CHAP. I. 



PRIMULA SINENSIS. 



41 



TABLE 11. 

 Primula Sinensis (from Hildebrand). 



present species ; and this may account for the differ- 

 ence between my results and those of Hildebrand. His 

 plants were kept in a room, and perhaps were grown in 

 too small pots or under some other unfavourable condi- 

 tions, for his capsules in almost every case contained a 

 smaller number of seeds than mine, as may be seen 

 by comparing the right-hand columns in Tables 10 

 and 11.. 



The most interesting point in Hildebrand's experi- 

 ments is the difference in the effects of illegitimate 

 fertilisation with a flower's own pollen, and with that 



