238 Ferns of British India and Ceylon. 
11. Lastrea viscosa. {J. Sm.) Stipes 6 inches or more long, 
firm, erect, reddish-brown, slightly scaly, finely villous; fronds 9-12 
inches long, 4-5 inches broad, oblong-lanceolate, pinnae close 2-3 
inches long, the lower ones somewhat reduced and deflexed, cut 
nearly to the rachis into close spreading linear-oblong lobes 
under i line broad, textures herbaceous, colour dark green ; rachis 
villous, under surface densely glandular, veinlets 5-6 on a side, sori 
medial. Hook. Syn. Fil. p. 264. Bedd. F. B. I. t. 334. 
Malay Peninsula, at Malacca. 
(Also in the Philippines and Borneo.) 
12. Lastrea crassifolia. {Bl) Stipes tufted i^ foot long, 
channelled above slightly hirsute ; fronds deltoid ovate, firm her- 
baceous, pinnate, pinnae pinnatifid, rachis, costa and costules beneath 
hirsute, the rest glabrous, pinnae petiolate (petioles \ inch long) or 
subsessile, lower ones not reduced in size, pinnatifid nearly two-thirds 
down to the rachis, segments obtuse subfalcate subentire, basal ones 
reduced in size, costa deeply channelled above, veinlets simple, the 
lower pair free (as in Lastrea) or joining just before entering the sinus 
of the segments (as in Nephrodium) remaining ones simple (or rarely 
forked) sori one on, or a little below the centre of each vein, 
involucre reniform glabrous. Aspidium, Bl. En. Fil. Jav. 158. Hook. 
Syn. Fil. 266. Lastrea nephrodioides, Bedd. F. B. I. t. 199. 
Birma and the Malay Peninsula. I also have a specimen 
collected in Sikkim, 3,000 feet elevation, by the late Mr. Atkinson, 
which I refer here, as it exactly corresponds in venation ; the pinnae, 
however, are subsessile, and the upper basal segment (or pinnule) 
somewhat enlarged. 
(Also in the Philippines and Java,) 
13. Lastrea cana. {Baker.) Stipes densely tufted, 6-10 inches 
long, finely villous and often furnished with pellucid scales, chiefly 
towards the base; fronds 8-12 inches long, elongate lanceolate, not 
narrowed at the base, or suddenly or gradually narrowed into 
auricles on the stipe, pinnate with numerous pinnae, central ones two 
inches long by i inch broad, cut down nearly to the rachis into close 
