4C oiu'HiDE.r.. 



5-10 flavescentes 1 cm. iu longo diametro laxe uinbellati rliachibus 2 mm. 

 longis, pedicellis gracilibus 9-10 mm. longis bast 1-bracteatis, bracteis fusco- 

 purpurascentibus 3 mm. longis. Sepala valde insequalia, posticum liberum 

 minus rubro-purpurascens ovato-quadrangulare 34- mm. longum basi 2^ mm. 

 latum 3-nervium basi latissimum leviter contractum apice obtusura lateralia 

 valde longiora linearia 13 mm. longa 3 mm. lata 3-nervia sed basi 5-nervia 

 flava nervis rubescentibus, apice obtusa basi pins minus obliqna basi 

 columns pede adnata mentnm 2 mm. longum formantia supra basin introrse 

 tortuosa latere exteriore a se cohcerentia facie exteriore basi 3-lineari- 

 maculata. Petala breviora quam sepalo postico oblonga 3 mm. longa If mm. 

 lata apice rotundata 3-nervia fusco-purpurascentia leviter reflexa vel concava. 

 Labellum brevius mentnm in longitudine sequans basi erectum a medio sursum 

 valde extrorse recurvum crassinsculnm margiue erectum apice obtusum acutum 

 vel emarginatum medio discis liuearibus 1 vel 2 instructum 2 mm. longum 

 basi purpurascens. Columna brevissima 1| mm. longa apice (clinaudrium) 

 latere bicornuta basi in pedern 2 mm. longum producta, (pede interiore recur vo 

 lineari complanato) apice abrupte iucurvis dilatatis. Anthera globosa, 4- 

 mm. in diametro. Pollinia 4 ; 2 majora, 2 minora. Capsula preniatura 

 cylindrico-fusiformis 2 cm. longa 5 mm. lata apice obtusa basi attemiata 

 triquetra facie leviter 1-costata. CirrJiopetalum flavisepalum HAYATA Herb. 

 Taihoku. 



HAB. Mt. Arisan, prope Taroyen, leg. B. HAYATA et S. SASAKI, Jan., 

 1912. 



The orcliid was found creeping on a large stone at a sunny place on 

 the left side of the Arisan-road near Taroyen. 



Bulbophyllum gracillimum HAYATA (Fig. 18) Ic. PL Formos. n 

 p. 132. Epiphyta, caulibus gracillimis prostratis ad uodos radicantibiis, 

 teretibus | mm. in diametro sectionis, internodiis 1-2 cm. longis, ad nodos 

 vaginatis, vaginis 3 mm. lougis ore truncatis. Folia subsessilia crassa elliptica 

 vel elongato-elliptica 22 mm. longa 9 mm. lata apice rotundata mucronata vel 

 emarginata basi plus minus contracta ad petiolum 1-2 mm. longum abeuntia 

 multinervia. Eacemi axillares 1-2-florati 2 cm. longi graciles basi vaginati 

 vaginis 1-2 mm. lougis, basi pedicellorum 1-bracteati, bracteis ovatis acumi- 



