114 FERNS : BRITISH AND FOREIGN. 
Veins uniform, simple or forked, direct, parallel, free. Fertile 
Genus 38. — Portions of fertile and barren fronds, natural size, and portion 
of fertile, enlarged. No. 2. 
pinnae plane, often broad, sporangiferous on the under side; 
margin membranous, narrow, subindusiform. 
1. L. sorbifolia, Fee. Acrostichum sorbifolium, Linn. ; (Plum. 
Fil. 1. 117). Stenochlaena sorbifolia, J. Sm. Gen. Fil. — 
West Indies. 
2. L. longifolia, J. Sm. Lomaria longifolia, Kaulf. Lowe's 
New Ferns, t. 37. Acrostichum Yapurense, Hook. 
Gard. Ferns, t. 57. Acrostichum phlebodes, Kunze ; 
Hook. Sp. Fil. 5, 'p. 24, sub Acrostichum sorbifolium. — 
West Indies and Tropical America. 
3. L. heteromorpha, J. Sm. Stenochlaena heteromorpna, 
J. Sm. Gen. Fil. 1841. Lomaria filiformis, A. Cunn. 
Hook. Sp. Fil. 3, t. 149. Lomaria propinqua, 
A. Cunn. — Xew Zealand. 
** Veins combined at the margin. 
39. OLFERSIA, Badd. ; Presl. 
Vernation uniserial, contiguous ; sarmentum scandent, squa- 
mose. Fronds pinnate, 1-3 feet long. Veins uniform, simple 
