LINDMAN, AMERICAN SPECIES OF TRICHOMANES SM. 37 



Fig. 22. Trichomanes sphenoides Kunze (X 10). A — C a specimen from 

 Guadaloupe in Ilcrl). Casstriim (Stockholm), gathered hy Forsström, .-I fertile 

 frond and a to]) of an other. B sterile frond, C stijies and base of a frond of 

 different shape. — D -F a specimen from Brazil. Matto-Grosso, Exped. 1. 

 Regnell., n. A, 2903 * 2, D base and E top of a large sterile frond, F a young 

 frond, which jirobably is going to be sterile. 



