164 
FERNS : BRITISH AND FOREIGN. 
79. NEPHROLEPIS, Schott. 
Vernation fasciculate, erect, stoloniferous. Fronds pinnate, 
linear, 1-6 feet long; pinnae numerous, 
oblong or linear-lanceolate and falcate, 
entire, dentate or deeply crenate, upper side 
of the base auriculated, sessile, articulated 
to the rachis. Veins forked ; venules free, 
clavate, the lower exterior one fertile. Sori 
terminal, round, sub-marginal, transverse 
uniserial. Indusium reniform or nearly 
orbicular (as in figure), sometimes equal 
and conniving with the soriferous crenule, 
forming a marginal bilabiate cyst. 
1. N. pectinata, Schott ; Lowe’s Ferns, 7, 
t. 18. Aspidium pectinatum, 
Willd. Aspidium trapezoides, 
Schk. Fit. t. 29 j B. Aspidium 
Schkuhrii, Link. — Tropical 
America. 
2. N. undulata, J. Sm. ; Lowe’s Ferns, 7, 
t. 20. Aspidium undulatum, Sw. — 
West Africa. 
3. N. tuberosa, Presl; Lowe’s Ferns, 7, 
t. 25. Aspidium tuberosum, Borg. 
Genus 79— Pinna of Nephrodium edule, D. Don . — 
fertile frond, under -ri , T 
side. No. s. East Indies. 
4. 1ST. exaltata, Schott, Gen.Fil. t. 3; Hook. Gen. Fit. t. 35; 
Lowe’s Ferns, 7, 1. 19. Polypodium exaltatm, L inn. ; 
(Plum. Fit. t. 63). Aspidium exaltatum, nw. ; Schk. 
Fil. t. 32 B ; Eadd. Fil. Bras. t. 46. Eephrodium 
exaltatum, E. Br. — Tropical America. 
5. N. ensifolia, Presl; Lowe’s Ferns, 7, t. 22. Aspidium 
ensifolium, Sw. ; Schk. Fil. t. 32. Aspidium acutum, 
Sw. ; Schk. Fil. t. 31. Xephrolepis platyotis, Eunze ; 
Metten. Fil. Hort. Lips. t. 26, /. 1. — Tropical America 
and Java. 
6. N. hirsutula, Presl; Lowe’s Ferns, 7, t. 21. Aspidium 
hirsutulum, Sw. ; Sclik. Fil. t. 33. Lepidoneuron hir- 
sutulum, Fee. Aspidium pilosum, Lang, et Fisch. 
Fil. t. 16. — East Indies. 
