POLYPODIACEJE. 



253 



latis prope basin sorum singulum gerentibus margine integris circ. angulo 

 90 vel 85 a rhachibus egressis a se 1 mm. remotis, segmentis superioribus 

 gradatim minoribus se approximatis, segmento terminali subnullo vel ad 

 globulum minutnm reclucto, segmentis inferioribus gradatim minoribus se plus 

 remotis prope basin frondis ad dentem triangularem |- mm. longum obtusum 

 reductis a se 2 mm. vel plus remotis ad extremitatem frondis ad alam angustis- 

 simam reductis, segmentis in sectione plano-convexis pQ -formibus supra convexis 

 subtus planis ; pagina subcrassiuscula utraque prsesertim ad costam parce 

 strigoso-pilosa, pilis validis castaneo-nigris usque 1 mm. longis, supra ad 

 costam anguste sulcata subtus plana, venis non elevatis simplicibus haud 

 ramosis, costis subtus non sulcatis. 



H\B. Arisan, leg. S. KUSANO ; ibidem, leg. B. HAYATA et S. SASAKI, 

 Jan., 1912. 



Near Polypodium trichomanoides Sw., but differs from it in having simple 

 veins and entire scales; from P. Okuboi YATABE and P. setosum METT. in 

 having much narrower pinnge. 



Polypodium quasipinnatum HAYATA Mater. Fl. Formos. p. 447. 



Near Pleopdtis Moulmeinensis BEDD. Fern. Brit. Ind. t. 205, but differs 

 from it by the sori arranged in two or three rows on each side of the costaa. 

 Also very near P. mcdacodon HOOK. 



Polypodium rostratum HOOK-. (Fig. 177). HOOK. 1-st Cent. Fern. t. 

 53; BEDD. Fern. Brit. Ind. t. 159 et Handb. Fern. Brit. Ind. p. 347 fig. 

 193 cum nomine Pleopeltis rostrata HOOK. 



HAB. In monte Morrison, ad 7000 ped. alt., 

 leg. U. MOEI, 1906, Dec. (No. 

 1896). Our fern closely re- 

 sembles P. rostratum in the 

 size, shape and texture of the 

 fronds, but is a little different 

 from it in the venation, as far 

 as is concerned the figures in 



BEDD. Fern. Brit. Ind. t. 159, 



Fig. 177, Potypodvum rostratum HOOK. ; a, 



and HOOK. Ic. PI. t. 953. the plant; b, a scale; c, a portion of the frond. 



