148 



EYEBRIGHT. 



[CHAP. 



nearer to the anthers, and more likely to be fertilised 

 directly by them. 



He also observes that this flower is not perfectly 

 adapted to present circumstances, since bees are able 

 to, and often do, insert their proboscis above the 

 stamens, in which case they do not fertilise the 

 flower. 



Euphrasia officinalis (the Eyebright) (Fig. 106), 

 agrees in many respects with the preceding ; but there 



Co 



FIG. 106. Euphrasia ojfictnalis. FIG. 1=7. Flower of Euphrasia officinalis. 



is no room above the stamens for the proboscis of 

 the bee. The anthers (Fig. 107) also, which in 

 Bartsia odontites are merely locked together by hair, 

 in this species are more intimately connected, the two 

 uppermost anthers to one another, the lower anther 

 of each upper pair with the upper anther of the lower 

 stamen on the same side. The lower anther of the 

 lower stamen is produced into a strong point (Fig. 



