ORCHIDACE^ 



Plate 102: Triphora trianthophora 

 1, plant in bud, natural size, drawn from a 

 specimen collected by Irving Holcomb, near 

 Granby, Connecticut, in August 1920. 2, flower 

 ( X 2) . 3, flowers, natural size from plant shown 

 in f. 1. 4, upper part of column ( X 8^), pollinia 

 removed. 5, upper part of column, viewed from 

 the side ( X 8^). 6, column, drawn to exhibit 

 semiterete base, sunken stigma below the de- 

 flexed clinandrium and anther in normal posi- 

 tion ( X 6f ). 7, labellum, lateral lobes spread 

 out. 8, labellum cut longitudinally in half, one 

 keel removed. 9, pollinia ( x 13). 10, pollen te- 

 trad highly magnified, median section, to show 

 pitted extine. 11, capsule and persistent peri- 

 anth, drawn natural size. 12, seed highly mag- 

 nified. 



[26] 



