422 



MR. C, DA.RWIN OX THE ITiLEGITrM.VTE OFFSPRIXGt 



SO many experiments. As the parent plant growing in Edinburgh 

 was found by Mr. Scott to be in a high degree sterile, it may have 

 transmitted the same tendency to its offspring, independently of 



Nature of plant experimented on, 



and kind of union. 



^ k 





"^ 





Purple- and yellow-flowered illegi- 

 timate long-styled plants, illegi- 

 timately fertilized by pollen from 

 the same plant 



Purple- and yellow-flowered illegi- "i 

 timate long-styled plants, illegi' 

 timately fertilized by pollen from V 

 the common long-styled prim- 

 rose ) 



Or, if the ten poorest capsules, in- \ 

 eluding less than 15 seeds, be re- ]- 

 jected, we get J 



-I- 



Purple- and yellow-flowered illegi- "^ 

 timate long-styled plants, legi- 

 timately fertilized by pollen from S- 

 the common short-styled Prim- 

 rose 



Or, if the two poorest capsules, in- 

 eluding less than 15 seeds, be re- 

 jected, we get 



The long-styled form of common^ 

 Primrose, illegitimately fertilized 

 by pollen from the long-styled V 

 illegitimate purple- and yellow- 

 flowered plants j 



Or, if the three poorest capsules be 

 rejected, we get 



The short-styled form of common^ 

 Primrose, legitimately fertilized 

 by pollen from the long-styled 

 illegitimate purple- and yellow- 

 flowered plants 





72 



72 



72 



26 



26 



20 



20 



10 



o m 



a o 



11 



39 



29 



18 



16 



14 



II 



6 





-^ O 





11-5 



31-4 



40*6 



36-4 



412 



15-4 



i8'9 



30-5 



t 



B 



a 



:3 



rrt 



en 





o3 ■ 

 © i 



o < 



la 



26 



C2 



62 



60 



60 



46 



46 



Gl 





"3 



03 



o 



5 



3 



18 



9 



15 



1 



8 



6 



their illegitimate birth. I am, however, inclined to attribute some 

 weight to the illegitimacy of their descent, both from the analogy 

 of other cases, and more especially frem the fact that when the 

 plants were legitimately fertilized by pollen of the common Prim- 

 rose they yielded an average, as may be seen in the Table, of only 

 five more seeds than when iHegitimately fertilized by the same 

 pollen. Now we know that it is eminently characteristic of the 



