246 TEENS : BRITISH AND FOREIGN. 



134. TBICHOPTEBIS, Presl 



Vernation fasciculate, erect, arborescent. Fronds bipinnate, 

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

 distant ; pinnules lanceolate, coriaceous, articulated with the 

 rachis. Veins pinnately forked; venules free, their apices 

 clavate. Sori medial, criniferous, oblong, laterally contiguous 



Genus 134. Fertile pinna, natural size; portion of ditto enlarged. No. 1. 



and confluent, forming a transverse row. Receptacles scarcely 

 elevated. Indusium absent. 



1. T. excelsa, Presl. Alsophila excelsa, Mart. Ic. 

 Bras. i. 37. Brazil. 



135. LOPHOSORIA, Presl. 



Vernation fasciculate, erect, arborescent, densely criniferous. 

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



