47

(1

April 10th. Beans sensitiveness of Radicles tips of

7° .45' to 8° a.m. — Kept cool— Radicles short

(a) 10' 4° 40' not bent tinfoil & gum) (11th 7. 45 am not bent tin-foil slipped down (11th 8° a.m sand-card & gum fresh.) : 4°. 40' very slightly curved from card) (12th 8° 30' tip at right angle 5° P.m tip Hooked.) 14th 8° forming a circle

(1)

(b) 7°. 45' a.m Ap. 10th sand-card gum viz— shell-lac 4° 40' not bent) 11' 7°. 45' a.m not bent long card (2) does not touch apex, 8° a.m sand-paper & gum. fresh. 4° 45 Pm straight— fixed small square but with shell-lac) (12' 8° 30 slightly curved from card. 5° Pm. do.) (14th 8° a. alms straight)

(c) 11th 8° a.m. sand-paper & gum for first time 4° 45 bent from card) 12th. 8°. 30' do (3) card fallen off. fixed fresh with shell-lac in same position, 5° Pm. curved at nearly 45° from vertical to one side. (14th 8° a.m curved from bean & card about 30-35

(d) 10' 4° 40' P.m Sand-paper small oblong & gum) 11' 7°. 45am. bent at right angle— (12th, 8° 30 now 4 bent down & wonderfully contorted 5° P.m doubled on itself) (14th 8 coiled into Helix

(e) Ap— 10th 7° 45' sand-paper small square, thick gum 4° 40 bent) 5 11th 7' 45 a m bent greatly & obliquely from bean) 12th. 8° 30' greatly bent down 5° P.m. do 14th 8°. at 45° from bean & card

(f) Ap. 10' 7° 45 sand-paper very small square & gum 4° 40' considerably bent 6 (11th 7° 45' a.m bent directly from bean, greatly bent 4° 45) 12' 8° 40' a.m greatly bent fixed fresh bit with shell-lac. 5° Pm do— 13th 7° 45' now bent to card (14th 8° 45° directly from bean)

over

47v

(g) Ap. 10. 7°. 45. splinter of glass — shell lac. 4° 40' slightly bent (7) 11' 7° 45 long splinter not touching apex. Not bent, removed & 8° 45 put on sand-paper & gum. 4° 45 slightly curved from card) 12th 8° 40' somewhat curved tip beyond card, refixed with shell-lac, 5° very considerably curved— tip. grown beyond refixed of (14th 8 tip bent to card.)

(h) Ap. 10' 7° 45 bit of quill. shell.-lac 4° 40' not bent (8) (11th 7° 45' bent from bean., moderately quill hardy touches apex when front on bit of card. & sand-paper & gum at 8° 45'— 4° 45 curved from card 5° P slightly 14th 8° tip bent to card)

(k) Ap. 10' 7° 45' card sand-paper shell-lac. 4° 40' bent) (9) (11th 7° 45' a.m moderately bent, 4°. 45. card dropped off— put on again with shell lac (12th. 8° 45, slightly curved from card.— 5° P.m. do refixd card shell-lac. (14th 8° tip bent at rt angle front card

(l) 10th 4° 40 P.m sand-paper gum) 11th 7° 45 a.m bent at almost right angles 4°. 45 tip bent) 12' 8°. 45' greatly bent almost right angle, refixd with shell-lac 5° Pm. greatly bowed. (14th 8° a.m bent at right angle to card

4° 40' Temp of water at bottom of vessels such as contained Beans. 56°F

— on chimney Piece 68-°9F

7° 30' P.m —— 71°

48

(2

 Sensitiveness of radicles of Bean 

21) Ap. 11th 8° 20' a.m sand-paper & gum 4°. 50' hardy curved from card & curvature in direction of Sachs curvature, fastened fresh bit on laterally) 12'. 8° m. greatly curved from card, almost right angle) 14th 8° a.m straight about 45 from card 0

(22) Ap. 11. 8° 20' a.m sand-paper & gum, 5° curved from card 11 12th 8° am greatly curved from card, almost right-angle— (13th 8° 10' curled into a loop. (14th 8 coiled into Helix

23) Ap. 11. 8 20' a.m sand-paper & gum, 5° curved slightly & very obliquely 12 in line of Sach's curvature) 12th 8° m more curved in Sachs line (14th Coiled into circle

(24) Ap. 11' 8° 20' a.m sand-paper & gum. 5° curved from card 13 12th 8° a.m not curved, tip beyond card; fixed fresh sand-paper with shell-lac laterally 5° P.m curved laterally & in line of Sachs curvature 14th bent considerably upwards but grown far in direction of Sachs curvature

Gum keeps of course quite damp & as Bean radicles depend pressure must be infinity infinitely little

49

(4

Friday April 12'

(15) 7° 35' a.m sand-paper & shell lac. 4° 50' very slightly curved 13th 8° a m now curved to card. refixed laterally 5° P.m distinctly curved from card) (14th 8° tip (19) bent at rt angles

 5 + 5 = 10  (-) 45 (=) 9. 15'

(16) 7° 35' a.m sand-paper & shell lac 4. 50 curved at rt angle, 13th 8° a.m much (20) less curved (14th. 8° a.m whole radicle about 23° laterally from bean

(17) 7° 35 a.m sand-paper & shell lac 4° 50' Pm — thin paper tin-foil & shell lac.— very small square (13th 8° a. not curved, put on sand-paper & shell-lac (21) 5° P.m curved at right angles from card) 14th 8° a.m about 40° from card

(18) 7° 35 a.m sand paper & shell lac. 4° 50' considerably curved laterally (13th do moderately (22) curved refixed bit of sand-paper in same position) (14th 8° almost 40° laterally from card

(19) 7° 35 am sand paper & shell lac. 4° 50 curved at right angle very small square (23) 13th 7° 50' a.m much less than right angles (14th 8° a.m almost straight

(20) 7° 35 a.m sand paper & shell lac. 4° 40 curved at rt angles (13th. 7° 50' quite straight— refixed bit laterally 5° P.m a little curved from card (14th 8° tip considerably curved 15°-20' from card (24) —(there are 3 others )on separate paper.

27 (+) 12 (=) 39

(This paper proves that root whilst young get accustomed to stimulus & will straight itself — like climbing Plant with weight— slight—)

50-51

(27) not gum April 13 5° P.m shell-lac alone on no card one side (14th. 8° am & 4° 40' P.m no effect) 15'. 8° 30 a.m no effect

Thin Paper    ? ??

(28) Ap. 12' 5° P.m fixed bit of thin paper with shell-lac. On young radicle (13th. 8° 15', not curved or only very slightly, refixed bit of same paper laterally; 5° P.m slightly curved from. paper (14th. 8° am considerably curved to one side, that on (17) which paper fixed, but then tip has not gone down vertically, but is only a little less than horizontal, so paper has acted.

(no number) but include in my calculation Bean had laid flat & then placed perpendicular so that tip grew straight down with upper part curved, & card was then (18) fixed there & bean radicle grew from card— basal part retaining original curvature (sketches)

52

(5

Bean

(29) April 13th 4° 40' P.m shell-lac thick by itself on laterally & opposed to Sachs curvature.— This & next bean had radicle grown out laterally from bud lain on surface, but they had become almost vertical downwards, & the position of shell-lac wd counteract any more tendency to become perpendicular) (14th 8° 30' certainly bent from cap of shell-lac considerably, but cap thick & quite rigid.)

(25)

Gum & Shell-lac by itself

(30) same as (29). (14th 8° 30 a.m perhaps slightly bowed from cap thick & rigid.

(28A) Ap 13' 5° Pm. thick gum) (14' 8° 30' second bowed to gum, put on more on same side: 4° 40' still a little curved to this same side, but less 15' 8° 30— still in same position, I do not believe any effect

28. B Ap. 14 8° 30' thick gum: 4° 40' no effect 15' 8° 30 certainly no effect

28 C. Ap 14' 8° 30 thick gum (mere shell lac. had been on before with no effect) 4° 40 no effect 15 8° 30 terminal portion a little bowed upwards & from Sachs curvature, but, hardy at all bowed from side on which gum was placed

53

6

   April 14. 8° 50'  Bean     Rubbing

(31.) (32) 36— rubbed latterly with thin stick for 15" tip on side where black dot 4° 30' no effect— (15th. 8° 45' no effect.)

17th 8° a.m— merely Sachs curvature— (These may be counted as nothing done to & essentially straight)

Gypsum, rubbing,

53v

(31 & (32)

(35) nothing done to & straight

(38 & 40) I believe nothing done to & yet slightly sinuous

54

(30) Ap 14. 11° Gypsum on one side —(15' 8° 45'— no effect)

(34) Ap 14. 11° Gypsum on one side over whole tip 4° 35' no effect (15' 8° 45' no effect 16th 8° am more curved towards gypsum but this covers whole tip, but radicle bend towards side most covered,) 17th 8° a.m. slightly sinuous, but bowed at tip to gypsum

(39) Ap. 14. 11° Gypsum on one side over whole tip 4° 35' no effect (15' 8° 40' no effect) (16th 8°. am tip bent, but towards gypsum, almost covers tip— 17th 8° a.. somewhat tortuous like corkscrew

(over)

55

Bean

(41) Ap. 14 5° Pm rubbed on side of black dot for 30"— 15'th 8° 30 no effect

Rubbing

(42) Ap 14' 5° Pm rubbed on side of black dot for 30" 15th 8. 30' no effect

56

(43) Ap 14' 5° P.m gypsum 15' 8° 30' am no effect

(45) Ap 14 5° P.m gypsum 15. 8° 35 whole radicle, but not tip alone curved curved away from gypsum, & as it was put on whilst radicle very young probably did produce some effect

(text erased) young radicle (text erased) cap (text erased) gypsum (text erased)

Gypsum

[57-59]

(Ap 15th 10°. 30 pressed a slip of glass against a descending radicle but it often moved away However (To test Sachs) 16th 4° 30' P.m decidedly curved with upper part over glass—) made a thin bit of glass press again higher up.

Beans radicles

Sensitiveness of radicle, not tip.

(Ap. 16th 5° P.m. I find 2 of the radicals with caps of Gypsum, oddly contorted, though of course there has been no resistance to growth.

Thrown away)

(Ap 18th 9°. 5' a.m .fresh bean with short radicle with thin slip of glass pressing on it spot marked with black dot.

Ap 19' 8° a.m certainly bent a little over glass)

This refers to pressure below apex

Slip of glass

X

about 2 or 3 cases with cards or Paper moved

60

Beans Radicle

Caps over whole tips of Plaster of Paris put on April 17th 9°. am

(51) Ap 18 8° 15 no effect suspended in water . In all cases bean itself out of water 19th 8' am not affected

(53) Ap 18th 8° 15 — bent laterally slightly tortuous (suspended now in water) 19' 8' a.m bent laterally & a little tortuous

(55) Ap 18' 8° 15 greatly bent over to one side & opposed to Sachs curvature (Ap 19' 8° a.m, bent slightly from Sachs & slightly tortuous

(56) Ap 18' 8° 15' bent to one side & opposed to Sachs curvature 19th 8° a.m bent greatly to one side & from Sachs

(65) Ap 18° 8° 15' a.m slightly tortuous, suspended in water Ap 19' 8° am Hooked & slightly tortuous

2 rad

Altogether these 5 bean compared with 5 others to which nothing had been done, a little more distorted, but no striking difference

over

60v

Ap 18' 8° 15

(2 radicle to which nothing done to bent a little laterally & one from Sachs' curvature & one straight slightly curved to Sachs curvature

Ap 19' 8° The above 3 described

  (49) straight with a little of Sachs

  (54) straight, but a little to one side & with Sachs curvature

  5(7) straight, but bent considerably to one side & no Sachs curvature

Gypsum