AN ENUMERATION OF CULTIVATED FEKNS. 



147 



"b. Indusium calyciform. 

 72. HYPODERRIS, E. Br. 



Vernation nniserial, subsarmentose. Fronds simple, entire 

 or trilobed, 1-2 feet long. Primary veins costaeform ; venules 

 compound anastomosing. Receptacles punctiform, compital, 



V 



Genus 72. Portion of mature frond, under side. No. 1. 



included within a calyciform, obscure, membranous indusium. 



Sori round, irregular or oblique, biserial bet ween the primary veins. 



1. H. Brownii, J. Sin. ; Hook. Gen. Fit. t. 1 ; Hook. Gard. 

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

 Brownii, Metten. Trinidad and Guiana. 



73. TRICHIOCARPA, Hook. 

 V&rnation fasciculate, decumbent. Fronds bi-tripinnatifid, 



Genus 73. Portion of pinna, fertile frond, under side. No. 1. 

 L2 



