358 48. POLYPODIUM, PHYMATODES. 



325. P. (Phym.) Lindbergii, Mett. ; rhizome epigseous, very wide-creeping-, 

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

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

 herbaceous ; colour bright-green ; both sides finely pubescent ; main veins 

 distinct about halfway to the edge, only the outer are*olse wth free veinlets ; sori 

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



Hab. Brazil, Lindberg, 576. Nearest the next, but the fronds quite sessile, and the 

 sori smaller and round. 



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

 creeping, the scales linear-subulate, bright-brown ; fr. distant, 5-8 in. 1., 1-2 in. 

 br., the edge entire, the point acute, the lower part narrowed gradually into a 

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

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

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

 the midrib than the edge. Hk. Sp. 5. p. 55. Microgramme, Presl. 



Hab. West Indies to Brazil and Ecuador. 



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

 deciduous black fibrillose scales ; st. 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 

 copious irregular areolse 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. #. & Gr. t. 65. Hk. Sp. 5. 

 p. 70. 



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

 easy to distinguish from the large forms of P. lineare. 



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 ; texture papyraceous ; both sides naked ; distinct costal areolce 

 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.) linguaeforme, 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 areolse subquadrangnlar, with a 

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

 each. Mett. FU. Ind. p. 225. 



Hab. Amboyna, P. B. Webb; Solomon Isles, /. G. Veitch. Well marked by the 

 peculiar shape of the frond and very distinct venation. 



tf Main veins distinct nearly or quite to the edge. Pleuridium, Fee, J. Sm. 

 Sp. 330-344. 



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

 ovate-acute, bright-ferruginous ; st. 1 in. 1. ; fr. 3-5 in. 1., ^-^ in. br., the apex 

 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. 



Hab. New Caledonia, Vieillard, 1595. - 



