•2'26 



roLYroDUCEa:. 



lixii. .Vi-isau, leg. B. ILvYAT.v et S. S.vs.vki, Jau.. 1012. 



Asplenium planicaule W.vli,. 



Hab. .Uisnn. ad 7()00-()()()0 j^md. alt.. leg. T>. Havat.v et S. Sasaki, 

 Jau., 1912. 



Compared witli a Japauese specimeu su l.-ibelled iu tbo Leibaiiuiu al 

 Tokyo. 



Asplenium resectum Sm. foiTu. adiantifrons dig- ly5). 



H.VB. Aiisau, ad 7000 ^wd. alt., leg. U. Havata et S. Sasaki, Jay., 1912. 



This fonn is so wide- 



\ 



ly difleieut fix)m the or- 

 diuaiT oue of A. resectuvi 

 that I th.uight it to lie a 

 distiuct si^ecies. Bnt, ex- 

 (kVkJf" amiuiug closelr, I liave 

 fouud tliat there are manr 

 ti-ausitioual fonus betweeu 

 this aud the ordiuaiy oue. 



Fig. ISS, Aspleniuiii resectum Sm. form. iuliiii)tifii»%s ; a, the plant ; b, a portion of a froml. 



This feru, therefore, though strikiugly diflerent from A. resectum, will not 



claim to lie a distinct from the named six)cies, nor eveu a rariety of the latter. 



Asplenium ritoense Hayata .sp. uov. (Fig. 156). rihizoma erectum? 



brevissiiuuui apice stjuamis deuse obtectnm, sqiiamis ovato-lauceolatis 2 mm. 

 lougis apice obtnsis vel acnmiuatis basi leviter cordatis vel truucatis fer- 

 rugineo-nigris margiue setnlosis. Stipes li^-2 cm. lougns frondibns brevior 

 basi plus miuus squamifer toto loijgitudiue ibasi excepto) alatus cum ahs 14 miu. 

 latus. Frous elongato-ti-iaugnlaris i> cm. louga 18 mm. hita pinuatifida apice 

 obtnsa l>a45i late trnueata, segmeutis iuluuis o mm. a se leiuotis late uvatis 



