POLYPOuiujr. 509 



153*. P. albidulum. Baker ; caud. short, erect ; basal scales linear-subulate, 

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

 4r8 in. 1., 6-12 lin. br., cut down to rachis into adnate ligulate subacute ptnncB 

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

 side densely white-pruinose ; veins immersed, ]()-12-jugate, rarely forked, not 

 reaching the edge ; sori round, superficial, submarginal. — Fil. Bras. p. 598. 



Hab. Eio Janeiro, Gladaa, 3C7D. 



157*- V.hirsvtvium, Fee ; couti. short, erect; sc^es minute, linear, brown ; 

 St. \-\\ in. 1., firm, grey, clothed with minute spreading brown haks ; fr. pen- 

 dulous, lanceolate, 3-G in. 1., 6-12 lin. br., cut down to rachis into adnate 

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

 subcoriaceous ; surfaces duU-green with minute brown pubescence ; veinlets 

 5-6-jugate, forked ; sori large, round, superficial, costular. — Fil. Bras. t. 36. 

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



Hab. Eio Janeiro, Glazioti, lAeM. Carr, W, Longman. 



157*. P. tenuiculum. Fee; St. very short, tufted, naked; fr. oblanceolate, 

 3-6 in. 1., J-1 in. br., cut down to rachis into ligulate erecto-patent blant pinnee 

 1-lJ lin. br., the lowest decurrent along the black threadlike rachis in a repand 

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

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

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

 p. 131. P. pendulum var. Gardnerianum, Baker, Fil. Bras. p. 513. 



Hab. West Indies and EraziL 



168*. P. sidmudum, Mett. ; fr. tufted, sessile, oblanceolate, j-1 ft. 1., 1-]^ in. 

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

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

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

 10-12 to central pinnae. — lAnn. 1869. p. 30. 



Hab. Society Isles and Tahiti. — Habit equally of Davedlia conliQua, of which it may 

 be a mere form with abortive inTolncres. 



172*. P. p<aeniissimum, Mett. ; rhizome slender, soon denuded ; St. 1 in. 1., 

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

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

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

 »ei»s forked ; soiri medial, terminal on short anterior branches. — Kuhn,Jjinn. 36. 

 />. 134. 



Hab. Mount Cbimborazo, Spruce, 5713. — Differs from tenuifuliiun, by its close pinnae 

 and rhizome soon denuded. 



184*. P. Galeottei, Mett. ; rA«4!ome wide-creeping ; scafes lanceolate-acuminate, 

 pale-reddish ; St. 1^ in. 1. ; fr. elliptic, simply pinnate, 4 in. 1. ; pinnce close, 

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

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



Kuhn, Linn. 36. p. 135. 



Hab. Mexico, GaUoUi, 6552. 



184*. P. pubescens. Fee ; rhizome wide-creeping, J in. thick ; scales linear, ferru- 

 ginous; St. 3-4 in., like rachis stramineous, finely downy ; fr. oblong-lanceolate, 

 12-15 in. l.,7-8 in. br.,simply pinnate ; /)zn72<E 15-20-jugate, close, adnate, minutely 

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



