POLYPODIUJI. 507 



ceolate acuminate, under in. 1. ; texture membranous, pellucid ; surfaces glabrous ; 

 veins distinct, forked, erecto-patent, continued to edge ; sori round, placed at base 

 of upper fork near costa ; sporangia setose. Kuhn, Linn. 36. p. 127. 



Hab. Tahiti, Vesco. 



103. P. pleiosorwn, Mett. ; st. ^-^ in., tufted, clothed with dense spreading soft 

 brown- hairs ; basal scopes dense, linear, 2 lines; fr. ligulate, narrowed from middle 

 to both ends, entire or repand, 6-8 in. 1., - in. br. ; texture subcoriaceous ; both 

 sides and edge thinly pilose ; veins fine, immersed, pinnate, casually anastomosing ; 

 sori minute, round, scattered, copious. Kuhn, Linn. 36. p. 128. P. multiflorum, 

 Soland. MSS. 



Hab. Tahiti, Nelson, Collie; Ulaitea, Sir J. Banlas. Easily known from all the other 

 small simple-fronded species by its copious scattered sori. 



106*. P. pygmceum, Buching. ; fr. dense, narrow, ligulate, ^-| in. 1., blunt, 

 narrowed to a subsessile base ; texture membranous ; surfaces glabrous ; veins 

 simple, erecto-patent, with a thickened tip scarcely reaching beyond the sorus ; 

 sori elliptical, dorsal, close to midrib, not mixed with paraphyses. Mett. Kuhn, 

 Fil. Afr. p. 152. 



Hab. Bourbon. 



108*. P. nanum, Vieill. ; fr. densely tufted, sessile, ligulate, blunt, l-l in. 1., 

 I in. br. ; texture rigidly coriaceous ; surfaces dull-green, both thickly clothed 

 with minute brown hairs ; veins distant, simple, erecto-patent, not reaching more 

 than halfway to the edge ; sori dorsal, oblong, oblique, confined to the upper half 

 of the frond near the midrib. 



Hab. New Caledonia, Vieillard, 2260. 



108*. P. diminutum, Baker ; rhizome short-creeping ; scales dense, firm, lan- 

 ceolate, dark-brown ; fr. subsessile, narrow, ligulate, blunt, 4-6 in. 1., 2-4 lin. br. 

 at middle, narrowed thence gradually to the base ; texture rigidly coriaceous, 

 thick ; surfaces naked, pale-green ; midrib below very prominent ; veins close, 

 immersed, obscure, simple, produced to the edge, much ascending ; sori oblong, 

 oblique, placed close to the midrib in the upper third of the frond, not mixed 

 with paraphyses. 



Hab. Lord Howe's Island, C. Moore. 



108*. P. mediale, Baker; scales minute, oblong-lanceolate, bluntish, mem- 

 branous, pale-brown ; st. very short, subtufted ; fr. ligulate, blunt, 1^-2 in. 1., 

 l|-2 lin. br., narrowed rather suddenly at the base; texture rigidly subcori- 

 aceous ; surfaces dull-green, with obscure short brown hairs ; veins fine, im- 

 mersed, erecto-patent, obscure ; sori oblong, oblique, reaching from top nearly 

 to the base of frond in a line nearer edge than midrib. 



Hab. Ceylon, 0. Wall. 



109*. P. Jafforianum, Mett. ; st. ^-f in. 1., tufted, densely clothed with reddish 

 hairs ; fr. ligulate, obtuse, 1-3 in. 1., 2-3 lin. br., narrowed gradually at base ; 

 texture coriaceous; surfaces clothed with firm reddish fascicled hairs ; veins 

 forked, immersed ; sori oblong, close, subcostular, apical or dorsal on upper fork 

 of veins ; sporangia armed with a conspicuous bristle. Kuhn, Linn. 36. p. 128. 



Hab. Philippines, Jagor, 835. 



119*. P. Boivini, Mett. ; rhizome short ; scales minute, reddish ; fr. ligulate, 

 short- stalked, l in. 1., l|-2 lin. br., pinnatifid nearly to rachis, with oblong blunt 

 lobes ; texture coriaceous ; surfaces glabrous ; veins forked ; sori dorsal on the 

 upper fork near base of upper lobes. Kuhn, Fil. Afr. p. 146. 



Hab. Madagascar, Boivin. 



