132 



la turn, 3-nervimn, basi latissimum leviter contractum, apice obtusum, lateralia 

 ralde longiora linearia 13 mm. longa 3 ram. lata, 3-uervia, sed basi 5-nervia, 

 flava, iiervis rabescentibus, apice obtusa, ba>i plus minus obliqua, basi 

 columnar pedi adnata mentnm 2 mm. longum formantia, supra basin in- 

 trorse tortuosa latere exteriore a se colicerentia, facie exteriore basi 3-lineari- 

 maculata. Petala breviora quam sepalo portico, oblonga, 3 mm. longa 1| mm. 

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

 Labellum breviu- mentum in longitudine sequans ba-i erectmn a medib sursum 

 valde extrorse rccurvum, crassiusculum, margine erc-ctum apice <>1 tnsum acutum 

 vel emarginatum, medio discis linearibus 1 vd 2 instruction, 2 mm. longnm 

 basi purpnrascens. Columna brevissima, 1 -} ram. longa, apice (clinaiidrium) 

 latere bicornuta, l>asi in pedem 2 mm. longum producta, fpede interiore recur\-<> 

 lineari complanato) apice al>rupte incurvis dilatatis. Anthei'a globosa, 

 mm. in diametro. Pollinia 4 ; 2 majora, 2 minora. C'a])sula prematura 

 cylmdrico-fusiformis, 2 cm. longa 5 mm. lata, apice obtusa, basi atteiiuatu, 

 triquetra, facie leviter 1-costata. 



BL\K. M. Ai'isan, prope Taroven, leg. B. HAY ATA et S. SASAKI, Jan., 1912. 



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

 the left side of the Arisan-road near Taroyen. 



Bulbophyllum gracillimum HAYATA sp. nov. Epiphytica, caulibus 

 gracilliniis prostratis ad nodos radicantibus, teretibus | mm. in diametro sectionis, 

 interne >diis 1-2 cm. longis, ad nodos vaginatis, vaginis 3 mm. longis, 

 ore truncatis. Folia subsessilia crassa, elliptica vel elongato-elliptica, 22mm. 

 longa 9 mm. lata apice rotundata mucronata vel emarginata, basi plus minus 

 contra eta ad petiolum 1-2 mm. longum al)euntia, multinervia. liacemi axil- 

 lares, 1-2-florati, 2 cm. longi, graciles, basi vaginati, vaginis 1-2 mm. longis, 

 basi pedicellorum l-l;racteati, bracteis ovatis acumiiiatis 3 mm. longis 1^ mm. 

 latis, pedicellis cum ovario 2-3 mm. longis. Sepala insequalia, posticum ob- 

 lougo-angustatum 3 mm. longum 11 mm. latum apice obtusum basi non contract- 

 um, 3-nervium, lateralia basi pede columnar adnata basi valde obliqua 3-nervia, 

 3 mm. louga. Petala minutissima, linearia, l mm. longa, 1-nervia. Labellum lg 

 mm. loDgum, -\ mm. latum, basi erectura interiore recurvum, medio sursum al> 



