CATALOGUE OE EERNS. 
23 
33. FOSOIIiOPTERIS, Mschw. ; Presl. 
(Cyrtogonium, J. Sm. Gen . Fil. Campium, Presl. Heteroneu- 
ron, Fee. Bolbitis, Schott. Jenkinsia, Mo oh. Acrostichi sp., 
Auct.) 
Vernation uniserial, distant or contiguous, subfasciculate and 
decumbent. Fronds pinnate, 1-3 feet high, often bulbiferous. 
Primary reins costaeform, pinnate ; venules arcuately or angu- 
larly anastomosing, producing on their exterior sides or angles 
one or more free or anastomosing veinlets, forming unequal 
areoles. Sporangia amorphous, or sometimes in defined lines 
on the venules ( Jenkinsia ). 
1. P. £agellifera ? /. Sm. Acrostichum flagelliferum. Wall. ; 
MooJc. et Grev. Ic. Fil. t. 23. — East Indies. 
2. P» crisp ataXa^ J. Sm. Acrostichum crispatulum, Wall . — • 
East Indies. 
34. GYMNOPTEEIS; Bernh.; Presl. 
(Acrostichi sp,, Auct.) 
Vernation uniserial and sarmentose, or contiguous, subfascicu- 
late and decumbent. Fronds simple, lobed or pinnate, from 6 
inches to 2-3 feet high. Primary veins costseform ; venules 
compound anastomosing. Sporangia amorphous. 
1. G. quercifolia, Bernh.; Presl ; MooJc. Ic. PI. t. 905. Acro- 
stichum quercifolium, Retz ; Sw. ; SchJc. Fil. t. 3. — 
Ceylon. 
G. nicotiansefolia, Presl. Acrostichum nicotiansefohum, 
Sw. — West Indies. 
3. G. aliena, Presl ; MooJc. Gen. Fil. t. 85. Acrostichum alie- 
num, Sw. ; Plum. Fil. t. 10. — Tropical America. 
35. STElOSEMIAj Presl. 
(Polybotryse sp., PL Acrostichi sp., Auct.) 
Vernation fasciculate, erect. Fronds ternately pinnate ; pinnae 
