V. 



BORAGE. 



129 



the tube, and divides at the end into two short 

 branches, with terminal stigmas. In this species, 

 therefo)re, cross-fertihsation is favoured ; firstly, by 

 the fact that the stamens ripen before the stigmas ; 

 and, secondly, by the relative position of the two, the 

 stigmas, as we have seen in so many other cases, 

 projecting somewhat beyond the stamens. Under 

 these circumstances cross-fertilisation is so thoroughly 



^ 



Fig. g^.—Borngo oj^iclnatu. 



secured, that the plant is said to have lost the 

 power of fertilising itself Miiller observed no less 

 than 67 species of insects on the flowers of this 

 plant : some of which {Osmia adunca and O. ccemen- 

 tarid) seem to confine themselves to it. 



In the Borage {Borago officinalis, Fig. 95) we find 

 an arrangement of the stamens and pistils very 



K 



