roLYroj>iUM. 500 



150*. P. albidnlnm, Baker; caucl. short, erect; basal scales linear-subulate, 

 bright-brown ; st. slender, firm, grej', naked, 1^-2 in. ; fr. pendulous, lanceolate, 

 4-y in. 1., 6-12 lin. br., cut down to raehis into adnata ligulate subacute /jmwcb 

 1-1^ lin. br., the lower lax and gradually reduced ; texture subcoriaceous ; lower 

 side densely white-pruinose ; veins immersed, 10-12-jugate, rarely forked, not 

 reaching the edge ; sori round, superficial^ submarginal. — Fil. Bras. p. 508. 



Ilab. Eio Janeiro, Glaziou, 3 "79. 



157*. P. hirsutuliwi. Foe ; caHf?. short, erect; scales minute, linear, brown ; 

 St. |-1| in. ]., firm, grey, clothed with minute sjjreading brown hairs ; //•. pen- 

 dulous, lanceolate, 3-G in. 1., 0-12 lin. br., cut down to raehis into adnata 

 lanceolate blunt pinncu l|-2 lin. br., the lower gradually reduced; texture 

 subcoriaceous ; surfaces dull-green with minute brown pubescence ; veinlcts 

 5-G-jugate, forked ; sori large, round, superficial, costular. — I'll. Bras. t. 36. 

 fg. 2. P. gradatum, Baker, Fil. Bras. p. 513. 



Ilab. Eio Janeiro, Glaziou, Lieut. Can; W. Lovgman, 



157*. P. tciiuiculum, Fee; st. very short, tufted, naked; fr. oblanceolate, 

 8-6 in. 1., |-1 in. br., cut down to raehis into ligulate arecto-patent blunt pinnse 

 1-1^ lin. br., the lowest decurrant along the black threadlike raehis in a repand 

 wing ; texture subcoriaceous ; surfaces naked, dull-green ; veins 8-12-jugate, 

 simple, erecto-patent, falling far short of the edge; sori round, slightly" im- 

 mersed, medial, 8-10 to central pinnse. — P. brevistipes, Mett. Kulin, Linn. 36. 

 p. 131. P. pendulum var. Gardnerianum, Baker, Fil. Bras. p. 613. 



Ilab. "West Indies and Brazil. 



168*. P. suhnudum, Mett. ; //•. tufted, sessile, oblanceolate, |-1 ft. 1., 1-1 1 in. 

 br., cut down to raehis into ligulate blunt entire pinnce 1 lin. br. at midrib, 

 dilated at base, lower gradually reduced to mere auricles ; texture coriaceous ; 

 lower side slightly furfuraceous ; veins obscure, immersed ; sori round, marginal, 

 10-12 to central pinnae. — Li7in. 1869.^0. 30. 



Ilab. Society Isles and Tahiti. — Habit equally of DavalUa conlirjua, of which it may 

 be a mere form with abortive involucrea. 



172*. P. patentissimum, ]\Iett. ; rhizome slender, soon denuded ; st. 1 in. I., 

 naked, distant ; fr. lanceolate, simply pinnate, 6-10 in. 1., 1-2 in. br. ; pinnce 

 numerous, horizontal, close, subrepand, gradually narrowed at tip, lowest 

 deflexed, slightly shorter ; texture membranous ; surfaces quite glabrous ; fertile 

 i'C2H5 forked ; sori medial, terminal on short anterior branches. — Kulin,Linn. 36. 

 p. \o\. 



Hab. Mount Chimborazo, Spruce, 5713. — Differs from teiiiafoUam by its close piunaj 

 and rhizome soon denuded. 



184*. P. Galeottei, Mett. ; r/i/cowe wide-creeping ; scopes lanceolate-acuminate, 

 pale-reddish; st. H in. 1.; fr. elliptic, simply pinnate, 4 in. 1. ; /?2?«?/(e close, 

 8-jugate, ligulate-obtuse, serrated, lowest defiexed, rather reduced ; texture mem- 

 branous ; both surfaces slightly pubescent ; veins trifurcate ; sori inframedial. — 

 Kuhn, Linn. 86. />. 135. 



Hab. Mexico, Galeotli, 6552. 



_ 184*. P. puhescens, Fe'e ; rhizome wide- creeping, \ in. thick ; 5c«/c5 linear, ferru- 

 ginous ; St. 3-4 in., like raehis stramineous, finely downy ; /;•. oblong-lanceolate, 

 12-15 in. l.,7-8 in. br., simply pinnate ; pinnae 15-20-jugate, close, adnate, minutely 

 toothed, dilated at base, ligulate, blunt, ^-g in. br. at middle, lowest deflexed, 



