474 



The foremost one is relatively much larger than that of P. vulgaris 

 and P. alpina, and does not, as is the case with these species, 

 cover the anthers (Fig. 14, F—G). The isolated upper lip with 

 the genitals seen from the front shows the whole of the anthers. 



^'-^ 



Fig. 15. Pinguictda villosa. 



A—E, Different examples of deformed flowers ; st, the anthers. F, Glandular hairs from 



the upper side of the foliage-leaf. G, Transverse section of a foliage-leaf. Bosekop 



(Norway). July. (E. W.) 



and above them the stigma (Fig. 14, i^). It has been proved 

 that the subsidence of tlie foremost part of the stigma into 

 the pollen results in the germination of the pollen-grains 

 deposited thereon. On the whole, the pollen germinates very 

 readily. Warming mentions his having found it germinating 

 in different parts of the tlower, and my investigations prove 



