FERNS OF THE MALAY- ASIATIC REGION. 
57 
87. Cyathea brunoniana (Wall.) Clarke & Baker. 
A large tree; main rachis prickly; secondary rachises slightly prickly 
or smooth and glabrous ; costa sparsely and deciduously crisped-pubeseent 
beneath, naked or nearly so above; segments minutely hairy on the 
veinlets, the fertile ones not contracted, 15 to 18 mm long, 3 mm wide, 
entire, obtuse, coriaceous, glabrous, somewhat glaucous beneath; veinlets 
about 13 on a side, forked, nearly all fertile; sori costular; indusium 
at first globose and complete, soon breaking down to an irregular cup. 
Northern India. 
88. Cyathea decipiens (Scott) Clarke & Baker. 
Trunk 15 m high; stipes spiny, mahogany-brown and scaly at the base, 
pale-brown and furfuraceous upward ; rachises very prickly ; pinnae sessile, 
ample, acuminate; pinnules 10 to 12.5 cm long, 2 cm wide, sessile, 
acuminate, cut nearly or quite to the costa, costae and costules bearing 
bullate scales; segments not close, 2 mm wide, acute, subfalcate, serrate, 
subcoriaceous, dark-green above, gray-green beneath but not glaucous; 
veinlets 10 to 12 on a side, two to four times forked; sori costular, small; 
indusium at first complete and spherical, fragile. Specimens in cultiva- 
tion have been mistaken for C. spinulosa, and Beddome implies that he 
can distinguish them only by the indusium. 
Northern India, alt. 600 m. 
89. Cyathea spinulosa Wall. 
A tall tree-fern; stipe and rachis purple, very spiny beneath, rachises 
rusty above ; frond 3 m long ; pinnte stalked, abruptly acuminate ; pinnules 
subsessile, 8 cm long, acuminate, cut almost to the costa; costa hairy 
above, beneath bearing small bullate scales, as do the costules, which 
are glabrous above ; segments close, acute, subfalcate, serrulate, the 
lamina glabrous, thin; veinlets 8 to 10 on a side, forked; sori costular, 
small, numerous, but not reaching the ends of the segments; indusia at 
first complete, breaking into large pieces, .finally disappearing. 
India (altitude up to 1,000 m), to Malaya and Japan. 
90. Cyathea mearnsii Copel. in Philip. Journ. Sci. Bot. 3 (1908) 356. 
Trunk 5 cm thick, thinly clothed at the top with black roots ; bases of 
stipes bearing thin, graj^-brown, narrow scales 15 mm long; rachis 1 cm 
thick, tawny, everywhere glabrous, unarmed; pinna3 up to 60 cm long, 25 
cm wide, sessile, their rachises smooth beneath, above clothed, like the 
costae, with a dark, close pubescence; pinnules sessile, very acuminate, 
horizontal, up to 29 mm wide at the base, cut at the base to the costa, else- 
where to a narrow wing, costa reddish beneath, bearing some fine furfura- 
ceous scales; segments falcate-acute, serrate, 3 to 4 mm wide, glabrous 
except for occasional squamules on the costules beneath pale beneath and 
