ORCHIDACE^ 



Plate 103: Triphora trianthophora 

 1 and 2, fruiting specimens, drawn natural 

 size, from specimens collected by Irving Hol- 

 comb, near Granby, Connecticut, in October 

 1921. 3, corm and stolons, drawn natural size, 

 4, young tubers ( X 2) showing original point 

 of attachment to a stolon, at the basal end, and 

 illustrating the development of a stolon and 

 minute tuber (lower left), and the formation of 

 a bud from which a stem is about to arise (upper 

 centre). 5, a later stage of development than 

 that shown in f . 4 ; the stolon has elongated and 

 the tuber has become enlai-ged. 6, longitudinal 

 section through the middle of the uppermost 

 tuber shown in f. 5 (semi-diagramatic). 



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