144 



THE BOTANICAL MAGAZINE. 



[Vol. XXXIV. No. 40G. 



(Jiuro Nikai n. 2562). 

 Kitisiu : Kanagoe prov. Buzen (Ryokichi Yatabe). 

 Liukiu : circa Koshuku insulas Oshima (Tomijiro Uchiyama). Shuri 



insula Okinawa (Kiichi Miyake). 

 Formosa: insula Kotosho (Takiya Kawakami et Genji Nakahara) 



in humidis Maruyama (Faurie n. 644). Taihoku (Tomitaro 



Makino). Byoritsu (Bunzo Hayata et Ushinosuke Mori). 

 Ouelpaert : in herbidis lateris australis (T. Nakai n. 6590). in silvis 



Piento Tshinpat 800 m. (Taquet n. 3946). in uliginosis (Faurie 

 * * n. 29 et 30). prope cascade Hongno (Faurie n. 2181). in herbidis 



(Faurie n. 2201). in silvis (Taquet n. 2405, 3546, 3975, 2383). 



520) Dryopteris purpurascens, (Blume) Nakai comb, no v. 

 Aspidium purpurascens, Blume Enum. PI. Jav. II. p. 169 (1828). 

 Dryopteris sparsa subsp. purpurascens, Christensen Ind. I?ilic. p. 



293. 



Nom. Jap. Java-itachi-shida. 

 Hab. 

 Java: in silvis montis Gede, ubi vulgaris (T. Nakai). 

 This fern is near to Dryopteris sparsa, D. melanocarpa and D. subexal- 

 tata, still the\ r are distinct from each other as follows. 



Indusium sorum fere toto clausum ita in maturitate sori irregulari- 

 ter elapsum, extns eximie glandulosum. Rhizoma curvato- 

 ascendens. Perulae stipitis lanceolate. 



D. subexaltata, (Christ) Christensen. 



Indusium sorum haud v. leviter clausum ita in maturitate ut toto 

 * e soro liberum, glabrum v. leviter glandulosum 2 



! Squamae stipitis lanceolatae v. lineari-lanceolatae. Rhizoma breve. 

 , D. sparsa, (Hamilton) O. Kuntze. 

 Squamae stipitis membranaceae late v. ovato-lanceolatae 3 



Rhizoma brevissimum erectum. Stipites basi subito incrassati. 



Indusium sorum leviter clausum D. melanocarpa, Hayata. 



Rhizoma breve curvatum v. stipites basi sensim incrassati 

 saepe curvato-ascendentes incrassati. Indusium sorum tantum 



tectum D. purpurascens. (Blume) Nakal 



When the sori of these species are attached by fungus, they 

 become black and remain persistent on the frond. The name 

 Dryopteris melanocarpa is therefore not proper, for it was named after 

 the abnormal case. 



521) Eria bidentata, Nakai sp. nov. (ConvallarioHeae) . 



Pseud obulbi in rhizomate proxime positi anguste clavati 5-8 arti- 



1 < 



