132 
PEEKS : BKITISH AND FOKEIGN. 
caespitose. Fronds simple, narrow, linear or lanceolate, 1-2 feet 
long, smooth. Veins simple, parallel, their apices combined hy 
a transverse intra-marginal vein, which is immersed in a groove, 
and becomes the receptacle, forming a linear, continuous, inter- 
marginal, naked sorus. 
1. H. scolopendrina, Presl, Tent. Pterid. t. 8, /. 21. Pteris 
scolopendrina, Bonj ; Sw. Taeniopsis scolopendrina, 
J.Sm. Gen. Fit. 1841. Tacniopteris Forbesii, Hook, et 
Bauer. Gen. Fil. t. 76 B. Vittaria Zeylanica, Fee, 
Vittar. 1. 1,/. 3. — Ceylon and Mauritius. 
2. H. lineata, J. Sm. Vittaria lineata, Sw. ; Schlc. t. 101 B ; 
J. Sm. Cat. 1857 ; Boise’ s Ferns, 2, t. 65 A. Taeniopsis 
lineata, J. Sm. Gen. Fit. 1841. — Tropical America. 
58. PTEROPSIS, Besv. 
Vernation uniserial, contiguous ; sarmentum short, caespitose. 
Fronds simple, linear, acuminate, 6-18 inches long, rigid, smooth. 
Veins uniform, reticulated, forming transverse elongated, hexa- 
gonoid areoles. Receptacles compital, elongated on the exterior, 
transverse anastomose, forming a linear, continuous, marginal 
sorus. 
Genus 58.— Portion of frond, slightly enlarged. No. 1. 
