AN ENUMERATION OF CULTIVATED FERNS. 
147 
b. Indusium, calycifoim. 
72. HYPODERRIS, R. Br. 
Vernation uniserial, subsarmentose. Fronds simple, entire 
or trilobed, 1-2 feet long. Primary veins costaeform ; venules 
compound anastomosing. Receptacles punctiform, compital, 
Genus "2.— Portion of mature frond, under side. No. 1. 
included within a calyciform, obscure, membranous indusium. 
Sori round, irregular oroblique, biserial between theprimary veins. 
1. H. Brownii, J. Sm. ; Boole. Gen. Fil. t. 1; Boole. Gard. 
Ferns, t. 24; Lowe’s Ferns, 7, t. 14. Woodsia 
Brownii, Metten. — Trinidad and Guiana. 
73. TRICHIOCARPA, Boole. 
Vernation fasciculate, decumbent. Fronds bi-tripinnatifid, 
Genus 73. — Portion of pinna, fertile frond, under side. No. 1. 
L 2 
