MR. C. B. CLARKE ON THE FERNS OF NORTHERN INDIA. 441 
Trichom. 34, t. 1. fig. 1. T. proliferum, Thwaites, Enum. 397. no. 3329, not of 
Blume : see G. W. Cat. Ferns Ceylon, 1. 
East Bengal; from Cachar to Chittagong, alt. 0—1500 feet, common.—Distrib. Deccan 
and Malay Peninsulas, and tropical and warm temperate regions throughout the world. 
There is no Himalayan example of this at Kew, except a scrap communicated by 
Levinge, named 7. pyxidiferum (by Beddome, correctly), and said to be from Darjeeling ; 
but this has travelled through many hands, and the original collector does not appear. 
Var. limbatum, Bedd. Ferns Brit. Ind. t. 348. Fronds up to 6-8 in. long; pinnæ 
larger and less eut than in the type. 
Khasia; alt. 6000 feet, Hk. f. & Th.—Beddome says (doubtless correctly) that this is 
T. limbatum, Wall.; but there is no example of Wallich's so named at Kew. 
5. T. RADICANS, Swartz, Fl. Ind. Or. 1736.  Frond.3-4-pinnatifid ; main rhachis 
naked, or winged sometimes to the base of the stipe; ultimate segments oblong, 
l-nerved ; lips of the involucre scarcely wider than the tube, often altogether trun- 
cate.—Hook. Sp. Fil. i. 125, with syn. ; Hook. Brit. Ferns, t. 42; Bedd. Ferns Brit. 
Ind. t. 181; Hk. & Baker, Syn. Fil. 81, not Hk. & Grev. Ic. Fil. t. 218. 7. um- 
brosum, Wall. Cat. 165. T. Kunzeanum, Hook. Sp. Fil. i. 127, t. 39 D. 
Himalaya; from Nepaul to Bhotan, alt. 2000-7000 feet, common. Khasia; alt. 2000- 
5500 feet.—Distrib. Mergui (not from the Deccan), and scattered throughout warm and 
warm-temperate regions of both hemispheres. 
Often climbing trees to the height of 10 feet ; 1-2-pinnate, with finely divided fronds, 
and then very distinct from all other Indian ferns, but varies so as to be with difficulty 
separated from 7T. pyaidiferum on the one hand, T auriculatum on the other. 
Var. anceps, sp., Wall. Cat. 166. Frond smaller; stipe often winged to the base; 
primary segments pinnatifid, or somewhat 2-pinnatifid ; lips of the involucre slightly 
broader than the tube. 
Sikkim and Khasia, frequent.—This is separated from 7. pyxidiferum, var. limbatum, 
by the lips of the involucre being much shorter, and the stipe often winged to the base. 
Maximowiez has sent exactly the same plant from Japan marked T. radicans, Sw.? 
Capt. Henderson is inclined to admit it to specific rank. 
6. T. AURICULATUM, Blume, Enum. Pl. Jav. Fil. 225. Frond 1-2-pinnatifid, scarcely 
3-pinnatifid; main rhachis more or less winged; ultimate segments ovate entire, 
with flabellate nerves, or narrowly oblong, 1-nerved ; lips of the involucre scarcely 
wider than the tube, often altogether truncate.—Hook. Sp. Fil. i.183; Hk. & Baker, 
Syn. Fil.82. 7. Belangeri, Bory, in Bélanger, Voy. Bot. t. 8. fig. 1. T. dissectum, 
J. Smith; Hook. Sp. Fil. i. 140; Bedd. Ferns Brit. Ind. t. 182. Cephalomanes 
auriculatum, v. d. Bosch, Hymen. Jav. 34, t. 25. 
Sikkim and Bhotan; alt. 2000-7000 feet, frequent. Khasia ; alt. 3000-5500 feet, 
. Common. Cachar, Æ. Z. Keemam—Distrib Malaya to Japan, Guiana, ` 
