358 48. POLYPODIUM, §§§§§§§§§ PHYMATODES. 



825. P. (Phym.) Lindhcrgii, Mett. ; rlnzomc epigseous, very wide-creeping, 

 the scales lanceolate, adpressed, bright-brown ; fr. distant, quite sessile, 6-8 in. 1., 

 1-1^ 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 areolae wth free veinlets ; sori 

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



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

 sori smaller and round. 



826. P. (Pnym.) 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 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. — Hk. Sp. 5. p. 55. Microgramme, Presl. 



Hab. West Indies to Brazil and Ecuador. 



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

 deciduous black fibrillose scales ; st. 1-8 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. 

 2-8 ft. 1. ; sori copious, scattered irregularly. — Hk. & Gr. t. C5. Hk. Sp. 5. 

 p. 70. 



Ilab. 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. 



828. 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 areolae 

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

 row, including copious fine areolae 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|-8 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 

 ea.c\\.—Mett. Fil. hid. p. 225. 



Hab. Amboyna, P. B. Webh ; Solomon Isles, /. 0. Vciich. — Well marked by the 

 peculiar shape of the frond and very distinct venation. 



tt Mai7i veins distinct nearlj/ 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. 8-5 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, Vicillard, 1595. 



