478 PTEEIS. 



linear-lanceolate, obtuse, straight or slightly falcate, central 1-1:1 in. 1., base 

 2 lin. br., lower much reduced ; racMs clothed with subulate scales ; texture 

 riffidly subcoriaceous ; upper S2<>/ace naked, lower scaly on the midribs ; veinlets 

 bifid or simple, tumid at the tip, less divided and more spreading than infakata. 

 — Allosorus Zippellii, Miq. Ann. 3Ius. Lug. Bat. 4. p. 98. 



Hab. New Guinea, Zippelius. 



37*. P. pallida, Baker ; st. 3-4 in. I., grey-brown, with minute, squarrose, linear 

 scales, like rachises ; basal scales minute, linear, brown, with a black keel ; fr. 

 oblong-lanceolate, bipinnate, 9-10 in. 1., 2-2^ in. br. ; pintice lanceolate-deltoid, 

 short-stalked, lower distant, |-^ in. br. ; lowest rather reduced ; pinnl. 

 3-5-jugate, oblong, blunt or subacute, 2-3 lin. br., upper adnate, entire, lower 

 free, slightly bluntly lobed ; texture subcoriaceous ; surfaces pale grey-green, 

 lower thinly pilose ; veins immersed, obscure ; inv. narrow, soon hidden. 



Hab. Mexico, Consul Qlennie, 



37*. P. nitida, Baker ; st. tufted, slender, castaneous, 6-9 in. 1., with a few 

 fibrillose scales near the base; fr. 4-6 in. 1., deltoid, 2-3-pinnate ; upper ^;mwce 

 simple, lowest much largest, stalked, deltoid, produced on lower side ; 

 pinnl. few, distant, ligulate, patent, 1-2 in. 1., 1-2 lin. br., simple, or lowest 

 2-3-nate ; texture thin but firm ; surfaces grey-green, naked ; costce castaneous 

 in lower half, veinlets hidden ; inv. very narrow. — Pteris nitida, R. Br. Prod. 

 155 ? non Mett. 



Hab. Tropical Australia, Daintree, Schultz. — Combines the narrow PZrt<yZo»ia involucre 

 with general habit like less-divided forms of P. anrjustifolia. 



37*. P. depilata, Baker ; st. 3-6 in. 1., naked, castaneous ; basal scales linear 

 pale ; fr. lanceolate, 4-8 in. 1., 1^-3 in. br., tripinnatifid or tripinnate ; rachises 

 castaneous, slightly pilose ; j^innce deltoid, nearly sessile, lower distant, several 

 subec^ual ; lower jnnnl. sessile, lanceolate, blunt, deeply pinnatifid ; segm. 

 ligulate-oblong, adnate, 1-1^ lin. br. ; texture subcoriaceous ; surfaces dull- 

 green, with a few deciduous pale scale-like hairs; inv. narrow, soon hidden by 

 the sorus. 



Hab. Ovalau Viti, Darnel. — Habit of Cheilanthes suhvillosa and NotocMcena hirsuta. 



38*. P. leucomelaSy Baker ; rhizome short ; scales dense, setaceous, keeled with 

 black ; st. .3-4 in. 1., black, naked, like the rachises, the latter deeply channelled in 

 front with a winged border ; fr. deltoid, 5-6 in. ]., bipinnatifid ; pinnm short- 

 stalked, ascending, lanceolate, lowest largest, 1 in. br. ; pinnl. sessile, lower 

 5-6-jugate, blunt, upper oblong, entire, lower 3-4 lin. br., free, bluntly lobed ; 

 texture firm but thin ; surfaces pale-green, naked ; veins fine, distinct ; inv, 

 narrow, soon hidden. — Mett. Kuhn, Fil. Afr.p. 83. 



Hab. Cape Colony, Breutel, and sent lately by Rev. J. Buchanan from the Transvaal 

 territory, gathered by Mr. Todd. 



XXXI.— PTERIS. Page 158—173. 



1*. P. longula, Mett. ; rhizome short-creeping ; St. 1-5 in. I., castaneous, dis 

 tantly scaly ; fr. simple, ligulate, 1-4 in. ]., 2-4 in. br., or with 1-2 similar 

 divisions from the base, lilunt, entire, cordate ; texture very thick, rigidly 

 coriaceous ; costce castaneous at base ; veinlets hidden, simple or forked ; surfaces 

 naked, pale-green ; edge narrowly revolute ; sorus continuous from base to tip. 

 —Kuhn, Linn. 36. p. 88. P. triphylla, Baker, FL Bras. fuse. 49. />. 590. Pellfca 

 subsimplex. Fee, Fil. Bras, t. 4. fg. 3. 



Hab. Rio Janeiro, Glazlou, 3160. 



