48. POLYPODIUM, §§§§§§§§ NIPUOBOLUS. 351 



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

 Guinea, has the scales divided at the point into 3-4 cilia?, and is thinner iu texture, with 

 more adprcssed tomentura, and more numerous sori and areolse. 



2B-1. P. (Niph.) snbfarfiiraceuin, Hk. ; r/ihome short-creeping, clothed witli 

 deciduous ferruginous fibrillose scales ; st. 4-G in. )., firm, erect ; fr. 1^-2 ft. 1., 

 4-5 in. br,, the apex acuminate, the lower part narrowed gradually, the edge 

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

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

 irregular ro\\'s of G to 10 sori in each. — Ilk. Sp. 5. p. 52. 



Hab. Mishmee and Bhootan, Gnffilh. 



tt Tomcntum thicker, mm'e woolly, and looser. Sp. 285-29G. 



285. P. (Niph.) nummular ioefolium, Mett. ; rhizome slender, wide-creeping, 

 filiform, clothed with bright-ferruginous fibrillose scales ; st. erect, j-1 in. 1., 

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

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

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

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

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



Hab. N. India (up to 2,000 ft.), Neilgherries, Philippine."?, Malaccas. — P. ohovatum, 

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

 ones, and both obovate-oblong. 



28G. P. {l!i\-p\\.') floccigerum, Mett. ; rhizome wide-creeping, the scales squarrose, 

 lanceolate-acuminate, bright-ferruginous ; st. very short ; fr. G-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. 45. Antrophvum niphoboloides, Hk. Sp. 5. 

 p. 94. 



Hab. N. India, Philippines, IMalaccas. — Most like N. porosum, but the frond much 

 narrower and texture more rigid. 



287. P. CNlph.) fsstim, Baker; rhizome stout, short-creeping, the scales dense, 

 spreading, lanceolate, ferruginous ; st. none, or very short ; /)•. G-12 in. 1., ^-]|- 

 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. 5. j». 48. 



Hab. Himalayas (5-6,000 ft.) to Ceylon and Java. — Characterized by its strapshaped 

 subsessile fronds, very woolly beneath. 



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

 ferruginous ; st. 4-G in. 1., firm, erect, cottonj^ upwards ;/r. G-18 in. 1., f-1^ 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 G 

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



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



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

 grey ovate scales ; fr. subsessile, G-12 in. 1., ^-1^ 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, 



