Chap. VI. 



ON HETBEOSTTLED PLANTS. 



247 



Table 33. 



Fertility of the Legitimate Unions taken together, com- 

 pared with that of the Illegitimate Unions together. 

 The fertility of the Legitimate Unions, as judged by 

 both standards, is taken as 100. 



Name of Spaclei . 



Ill«gltiiDatfl Unions, 



Proportional 

 Number of 



Flowers 

 wblch pro- 

 duced 

 Capsules. 



Seeds per 

 Capsule. 



Primula veris 



P. elatior 



P. vulgaris 



P. Sinensis 



P. Sinensis (second trial) 



P. Sinensis (Hildebrand) 



P. auricula (Scott) 



P. Sikkimensis " 



P. cortusoides " 



P. involucrata " 



P. farinosa " 



Average of the nine species of Primula . . 



Hottonia palustria (H. Miiller) 



Linum grandiflorum (the difference probably I 



is much greater) J 



L. perenne 



L. perenne (Hildebrand) 



Pulmonaria officinalis (German stock, HUde- I 



brand) J 



Pulmonaria angustifolia 



Mitchella repens 



Borreria, Brazilian sp 



Polygonum fagopyrum 



Lythrum salicaria 



Oxalis Valdiviana (Hildebrand) 



O. EegnelU " 



O. speciosa " 



65 

 75 

 54 

 63 

 53 

 42 

 15 

 31 

 66 

 48 

 44 

 69 

 61 



20 

 



32 

 47 





 46 

 46 

 34 





 49 



the two sexes of dioecious plants. Nor does the calyx 

 differ, hut the corolla sometimes differs slightly in shape, 

 owing to the different position of the anthers. In Bor- 

 reria the hairs within the tube of the corolla are differ- 

 ently situated in the long-styled and short-styled forms. 

 In Pulmonaria there is a slight difference in the size of 

 the corolla, and in Pontederia in its colour. In the re- 

 18 



