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 1 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 if 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 f 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. d. 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 



