104 ORCHIDE^:. 



Odontocldlw Inabai HAYATA (Herb. Taihoku). 



HAB. Rinkiho, ad 5000 peel, alt., leg. H. INABA, Aug. 1911, fl. 1-0.531, 

 (fide INABA). 



Near Odontockilm grandiflorm BENTH. = AncectocJdhis yrandiflorus LTNDL. 

 (Orchids of the Sikkim Himalayas, in Ann. Roy. Bot. Gard. Calc. VIH. t. 

 393), but differs from it by the much longer pectinate claws of the lips and 

 in having hairly sepals. 



Ancectochilus koshuueusis HAYATA sp. nov. (Fig. 54). Radices iu- 

 crassatse. Caulis teres solitarius (cum racemis) 16 cm. longus basi 3 mm. 

 crassus a basi usque ad medium foliatus supra medium vagiuato-squamatus 

 sursum spicatim florifer simplex iucrassatus rubero-purpurascens (in exsiccato) 

 deorsum subglaber sm'sum pubesceus prope basin minus foliatus, prope 

 medium approximatim fohatus, supra medium usque ad apicem aphyllus. 

 Folia alterua ad medium caulis approximatim 3-4 sita petiolata, lamina 

 rotundato-ovata 2| cm. loiiga 18 mm. lata apice obtuso-acuta mucronatim acuta 

 basi rotuudata ad petiolum acuta margine integra crassiuscula utraque pagine 

 glabra in exsiccato membranacea supra in exsiccato fusceuti subtus rubro- 

 purpurascenti 5-nervia, nervis parallelis lateralibus infra apicem ad nervum 

 centralem attingentibus, venis et venulis reticulatis, supra ad uervos venas 

 venulasque albo-reticulata, petiolis cum vagiuis 1 cm. lougis linearibus, partibus 

 linearibus 5 mm. lougis 1 mm. latis plicatis paullo pubascentibus, vaginis 3-5 mm. 

 lougis ore oblique tnmcatis 5 mm. latis circ. 10-uerviis semi-hyaliuis rubescenti- 

 bus. Spicae simplices 5-6-florat33 4 J cm. lougse, pedunculis (partibus caulis 

 aphyllis) 7 cm. longis 2-3 bracteatis, bractais sub flore ovatis rubasceutibus 



7 mm. lougis 3-4 mm. latis apice cuspidato-acuminatis 1-uerviis alabastrum 

 floris amplectautibus intus glabris extus pubescentibus. Flores alterui breve 

 pedicellati vel subsessiles suberecti. Sepala insequalia ; posticum late rotun- 

 dato-ovatum 5 mm. latum totiusque lougum basi nou coutractum apice 

 cuspidatum ad summum obtusum iutus glabrum extus pubescens 1-nervium 

 intus valde conca^mi sursum valde reflexum cum petalis cormatum galeam 

 formans dorso ad nervum elevatum ; lateralia obhque oblonga plus minus patentia 



8 mm. longa 4 mm. lata valde concava oblique apica obtusa basi non contracta 

 1-nervia, uervis recurvis, intus glabra extus pubascantia rubesceutia, uervis 



