212 
Ferns of British India and Ceylon. 
with a terminal rooting bud ; fronds 1-2 feei long, 6-9 inches broad, 
pinnate; pinnae petioled, numerous, . narrow lanceolate acuminate, 
from subentire to deeply lobed ; texture coriaceous ; primary veins 
from the midrib of the pinnae repeatedly dichotomous at an acute 
angle into nearly equally strong veins, not anastomosing usually till 
near the margin, many of them free to the margin ; sori rather large 
and in two rows half-way between the rachis and the margin, or much 
smaller and scattered. Wall. Cat. -^^i. Hook. Syn. Fil. 2^"]. Bedd. 
F. B. I. t. 45. Clarke, F. N. /./. 512. 
Himalayas; from Nepal to Bhotan, 4,000-7,000 feet; Khasya, 
3,000-5,000 feet elevation. 
GENUS LI.- ASPIDIUM. {Swartz) 
{Aspidos., the indusium being like a shield.) 
Indusium orbicular or reniform, or sometimes irregular and 
abnormal, being linear and curved, or sometimes absent ; veins 
compoundly anastomosing with generally free veinlets in the areoles, 
receptacles compital or often at the apex of the free veinlets ; fronds 
very various, from simple to tripinnatifid, often membranaceous and 
flaccid. 
T. AspiDiUM siNGAPORiANUM. {WalHcJi.) Rhizome Creeping ; 
stipes subtufted, those of the fertile fronds 6-12 inches long, fronds 
T 2 inches or more, 2-4 inches broad, oblong entire, acuminate at the 
apex, narrowed rather suddenly and then decurrent gradually at the 
base ; texture herbaceous ; primary veins distinct nearly to the edge, 
united by transverse arched ones, the areoles of which enclose netted 
veinlets, the ultimate ones free ; sori numerous, close, 4-6 in a 
line between the main veins ; indusium peltate orbicular. Nephro- 
dium (Baker), Hook. Syn. Fil. 296. Bedd. F. B. I. t. 168. 
Singapore and the Malay Peninsula. 
(Also in the Malay Islands.) 
2. AspiDiUM VASTUM. {BIw7ie.) Rhizome creeping, stipes 
scattered, narrowly winged often nearly or quite to the base, fur- 
nished with numerous linear subulate brown persistent scales ; fronds 
