246 



CONCLUDING EEMAEKS 

 Table 33. 



Chap. VI 



Fertility of the Legitimate Unions taken together^ compared with 

 that of the Illegitimate Unions togetlier. llie fertility of the 

 Legitimate Unions, as judged by both standards, is taken as 100, 



Name of Spcdes, 



Illegitimate Unluna. 



Proportional 

 Number of 



Flowers 

 which pro- 

 duced 

 Capsules. 



Average 



Num})er of 



Seeds per 



Capsule. 



Primula veris 



P. elatioT 



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 palustris (H. Sliiller) 



Linum grandiflorum (the difference probably\ 



is much greater) . / 



L. perenne 



L. perenne (Hildebrand) 



Pulmonaria officinalis (German stock, Hilde-\ 



brand) . . . . / 



Pulmonaria angustlfolia , .... 



Mitchella repeas 



Borreria, Brazilian sp. 



Polygonum fagopyrum 



Lythrum salicaria 



Oxal is Valdiviana (Hildebrand) 



O. Kcgnelli „ . . . 



0. speciosa . . 



65 

 75 

 54 

 63 

 53 

 42 

 15 

 31 

 66 

 48 

 44 

 69 

 61 



69 



20 

 



82 

 47 





 46 

 46 

 34 





 49 



the two sexes of dicecious plants. Nor does the calyx 

 differ, but 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-sty led"and short-styled forms. 

 In Pulmonaria there is a slight difference in the size of 



