358 48. POLTPODIUM, §§§§§§§§§ PHYMATODES. 



326. P. (Phym.) Lindbergii, Mett. ; rUzome epigseous, very wide-creeping, 

 the scales lanceolate, adpressed, bright-brown ; fr. distant, quite sessile, 6-8 in. ]., 

 1-1^ in. br,, narrowed gradually to both ends, the edge entire ; texture thinly 

 herbaceous ; colour bright-green ; both sides finely pubescent ; main mins^ 

 distinct about halfway to the edge, only the outer areolae wth free veinlets ; sori 

 round, in a single row nearer the midrib than the margin. 



Hab. Brazil, Zzndberg, 676. — Kearest the next, but the fronds quite sessile, and the 

 Bori smaller and round. 



326. P. (Phym.) persicaricefoUvm, Schrad. ; rhizome epigseous, very wide- 

 creeping, the scales linear-subulate, bright-brown ; fr. distant, 6-8 in. 1., 1-2 in. 

 br., the edge entire, the point acute, the lower part narrowed gra"dually into a 

 short stem ; tesctwre subcoriaceous ; both sides naked ; main veins distinct half- 

 way to the edge, with fine areolae between them, only the outer ones with free 

 veinlets ; sori large, oblong, oblique, forming a single row on each side nearer 

 the midrib than the edge. — Rh. Sp. 6. p. 56. Microgramme, Presl. 



Hab. West Indies to Brazil and Ecuador. 



327. P. (Phym.) normale, Don ; rhizome woody, scandent, clothed with 

 deciduous black fibrillose scales ; s*. 1-3 in. 1., stramineous ; fr. 1-2 ft. 1., 1-2 in. 

 br., entire, narrowed gradually to both ends ; texture subcoriaceous ; both sides 

 naked; no distinct main veins, but the fine veinlets slightly raised, forming 

 co_pious irregular areolae with free included veinlets ; sori large, prominent, not 

 immersed, in a row not far from the midrib. — /3, P. longifrons, Wall. ; fr. 

 2-3 ft. 1. ; sori copious, scattered irregularly. — Hk. & Gr. t. 65. Hk. Sp. 6. 

 p. 10. 



Hab. N. India (up to 6,000 ft.), Malaya, S. China, Katal, and Caffraria. — Not always 

 easy, to distinguish from the large forms of P. Imeare. 



328. P. (Phym.) myriocarpum, Mett. ; rhizome firm ; st. very short ; fr. 

 2-3 ft. 1., 2-4 in. br., the apex acuminate, the base narrowed very gradually, the 

 edge entire ; textwe papyraceous ; both sides naked ; distinct costal mreolce 

 reaching two-thirds of the space to the edge, and beyond these a small distinct 

 row, including copious fine areolse with free veinlets ; sori very copious, 

 minute, scattered irregularly. — Hk. Sp. 5. p. 68. 



Hab. Philippines, Borneo, and Cochin-China. 



329. P. (Phym.) linguceforme, Mett. ; rhizome stout, short-creeping ; fr. quite 

 sessile, 8-18 in. 1., 2^-3 in. br., tongue-shaped, narrowed from the centre to 

 three-quarters of the way down, and then dilated again to the broadly-rounded 

 base, the edge entire ; texture papyraceous ; both sides naked ; veins very dis^ 

 tinctly raised, the main ones irregular, the areolae subquadrangnlar, with a 

 single distinctly immersed sorus on free or joined veinlets in the centre of 

 each. — Mett. Fil. Ind. p. 225. 



Hab. Amboyna, P. B. Webb; Solomon Isles, J. Q. Vdtch. — ^Well marked by the 

 peculiar shape of the frond and very distinct venation. 



ft Main veins distinct nearly or quite to the edge. Pleuridium, F^e, J. Sm, 

 Sp. 330-344. 



330. 



ovate-acute, 



acuminate, the edge entire, revolute, the base shortly narrowed '; texture coria- 

 ceous ; main veins distinct to the edge, with copious fine areolae with free 

 veinlets ; sori in a single row near the midrib. — Mett, Fil. Nov. Cal. p. 78. 



P. (Phym.) lanceola, Mett. ; rhizome wide-creeping, the scales dense, 

 cute, bright-ferruginous ; st. 1 in. 1. ; fr. 3-5 in. 1., J-| in. br., the apex 



Hab. New Caledonia, V'ieillard, 1595. 



