apr. um] HATATA.— SOME FERNS FROM FORMOSA. 77 



Hab. in monte Morrison, ad 7000 ped. alt., leg. T. Kawa- 

 kami et D. Mori, Oct. 1908, (No. 1868). 



Polypodium irioides Lam. ; Matsum. et Hayata, 1. c. p. 

 632. 



Hab. in monte Choran, leg. G. Nakahara, Aug. 1905, (No. 

 289) ; Toroku : Hoosan, leg. T. Kawakami et U. Mori, Nov. 

 1906, (No. 234-0) ; Shintiku : Goshizan, leg. T. Kawakami, Dec. 

 1906, (Xo. 24-05). 



Polypodium Kawakamii Hayata, sp. nov. Rhizomata 

 breve repentia, squamulis majusculis stramineis ovatis supra 

 basin affixis ad medium radiculas emittentibus. Stipites 10—15 

 cm. longi nudi. Frondes lanceolatas utrinque attenuate circ. 

 25 cm. longae 2 cm. late integral rigido-coriacee supra nude 

 subtus squamulis rotundatis sparce dispersal, venis venulisque 

 obscuris, arcolis copiosis venulis liberis 1—2. Sori magni 

 promincntcs non immersi subrotundati vel oblongi prope 

 costam 1-seriatim dispositi supra medium frondum accupantes. 



Hab. Toroku : Nanshikiaku, leg. T. Kawakami et U. Mori, 

 Nov. 1906, (No. 2346) ; Arizan, in mnitis Morrison, leg. G. 

 Nakahara, Nov. 1906. 



Somewhat like P. Cmmingh&tm Hooker, but differs from 

 it in having rigid texture, very long stipes, and arcolas with 

 free veinlets. 



Polypodium morrisonenso Hayata, sp. nov. Rhizomata 

 lignosa paleis cuspidatis albo-margiaatis adpressa. Stipites 

 breves 2 em. longi erecti. Frondes lanceolate circ. 20 cm. 

 longae 2 cm. lata- apice angustre obtusae basigradatim angustae 

 ad stipitem brevem abeuntes, margine integral tnembranacese 

 supra nude subtus paleis sparce disp rsae, costis utraque 

 prominulis, venis eL venulis valde distinctis, venis ad marginem 

 non attingentibus, areolis inter venas t 5, venulis lib :ris 1-2, 

 venis valde Bexuosis. Sori solitarii inter venas lateral 



HAB. in monte Morrison, ad 9000 ped. alt., leg. '1*. Kawa- 

 kami et ('. Mori, Oct. L906, (No. 1819). 



