478 PTEEIS. 



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

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

 rigidly subcoriaceous ; upper swr/ace naked, lower scaly on the midribs ; veinlets 

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

 — Allosorus Zippellii, Miq. Ann. Mm. Lv^. Bat. 4. p. 98. 



Hab. New Guinea, Zi/ppelius. 



37*. V. pallida. Baker ; St. 3-4 in. 1., 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. ; pinn(s lanceolate-deltoid, 

 short-stalked, lower distant, j-J 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, Oonsid Qleimie, 



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 /)«'«?!« 

 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 ; textwre thin but firm ; surfaces grey-green, naked ; eostos castaneous 

 in lower half, veinlets hidden ; inv. revy narrow. — Pteris nitida, It, Br. Prod. 

 155 ? non MeU. 



Hab. Tropical Australia, Daintree, Schultz. — Combines the narrow Platyloma involucre 

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



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

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

 castaneous, slightly pilose ; pinnw deltoid, nearly sessile, lower distant, several 

 subequal ; lovfev pinnl, 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 Jby 

 the sorus. 



Hab. Ovalau Viti, Bamel. — Habit of Gheilainthes aubvilhsa and Notodhlc&na hirmta. 



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

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

 front with a winged border ; fr. deltoid, 6-6 in. 1., bipinnatifid ; pinna short- 

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

 S-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, KuTin, FU, Afr. p. 83. 



Hab. Cape Colony, BreMel, and sent lately by Kev. J. Buchanan from the Transvaal 

 territory, gathered by Mr. Todd. 



XXXI.— PTERIS. Page 153—173. 



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

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

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

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

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

 — Kuhn, lAnn. 36. p, 88. P. triphylla, Baker, Fl. Bras.fasc, 49. p, 596. Pellsea 

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



Hab. Rio Janeiro, Olaziou, 3160. 



