock, frequented by millions, almost every plant, with several Syrphidæ, mostly a large species — very few Bees.— (I saw a Rhingia sucking blue Lobelia.) Dichogamy Veronica agrestis under Bell-glass set plenty of seeds, without any insect agency. — Galium aparine under net set quite as many seeds as the uncovered. Covered up Blood Red
|
| 59% |
CUL-DAR54.50-54,54v,55-61
Note:
1861.09.07--1861.09.16
Dionaea [application of water, carbonate of ammonia, hair, nitrate of
Text
Image
The Complete Work of Charles Darwin Online (1 Dionæa 1861 Sept 7 (yellow worsted) Touched Hair in middle at 9º 8' shut instantly. Spikes cross make a net, which would allow any very minute fly to escape — sides of leaves convex. (Sept 8th 8º 30' nearly open again.) (Red worsted) Sept 7 9º 16' 30 Put on bit of abdomen of Hairy Long Legs, all dry round; touched surface of leaf with cut off end of abdomen carefully, did not touch Hairs. (Sept 8th 9º. A m. no effect.) (
|
| 59% |
Nov. 27 /62 Nolana prostrata 9 Plants uncovered, seed weighed 79 gr. ∴ 12 plants would have produced 105 gr. ✔ 12 Plants under net in Greenhouse white thread 3 seeds Black thread 4 all the other pods had opened got mixed with remaining seeds; so that 14 flowers were artificially fertilised in this lot. — Every single plant of the 12 produced some seed, so that none can be strictly dimorphic. — These 12 Plants produced only 64 gr, yet 14 flowers were artificially fertilised; so that Bees aid
|
| 53% |
CUL-DAR76.B40
Note:
1862.05.24
Cabbages / Prepotency / 10h 45 put plenty of pollen on 3 lately opened
Text
Image
The Complete Work of Charles Darwin Online [40] May 24th 1862 Cabbages Prepotency 10˚. 45' put plenty of own pollen on 3 lately opened flower already apparently with own pollen on, of Ragged Jack; next day after 23 hours put pollen of long stamen of Cattells' early Barnes Barnes Cabbage plant growing at great distance apart.— marked with black thread; as these flowers were left exposed remained open for a day or two could probably received own pollen by insects. Serve to show that in var. said
|
| 53% |
CUL-DAR76.B40
Note:
1862.05.24
Cabbages / Prepotency / 10h 45 put plenty of pollen on 3 lately opened
Text
Image
experiments in natural crossing of cabbages that the number of crossed plants was due to foreign pollen being incessantly brought; but yet, I think, must have some prepotent effect to account for so many. We see anyhow that several application of pollen is necessary The plant own pollen must by gravity or thrips be incessantly brought, as plant under net seeds so perfectly.— [in margin:] It is very odd that the all the crossed plants, pure impure in pot were more vigorous could this be accident or
|
| 56% |
CUL-DAR108.2-4
Note:
1862.06.28--1862.10.16
Mullein — K[itchen] G[arden] transported from Fields / Verbascum
Text
Image
from pollen-gatherers. V. thapsus seeds profusely under net. V. lychnitis seems certainly without due cause to set very much fewer seeds than the uncovered plants. — Both species were in flower in garden with above hybrid yet Hybrid produced no seed. (
|
| 62% |
The Complete Work of Charles Darwin Online [12] July 11 62— Single carnation Castrated flowers white thread (1) pollen of longest anthers Black thread (1) ― of shortest anthers Nov. 5. 1862 Black-thread — — 83 seeds white thread — pod with 0 seed perhaps accident— Plant under net produced 18 pods which I thought would be good, yet of 18 only 2 contained any good seed, these 2 pods having 10 15 seeds — so almost sterile without insects. — Dichogam─ [12v
|
| 53% |
CUL-DAR27.2.B19-B21
Note:
1862.10.00
Short-styled Devon plant — Lythrum salicaria (tables)
Text
Image
The Complete Work of Charles Darwin Online [19] Oct. 1862 Short-styled Devon Plants.— Lythrum salicaria Pollen of long-styled form Longer stamens 4 flowers fertilised (white silk) no pod no pod no pod no pod 6 8 Pollen of Long-styled form Shorter stamens 6 flowers fertilised (Black silk) 69 61 88 66 [total] 284/6 4/6 set (perhaps 5/6 see below) Pollen of mid styled form Longer stamens 4 flowers fertilised (White wool) no pod no pod no pod no pod 6 8 Pollen of mid-styled form Shorter stamens 6
|
| 53% |
CUL-DAR27.2.B19-B21
Note:
1862.10.00
Short-styled Devon plant — Lythrum salicaria (tables)
Text
Image
trusted Try 5 with Both Pollen Self-fertilised on whole plant only 5 pods under net 42 10 101 — some insect brought pollen from other plant?? 26 0 78 / 3 6 18 [=] 26.0 per pod
|
| 52% |
CUL-DAR27.2.B19-B21
Note:
1862.10.00
Short-styled Devon plant — Lythrum salicaria (tables)
Text
Image
pollen Longer stamens 8 flowers fertilised (White thread) 2 10 23 3/8 set all Devon Plants 7 Own pollen Shorter-stamens. 8 flowers fertilised (Black thread) 4 8 4 3/8 set all Devon Plants 7 Two branches carelessly fertilised by both pollens Hartfield Plants 0 0 13 Devon Plant 24 10 8 18} fertilised by myself 11 6 15 24} on one branch [total] 116/8 [=] 14.5 average [calculations not transcribed] Perhaps I might reduce not to be fertilised Self-fertilised under net altogether 29 pods on Devon Plants
|
| 65% |
CUL-DAR76.B82
Note:
1862.10.04
The Adlumia cirrhosa sets plenty of pods under net - like other Funariaceæ.— p. 63 Experiment Book
Text
Image
The Complete Work of Charles Darwin Online B82 Oct. 4th 1862 The Adlumia cirrhosa sets plenty of pods under net - like other Funariaceæ.— p. 63 Experiment Book Darwin, C. R. 1855-1867. Experiment Book. CUL-DAR157a.1-84, p. 63
|
| 65% |
CUL-DAR77.20
Note:
1862.10.04
Dwarf Kidney Bean viz Canterbury & Fulmers Forcing Bean set apparently
Text
Image
The Complete Work of Charles Darwin Online [20] Dwarf Kidney Bean. viz Canterbury Fulmers Forcing Bean set apparently as many pods under net, as the open plants, pods, as many beans as on open plants; but I did not compare rigorously.— Oct. 4th 1862 Dichogamou
|
| 62% |
CUL-DAR79.113
Note:
1862.10.04
Dichogam / Campanula carpathica seeds profusely exposed (does it produce
Text
Image
The Complete Work of Charles Darwin Online [113] Oct 4. 1862 Dichogam Campanula carpathica seeds profusely exposed (does it produce nectar, I have noticed only pollen-gatherers at work) did not produce one pod under net.— (On other hand. Venus Looking Glass Campanula speculum. (Specularia?) sets as many pods under net as exposed— I have only seen Diptera visiting this. The stigma before it open is covered with pollen: as it open, I think some gets between clefts at apex.— but corolla is dusted
|
| 62% |
CUL-DAR76.B85
Note:
1862.11.08
Hop Clover / Of plants in garden uncovered 60 heads yielded 9.1 gr[ains]
Text
Image
The Complete Work of Charles Darwin Online [85] November 8— 1862. Hop Clover. Of plant in garden, uncovered, 60 heads yielded 9.1 gr of seed. The 60 heads of plants under net were finer seed plumper seed weighed 17.7 gr. I suppose this greater weight of seed was some accident of plant being finer, but shows anyhow that insects are by no means necessary to fertilisation of this species. — T. procumbens Hooker Hop-Trefoil Dichogamy
|
| 66% |
CUL-DAR79.176-177
Draft:
1863--1871
Linaria vulgaris / Yellow common Linaria / Draft fragment of Descent chapter VII.
Text
Image
The Complete Work of Charles Darwin Online [176] Aug. 20 — 63 (Lin vulgaris) Yellow common Linaria — Bees enter, but many bite holes into long nectary.— Stigma lies in a triangular space between 2 upper anthers (in Antirrhinum stigma lies between 2 lower anthers evidently get own pollen) it is wonderful does not get own pollen in abundance; but pollen very coherent.— Covered up several five fine plants under net. The surrounding plants produced a solid spikes of fine capsules. — It is evident
|
| 62% |
CUL-DAR27.2.B39-B43
Note:
[1863--1864]
Mid-styled (castrated) / Short-styled Lythrum under net / Short-styled
Text
Image
Short-styled Lythrum under net 1864 counted Plant E Black silk 56 ✓ — long-styled Heteromorphic a do 88 ✓ do 112 ✓ do 111 ✓ do — 62 ✓ do — 100 ✓ White silk 23 ✓ long-stamen of long-styled do do 14 ✓ (Plant D short-styled) Black worsted — 69 ✓ — mid-styled heteromorph do — 69 ✓ Self-fertilised — 30 Black worsted — 53 ✓ Black thread — 21 ✓ own yellow pollen of shorter stamen Black wool — 9 ✓ Black thread — 9 ✓ [41
|
| 62% |
CUL-DAR27.2.B39-B43
Note:
[1863--1864]
Mid-styled (castrated) / Short-styled Lythrum under net / Short-styled
Text
Image
Short-styled Devon Plant— covered under separate net.— Black Wool — (1) 93 Black Silk X 69 Not fertilised 20 —{very poor seeds, shrivelled, I doubt whether one is good do — 6 = { Black Silk X 61 Black Wool (2) 77 Black Silk X 88 Black Cotton or S 64 — {I have no doubt I crossed by mistake Black Silk X 66 Black Wool (4) 43 Two branches with all flower fertilised with own pollens set not one pod.— [43
|
| 62% |
CUL-DAR27.2.B39-B43
Note:
[1863--1864]
Mid-styled (castrated) / Short-styled Lythrum under net / Short-styled
Text
Image
July 31 63. under Net I have marked long-styled 3 string Mid styled 2 string Short-styled 1 string.— (134 flowers crossed this year) Of Homomorphic seedlings — 3 long-styled now in flower, (with (other plants now all cut down—) marked white worsted. One Homomorphic mid-styled also thus marked. Now whether the other flowers are visited by Bees, they will be a now heteromorphic cross of Homomorphic seedling
|
| 56% |
CUL-DAR108.163-167
Note:
1863.03.07--1863.03.24
Seedlings from Cowslip-Polyanthus crossed in 1861
Text
Image
I think there are intermediate vessels in case of ovarium.— One had 4 pistils March 25th 24 2°. 45 — 3 young flowers which had opened not cut off stigmas part of style; closely examined stigmas not a grain of pollen above on them. — Red wool. — March 26, 12°, put on heteromorphic pollen ( bound up flowers) whole another into crown of ovarium, put plant out of doors under net— March 28 11° (ie 47°) no pollen-tubes emitted or possibly one or two short ones; but none near micropyle of ovule
|
| 53% |
CUL-DAR108.163-167
Note:
1863.03.07--1863.03.24
Seedlings from Cowslip-Polyanthus crossed in 1861
Text
Image
plant N.B. 7, 8, 10 Pencil ( Hot-House Plant) are short-styled 9, 11 Plant which was not covered by net Pencil are long-styled} Heteromorphic seedlings (
|
| 72% |
CUL-DAR111.A6-A11
Note:
1863.03.31--1863.05.15
Viola canina true under net 8 flowers not touched black thread
Text
Image
be sucked by Humble 4 have produced x fine pods the other 2 bitten off probably set.─ May 15 marked with White Silk 8 imperfect flowers on plants which had been under net.─ All set pods ─ June 3d. The flowers which I artificially fertilised on April 14 have large pods, but they are scarcely larger than those produced on minute imperfect flowers marked May 15 !! so pods of latter grew much more quickly, this explains perfectly my doubt about the pods under net not marked ─ I may safely say
|
| 70% |
CUL-DAR111.A6-A11
Note:
1863.03.31--1863.05.15
Viola canina true under net 8 flowers not touched black thread
Text
Image
I found two other withered flowers so say 12 marked, I see now May 15 many imperfect flowers have produced good size pods; so I do not doubt that extra pods are all product of imperfect pods.─ I remember last year I could not distinguish; these must be imperfect flowers nearly or quite comel comely with perfect flowers.─ At least I may say 12 flowers under net did not set; 3 out of 4 under net did set.─ (
|
| 62% |
CUL-DAR111.A6-A11
Note:
1863.03.31--1863.05.15
Viola canina true under net 8 flowers not touched black thread
Text
Image
─ commonest) never once again see Bee or Fly sucking ─ Possibly moths may.─ April 14. Pollen of true V. canina 13-14/7000 with middle eye-piece [do] V. hirsuta 10-11/7000 do Stigma differs in both kinds Ap. 14 artificially fertilised 4 flowers (white thread) under net.─ (
|
| 62% |
CUL-DAR111.A6-A11
Note:
1863.03.31--1863.05.15
Viola canina true under net 8 flowers not touched black thread
Text
Image
(V. Hirta stigma bent at nearly ∟' all anthers have pollen, saw tubes [sketch] emitted from each grain within anther now consisting of empty husks ─ about 9-10/7000 in length.─ Except in shortness of pistil not much difference from in perfect flowers; in latter, however, pistil narrowed in where it united to ovarium.) July 10' I carefully compared seed of those that seeded outside of net those artificially fertilised under net same in number; 5 pods on average 10.8 seed. ─ Nine pods from
|
| 62% |
CUL-DAR111.A6-A11
Note:
1863.03.31--1863.05.15
Viola canina true under net 8 flowers not touched black thread
Text
Image
May 14' 1863 ─ Under net by Orchard of 4 flowers of V. canina, artificially fertilised 3 have set fine pods ─ Of 10 [insertion of note in 2v] left to themselves none have set: But this is a doubt because there are very many fine pods (; yet I do not remember so many in flower) if they be not imperfect flowers, some flowers do not; but I believe they must be produce of imperfect flower; if so these are produced very early.─ Of ten flowers outside net close by, left by themselves 4 have produced
|
| 62% |
CUL-DAR111.A6-A11
Note:
1863.03.31--1863.05.15
Viola canina true under net 8 flowers not touched black thread
Text
Image
The Complete Work of Charles Darwin Online (1 March 31 ─ 1863 Viola canina, true under net 8 flowers, not touched; black thread. I find that three flowers three just below, some in shrubbery near Azalia bed, which were then planted have not a grain of pollen. So these useless for experiment: but then of V. Hirta near the wild plant on Green Hull have plenty of pollen: ( those in Orchard 10 Plants flowers on April 4th covered with net in Orchard V. canina have plenty of pollen marked black
|
| 59% |
CUL-DAR109.B6
Note:
1863.03.31--1863.05.20
Oxalis acetosella 8 flowers on different plants under net not touched
Text
Image
The Complete Work of Charles Darwin Online [B6] sht styled 5 white 4 Black Ap. 18th — 12 flowers in pots notunder net, marked with black thread — Count number of seed compare them in Viola.— May 14th I have made provisional inspection; 9 black thread not set. [Insertion:] N.B. there were 17 Black Threads tied on.— 7 set have produced fine pods; on plant with stick without stick.— One white thread dropped off. Count seed in Black Worsted White Thread.— May 20' Marked 8 imperfect Flower (2 on
|
| 59% |
CUL-DAR109.B6
Note:
1863.03.31--1863.05.20
Oxalis acetosella 8 flowers on different plants under net not touched
Text
Image
March 31 -1863 Oxalis acetosella 8 flowers on different plants, under net, not touched, marked with Black thread.— April 7th 2 more black thread. (Stick means long pistils) There is but a small fluctuating difference in the length of pistil.— April 11, 2 Short-styled Plants 4 flowers with pollen of own individual flower Black worsted 5 fl. with pollen of opposite form White thread 2 long-styled plants, (stick) 4 fl. with own individual pollen Black-worsted 5 fl. with pollen of opposite form
|
| 74% |
CUL-DAR76.B56-B57
Note:
1863.05.00--1863.06.00
Broom / Dichogam[y] / Flowers kept several days in water even shorter
Text
Image
flowers; but I think mere friction— a bush in much darker shade than net cd. have caused has set plenty of pods.— A heavy gale of wind by beating flowers latterly sprung some of flowers, but I may safely say do not go off if undisturbed. It is less certain that they cannot fertilise themselves.— possibly, but not probably net in some way injurious
|