330 48. POLYPODIUM, §§§§§ ErPOLYPODIUM. 



subcoriaceous ; rachis and both sides naked ; vdnlets very distinct, once forked ; 

 sori in 2 long rows HJc. Sp. 4. p. 200. 



Hab. Andes of Ecuador, Jameson. — This may be a form of the last, but the pinnae are 

 longer and closer. 



160. P. celebicum, BluiAe ; st. 3-6 in. 1., tufted, villose ;/n 12-16 in. 1., 2 in. br., 

 cut down to the rachis throughout into close nearly horizontal entire bluntish 

 pinnce 1^-2 lin. br. ; texture coriaceous ; rachis ciliated, the rest nearly naked ; 

 minlets simple ; sori deeply sunk, 8 to 12 in a row on each side the midrib. — 

 Hk.Sp.4:.p.m. 



Hab. Borneo and Celebes. 



161. P. griseum, Liebm. ; rhizome stout, wide-creeping, scaly ; «*.4-6 in. l.,pale- 

 brown,_polished, villose ; fir. flaccid, 1-2 ft. or more 1., 3-4 in. br., cut down to the 

 rachis into entire acute or bluntish lanceolate pintue ^f in, br. ; texttire herba- 

 ceous ;, rcKhis densely villose, and both sides finely pubescent ; veins fine, close, 

 2- or 3-forked, the groups sometimes joining ; sori in 2 long rows midway between 

 the midrib and edge. — HL Sp. 4. p. 202. 



Hab. Mexico and Guatemala. 



162. P. lasiolepis, Mett. ; rhizome short-creeping ; scales lanceolate, dull 

 brown ; St. -f-l in., densely shortly pilose ; Jr. lanceolate, 2-5 in. 1., 1^ in. br., 

 cut down to rachis Into lignlate, entire, adnate, hluut pinnce, the lower gradually 

 reduced ; texture rigidly subcoriaceous ; surfaces shortly finely brown-hairy ; 

 veins erecto-patent, 6-12-jugate, simple, bearing at the tip the slightly immersed 

 round submarginal sori. Kuhn, Linn. 5Q. p. 131. 



Hab. Martinique and Guadeloupe. 



163. P. pilipes, Hk. ; st. tufted, flexuose, 3-4 in. 1., densely clothed with soft 

 spreading hairs ;//•. pendent, 6-9 in. 1., 2-4 in. br., cut down nearly to the rachis 

 into close linear lobes, which are often deeply pinnatifid ; texture coriaceous ; 

 rachis and both sides naked ; vdnlets 1 to each lobe ; sori copious. — Hk. Sp. 4. 

 p. 230. Ic. t. 221. 



Hab. Peru, Matthews. 



C. Fronds more than half cm inch broad, erect or subereci. Sp. 164^180. 



164. P. macrocarpum, Presl ; rhizome stout, wide-creeping, densely clothed with 

 lanceolate adpressed scales ; st. 1-3 in. 1., wiry, often flexuose, deciduously scaly ; 

 fr. 3-4 in. 1., 1 in. or more br., lanceolate, cut down nearly to the rachis into 

 blunt entire or obscurely toothed pinncB J in. br., dilated at the base, and with a 

 rounded sinus between them ; texture coriaceous ; veins hidden, forked ; upper 

 smface naked, lower densely coated with scales ; sori large, copious. — Hh. Sp. 4. 

 p. 215. P. Tweedianum, Hh. Ic. t. 86. 



Hab. Bolivia to Chili. —Habit and scales like those of P. incanum. 



165. P. madrense, J. Sm. ; rhizome stout, wide-cr«eping, densely clothed with 

 minute scales ; St. 2-4 in. 1., firm, erect, naked or slightly scaly ; fr. 3-6 in. 1., 

 1^-2 in. br., cut down very nearly to the rachis into horizontal blunt entire pinnce 

 J in. hi'., with a rounded sinus between them ; texture coriaceous ; ebeneous rachis 

 and under side thinly coated with minute scales ; veinlets 2-forked, obscure ; sori 

 large, copious.^-ZT/fc. Sp. 4. p. 214, P, ontolepis, Fie. 



Hab. Sierra Madre, N. "W. Mexico, Seemrnm, 1941 ^About midway between the last 



»nd P. pectinatum. Kuhn joins it with plebdum. 



