AN ENUMERATION OP CULTIVATED FERNS. 115 
or forked, direct, parallel, their apices combined by a transverse 
Genus 39.— Portion of the barren pinna, under side. No. I. 
marginal vein. Fertile pinnae linear or pinnatifid, convolute, 
wholly sporangiferous. 
1. O. cervina, Presl ; Hook. Fil. Exot. t. 43 ; Lowe's Ferns, 7, 
tt. 39, 40. Acrostichum cervinum, Sw . ; Plum. Fil. 
t. 154; Hook, et Girev. Ic. Fil. t. 81. 0. Corcovadensis, 
Padd. Fil. Bras. t. 14 ; Hook. Gen. Fil. t. 79 A. 
Acrostichum linearifolium, Presl. — Tropical America. 
*"* Veins angularly or compounding anastomosing. 
40. SOROMANES, Fee. 
Vernation uniserial ; sarmentum thick, scandent, squamose. 
