216 FEENS : BRITISH AND FOEEIGK. 



134. TKICHOPTERIS, Pred. 



Vernation fasciculate, erect, arborescent. Fronds bipiimate, 

 4-6 feet long, smooth, stipes articulated with the axis ; pinnse 

 distant ; pinnules lanceolate, coriaceous, articulated with the 

 rachis. Veins pinnately forked; venules free, their apices 

 clavate. Sori medial, criniferoua, oblong, laterally contiguous 



Genns 134.— Fertile piima, natural size; portion of ditto enlarged. No. 1. 



and confluent, forming a transverse row. Bec^taeles scarcely 

 elevated. Indusium absent. 



1. T. exeelsa, P^-esl. Alsophila excelsa, • Ifarf. Ic. Crypt. 

 Brag. t. 37.— Brazil. 



135. IiOPHOSOBIA, Presl 



Vernation fasciculate, erect, arborescent, densely criniferoua. 

 Fronds tripinnatifid, 3-5 feet long, glaucous beneath. Veins 



