AN ENUMERATION OF CULTIVATED FEBNS. 



147 



b. Indusiwn calycifoi-m. 

 72. HYPODERRIS, B. Br. 



Vernation uniserial, subsarnientose. Fronds simple, entire 

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

 compound anastomosing! Beceptacles punctiform, compital, 



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



included within a calyciform, obscure, membranous indusium. 



Bori round, irregular or oblique, biserial between theprimary veins. 



1. H. Brownii, /. Sm.; Book. Gen. Fil. t. 1; Hooh. Ganl. 



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



Brownii, Metten. — Trinidad and Guiana. 



73. TRICHIOCARPA, Hooh. 

 Vernation fasciculate, decumbent. Fronds bi-tripinnalifid, 



tieiius 73,— Portion of pinna, fertile frond, under side. No. 5. 



1,2 



