LINDMAN, AMERICAN SPECIES OF TRICHOMANES SM. 



13 



lobed fronds, nearly sessile and lying down expanded upon 

 the substrate. 



However, like all the following species, this has poly- 

 morphous fronds, the shape being either more orbicular with 

 reniform base, or more elliptical or obovate with cuneate base, 

 fig. 1, B and C. 



I am here speaking especially of those samples in Herb. 

 Swartz at Stockholm, which I consider are the authentic 



Fif:;. 1. Trichnmanes hymenoides Hcrhv. (s_vii. Tr. muscoirlcs Sw.), A a frond 

 from the ()rif;:iiial si)e(imen in Herb. Swartz, Stockholm (X 4); B fronds of 

 various* shape (natural size) from South Paraguay. Pirapo. Exjjed. 1. Regnell. 

 n. A. Iö03: C a frond from South Brazil. Rio Grande do Sul, near Porto 

 Alegre. Exped. 1. Reg;nell. n. A. 397 (X4). 



r>Tr. miiscoides» Sw., and of the species, therefore, to which 

 Swartz has quoted »Tr. hymenoides Hedwige. Herb. Swartz 

 possesses many specimens of this plant, l)ut it must be ack- 

 nowledged, that Swartz has confounded several species: he 

 has written »muscoides» even on a page with Tr. Kraiissii 

 Hook, et Grev., and on a specimen of Tr. sphenoides Kze; other 

 samples of his muscoides are labelled »reptans Sw.», yet not 

 by his own hand, but probably by some change of the loose 



