48. POLYPODIUM, §§§§§§§§ NIPHOBOLUS. 351 



than the type and narrowed more gradually below, and P. princeps, Mett., from New 

 Guinea, has the scales divided at the point into 3-4 oilise, and is thinner in texture, with 

 more adpressed tomentum, and more numerous aori and areolse. 



284. P. (Niph.) svibfwfuracmm, Hk. ; rhizome short-creeping, clothed with 

 deciduous ferruginous fibrillose scales ; st. 4-6 in. 1., firm, erect ; fr. lJ-2 ft. 1., 

 4-6 in. br., the apex acuminate, the lower part narrowed gradually, the edge, 

 entire ; texture coriaceous ; upper surface naked, lower with thin glaucous tomen- 

 tum ; main veins distinct to the edge, connected by arched areolae, with 1 or 2 

 irregular rows of 6 to 10 sori in each. — Hk. Sp. 5. p. 62. 



Hab. Mishmee and Bhootan, Gi'iffiih. 



+t Tome/nium thicker, more woolly, and looser. Sp. 285-296. 



285. P. (Niph.) nummulari(sfolium, Mett. ; rhizome slender, wide-creeping, 

 filiform, clothed with bright-ferruginous fibrillose scales ; st. erect, \-\ in. )., 

 often scaly ; fr. dimorphous, the barren ones roundish or elliptical, the fertile 

 ones longer and narrower, 1^-2 in. 1., \-\ in. br. ; texture subcoriaceous ; upper 

 surface naked, lower densely coated with loose ferruginous woolly tomentum ; 

 main vdns distinct, connected by 4 to 6 arched areola ; sori close, scattered, some- 

 times covering the whole surface. — Hk. Sp. 5. p. 54. Galeoglossa, Presl. 



Hab. N. India (up to 2,000 ft.), Neilgherries, Philippines, Malaccas. — P. oimatum, 

 Mett., is said to be like this, but to have the fertile fronds similar in shape to the barren 

 ones, and both obovate-oblong. 



286. P. (Ni'ph..) floccigerum, Mett. ; rhieome wide-creeping, the scales squarrose, 

 lanceolate-acuminate, bright-ferruginous ; st. very short ; fr, 6-12 in. 1., ^^ 

 in. br., narrowed gradually to both ends, the edge entire ; texture rigid, coria- 

 ceous ; upper surface naked, lower densely matted with subferruginous tomen- 

 tum ; veins hidden ; sori immersed amongst the tomentum, covering the whole 

 upper part of the frond. — Hk. Sp. 5. p. 46. Antrophyum niphoholoides, Hk. Sp. 5. 

 P.M. 



Hab. N. India, Philippines,' Malaccas.— -Most like N. poroaum, but the frond much 

 narrower and texture more rigid. 



287. P. (NiTph..) flssum. Baker ; rhizome stout, short-creeping, the scales dense, 

 spreading, lanceolate, ferruginous ; st. none, or very short ; fi: 6-12 in. 1., I-I5 

 in. br., narrowed very gradually to both ends, the edge entire ; texture subcori- 

 aceous ; upper surface naked, lower densely coated with soft woolly ferruginous 

 tomentum ; veins hidden ; sori close, scattered, immersed amongst the tomentum. 

 — Niphobolus, Bl. P. porosum. Wall. Hk. Sp. 6. p. 48. 



Hab. Himalayas (6-6,000 ft.) to Ceylon and Java. — Characterized by its strapshaped 

 subsessile fronds, very woolly beneath. 



288. P. {^'vph..') flocculosum, Don ; rhizome short, the scales linear-subulate, pale- 

 ferruginous ; St. 4-6 in. 1., firm, erect, cottony upwards ifr. 6-18 in. 1., f-l| in. br., 

 narrowed very gradually to both ends ; texture coriaceous ; upper surface naked, 

 lower densely matted with close glaucous or subferruginous tomentum ; main 

 veins distinct to the edge ; sori small, bright-coloured, in straight rows of 4 to 6 

 each between them. — P. detergibile, Hk. Sp. 5. p. 49, 



Hab. N. India, ascending to 5,000 ft. 



289. P. (Niph.) africanum, Mett. ; rJiizome stout, densely clothed with large 

 grey ovate scales ; fr. subsessile, 6-12 in. 1., |-1J in. br., narrowed gradually to 

 both ends, the edge entire ; texture coriaceous ; upper surface naked, lower densely 

 coated with close nearly white woolly tomentum ; veins immersed ; sori close. 



