290 FILICES. 



Trunk short and thick, from 2 to 4 feet high, having the base of 

 the old stipes still attached. Fronds large and rather flaccid, 

 tripinnate. The inferior pinnaB are small and distant, with the main 

 and secondary rhachis slender. The ultimate divisions small, beset 

 with white bullate scales beneath, and sparse hairs on the veins on the 

 upper side. Sori small and copious, one on each segment, near its 

 base, destitute of a scale. There are a few hairs on the somewhat 

 elevated receptacle. 



85. TRICHOPTERIS, Presl. 

 1. Tkichopteris excelsa, Presl. 



Trichopteris excelsa, Presl, Tent. Pterid. p. 59, t. 1, f. 10; Hook. Gen. Fil. t. 34. 

 Polypodium Tcenitis, Roth, ex Kaulf. Enum. Fil. p. 119. 

 P. Corcovadense, Raddi, Plant. Brasil. 1, p. 26, t. 40. 

 Alsophila Tcenitis, Hook. Spec. Fil. 1, p. 35. 



Hab. On the Corcovado, Eio Janeiro, Brazil. 



