48. POLYPODIUM, PHYAfATODES. 353 



thick coat of ferruginous tomentum ; main veins distinct to the edge, connected 

 by arched veinlets ; the areolce containing 2 irregular rows of sori, with 6 to 12 

 in each. Hk. Sp. 5. p. 53. 



Hab. Bhootan, Griffith, Booth. 



296. P. (Niph.) splendens, Hk. ; fr. subsessile, 1^-3 ft. L, 3-4 in. br. r th- 

 point cuspidate, the lower part narrowed very gradually, the edge entire ; texture 

 subcoriaceous, upper surface with scattered cottony down, lower matted with 

 ferruginous tomentum and fine silky dark-brown hairs ; main veins straight to 

 the edge, connected by nearly straight veinlets ; the sori very fine and close, falling 

 short of the edge. Hk, Sp. 5. p. 52. Apalophlebia, PresL 



Hab. Philippines, Cuming, 331. 



Phymatodes, Presl (including Pleopeltis, Auct.}. Areolce fine, copious, 

 irregular, the free veinlets spreading in various directions, the sori various in position, 

 generally on the lack of united veinlets. Sp. 297-389. TAB. 48. fig. n. 



* Fronds simple. Sp. 297-344. 



t Main veins not distinct to the edge. Sp. 297-329. 



A. Substance thick, all the veins obscure. Sp. 297-318. 



A*. Under surface naked. Sp. 297-312. 



297. P. (Phym.) subecostatum, Hk. ; rhizome creeping, matted with tomentum, 

 the scales brown, fibrillose, squarrose ; fr. sessile, 4-8 in. 1., \ in. br., narrowed 

 gradually to both ends, the edge entire ; texture thick, coriaceous ; colour pale- 

 green ; both sides naked ; no main veins, areolse obscure ; sori in single marginal 

 rows. Hk. Sp. 5. p. 59. t. 273. A. 



Hab. Borneo, Lobb. Midrib upwards indistinct, and distinguished from all its allies 

 by quite sessile fronds. 



298. P. (Phym.) accedens, Blume ; rhizome threadlike, very wide-creeping, 

 scarcely scaly ; st. very short ; fr. dimorphous, the sterile ones oblong, obtuse, 

 the fertile ones longer and narrower, 2-4 in. L, J-^ in. br., the soriferous portion 

 contracted ; texture coriaceous ; both sides naked ; veins hidden, no distinct main 

 veins, areolse irregular, with free veinlets ; sori in single rows close to the midrib. 

 Hk. Sp. 5. p. 66. 



Hab. Philippines, Malaya and Polynesian Islands. Characterized by the sori being 

 confined to the narrowed upper fertile part of the frond. 



299. P. (Phym.) rostratum, Hk. ; rhizome filiform, wide-creeping, the scales 

 small, fibrillose ; st. 1-2 in. 1., firm, naked ; fr. 2-4 in. 1., \-\ in. br., narrowed 

 gradually to both ends, the edge entire ; texture coriaceous ; both sides naked ; 

 veins immersed, no distinct main veins, areolse fine, copious, with free veinlets ; 

 sori large, in single rows not far from the midrib. /ft. Sp. 5. p. 66. 2nd 

 Cent. t. 53. 



Hab. Khasia, Bhootan, and Mishmee ; gathered by Griffith and Drs. Hooker and 

 Thomson. 



300. P. (Phym.) geminatum, Schrad. ; rhizome stout, very wide-creeping, the 

 young scales linear, ferruginous ;fr. subsessile, usually in distant pairs, uniform, 

 entire, 3-6 in. ]., f-1 in. br., narrowed towards both ends, but the point often 

 blunt ; texture coriaceous ; both sides naked ; veins immersed, the main ones with 

 copious fine areolae between them ; sori in a row midway between the midrib and 



2 Y 



