RECORD: Darwin, C. R. n.d. Table 100 / Crossed by fresh stock (table of comparative heights). CUL-DAR77.115-116. (John van Wyhe ed., 2002-. The Complete Work of Charles Darwin Online, http://darwin-online.org.uk/)

REVISION HISTORY: Text prepared and edited by John van Wyhe. RN1

NOTE: See record in the Darwin Online manuscript catalogue, enter its Identifier here. Reproduced with permission of the Syndics of Cambridge University Library and William Huxley Darwin.  The volumes CUL-DAR 76-79 contain material for Darwin's book Cross and self fertilisation (1876).


115

Table 100.    Crossed by fresh stock    Fresh Stock

No of crossed plants by fresh stock                average Height of plants crossed by fresh stock weight of finest    inches

No' of plants not crossed by fresh stock        average height of do    inches

The crossed plants take as 100

Ipomaea purpurea       (offspring of plants intercrossed for nine generations crossed by a fresh stock) & again intercrossed, & from the same plants of the 4th Gen. in height

19              83.37 84.03                 19              65.31 78    as 100 to  78

؟ ― ―

― ― (in Spontaneous fertility,) by weight of pods                                                                                 ― ― 51

Mimulus luteus.— offspring Plants of the 8th Self-fert generation crossed by fresh stock, & the same again self-fert. producing plants of the 9th gen Here is great omission    put in which intercrossed at height of fertility                 28                   21.62         19              10.44         ― ― 52   

؟ ― ―

do    do    do (in spontaneous fertility) [illeg]                                                                                           ― ―  3

☞ (P)

                                                                                         

Brassica oleracea.        Self-fert plant of the 2d gen. crossed by a fresh stock, & again self-fert — producing plants of the 3d. self-fert gen,— by weight of whole finest plants on each side of each pot               6                108oz. 16 6                   23oz. 7      ― ― 22

✔ Iberis umbellata.

Self-ferts plants of 1 from a cross with a slight different var. & self-fertilised   30              17.34          29                   15.31         ― ― 89

― ―            do. do.    do do (in fertility                                                                                ― ― 75

Escholtzia Eschscholtzia californica,              Brazilian intercrossed stock of the first generation crossed by English stock, & Brazilian stock  self-fertilised forming the 2d. gen.             19              45.92          18             50.3           ― ― 109

✔ This is all crossing of self ― ―                 do. do. do. by weights of whole plants

                  18oz.25                       21oz.5       ― ― 118

― ―         do. do. do, in fertility                                                                                           ― ― 40

                  do. do. do in fertility, as compared with the intercrossed Brazilian stock           do                                18                                     ― ― 45

Dianthus caryophyllus, plants offspring from self-fert of the 3d gen. cross by fresh stock, compared with self-fert plants of the 4th generation

16              32.82         10              26.55         ― ― 81   

                                                                                          ― ―

                  do do. do, by fertility, spontaneously self-fert both naturally fertilised by bees.                                                                                          ― ― 33

― ―         plants offspring from self-fert of the 3d gen. crossed by fresh stock compared with plants from the same   self-fert crossed by one of the intercrossed of the same stock in height

16              32.82         15              28.             ― ― 85

                  do.    do do    by fertility, both spontaneously naturally fertilised by bees.                                                                                 ― ― 45

(Pisum sativum            offspring from a cross between two varieties                                                                                           ― ― 75

Lathyrus odoratus       do    do    do    do                                                                               ― ― 60)                    

Petunia violacea, plants from self-fert. plants of 4th gen. crossed by fresh stock to self-fert. of the 4th gen again self-fert, producing plants of the 5th [illeg] gen. in pots

21              50.05         21              33.23         ― ― 66                                       

do.    do. so by weight of whole plants                            32 oz                           7.25 oz      ― ― 23                     

extension piece pasted                                                                                                                                               

― ―         do crossed by fresh stock to the intercrossed ie crossed again crossed in height

21              50.05         22              54.11

― ― 108                   

✔ Omit ?? in publishing

do    do    do    in weight of whole plants                         32 oz                           32.48oz

― ― 101

                 

― ― ( Plants from same 2 lots of seed i. e crossed grown out of doors ) Tallest plants in row in height                 10                   36.67         10              23.31         ― ― 63                                       

do    do . do in weight of whole plants                             28 oz                           14.75         ― ―  33                    

― ―         In fertility by weight of capsules produced by the plants grown out of doors, of the plant (illegible phrase) Crossed by fresh stock to the self-fert                                   10 11 oz

                  5.07 oz

― ― 46                     

                  do    do    do to the intercrossed                     10 oz

                  5.26

― ― 54                     

                                    148                              133

                                                     

115v

Offspring of plants crossed by fresh stock compare with self-fert plants of 1' or succeeding generations    in height, weight of whole plants & fertility — In right hand— column the crosses are taken as 100 & relative value given of self-fertilised

 

I had better give height & weight & not fertility

(Read over numbers)

 

115vv

 

115vv

(P) (Mimulus luteus)

― ―         Plants Offspring of the 8th self-fertilised gen. crossed by a fresh stock, compared with  the offspring of the 8th self-fert. gen, once intercrossed. }      28              21.62         27              12.2           ― ― 56

― ―         do. do. do in spontaneous fertility                                                                                          ― ― 46

116

Fresh Stock

Same Headings as Before

 

Nicotiana tabacum,     Self-fert plants of the 3d gen. crossed by fresh stock slightly different variety & again self-fert, producing self-fert plants of the 4th gen. in height grown in pots               26              63.29         26                   41.67         as 100 to 66

― ―         do.    do. do grown much crowded in two large pots      12              31.53         12              17.21         ― ― 54

do.    do by weight of whole plants                                  21.25 oz                      7.83 oz      ― ― 37

― ―         do do grown in open ground & not exposed to competition in height                20              48.74         20                   35.2           ― ― 72

✔ ― ―

do do by weight of whole plants                    195.75 oz                    123.25 oz ― ― 63

Anagallis collina          red var. crossed by blue var, & red self-fertilised             3                27. 62        3                18. 21              ― ― 66

                   do do in fertility as judged by number of capsule both lots being naturally fertilised.                                                                                 ― ― 6  bottom of table

Primula veris,              illegitimate long-styled plants of the 3d gen.  legitimately crossed by pollen of a fresh stock, & again were fertilised with their own pollen self-fert, producing plants of the 4th illegitimate generation; & these in height were as

8                7.03           8                3.21           ― ― 46

― ―         do. do. do in fertility both lots naturally fertilised by number of capsules                                                                                  ― ― 5

― ―         do. do Same plants in following year    do                                                                             ― ― 3.5

Primula veris,              (equal-styled red var.) self-fertilised plants of the 2d gen.  crossed by fresh stock & again self-fert, producing plants of 3d gen, & these in height as      3                8.66           3                7.33           ― ― 85

― ―         in fertility, when a                                                                              

― ―         do. do in fertility, plants both lots being naturally fertilised as judged by number of capsules alone

                  206 pods                     32 pods

― ― 

                  do. do    do, also including number of seeds per capsule                                     501.87                         56.48

― ― 11.

                                     69 [+] 148 [=] 217 [+] 3 [=] 220                   69 [+] 133 [=] 202 [+] 3 [=] 205                    

 

Pisum sativum ought to be introduced.


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Citation: John van Wyhe, ed. 2002-. The Complete Work of Charles Darwin Online. (http://darwin-online.org.uk/)

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