AN ENUMEEATION OP CULTIVATED PEENS. 



147 



h. Indixsvwm calyciform. 



72. HYPODEKRIS, B. Br. 



Vernation umserial, subsarmentose. Frondes simple, entire 



or trilobed, 1—2 feet long. Frimwry veins costaeform ; venules 



compound anastomosing. Biec&gtacles punotiform, oompital, 



Genus 72. — Portion of mature frond, under side. Ko. 1. 



included within a calyciform, obscure, membranous indusium. 



Sori round, irregular or oblique, biserial between tbeprimaryveius. 



1. H. Brownil, /. 8m. ; Rook. Oen. Ml. i. 1 ; SooTe. Oa/rd. 

 Ferns, t. 24 ; Lowe's Ferns, 7, t 14. Woodsia 

 Brownii, Metten. — Trinidad and Gaiana. 



73. TBICHIOOARPA, Hooh. 

 Vernation fasciculate, decumbent. Fronds bi-tripinnatifid, 



Geuus 73. — Portion of pimia, fertile frond, under side. No. 1. 



l2 



