68 



ORCHIDE.E. 



HAB. Koshun, leg. T. KAWAKAMI et T. ITO, 1909, Juni. 



Very near C. Mannii HOOK. fil. in Orch. Sikk. Himal. in Ann. Hoy. 

 Bot. Gard. Calc. VHI. t. 225, in its external appearance, but differs by the 

 quite yellow flowers with quite different lips. 



Calanthe graciliflora HAYATA (Fig. 31) Mater. Fl. Formos. p. 329. 

 Folia 2-3 oblongo-spathulata cum vaginis 30 cm. longa 6 cm. lata apice 



, acuminata basi gradatim attenuata ad 



h 



vaginam abeuntia utrinque glabra plicato- 



plana. Scapi graciles 60cm. longi, racemis 

 laxifloratis, floribus mediocribus 3 cm. in 

 diametro, bracteis lanceolatis scariosis 1 cm. 

 longis tenuibus, pedicellis gracilibus 1 cm. 

 longis, petalis et sepalis valde postice 

 reflexis, labello antice horizontaliter patenti. 

 Sepala subsequalia oblongo-lanceolata 2cm. 

 longa 6mm. lata apice aristato-acuminata 

 basi leviter contracta 5-nervia extus breve 

 hirtellata. Petala sepalis angustiora ob- 

 lanceolata apice acuta basi attenuata 18 mm. 

 longa 4 mm. lata 3-nervia. Labellum antice 

 patens ; unguis cum alis columnse in tubum 



connatus, tubo angusto (ore 2 mm. in diametro intus hirtellato) ima basi 

 attenuate in calcar 12 mm. longum 1 mm. latum producto, calcari extus et intus 

 hirtellato; lamina labelli rotundata in ambitu 1 cm. longa totiusque lata 3-lobata, 

 lobo medio angusto 5 mm. longo 2 mm. lato apice emarginato-aristato, aristis 

 1mm. longis desuper reflexis, lobis lateralibus quadrangulari-rotundatis 

 4 mm. longis totiusque latis oblique divaricatis ; discus calloso-lamellatus, 

 lamellis 3. Columna brevis 5 mm. longa clavata. Clinandrium excavatum, 

 lobo posteriore truncato, anteriore (rostello) 2-lobato, lobis dentiformibus. 

 Anthera opercularis incumbens, postice cordata antice acuminata 3 mm. 

 longa distincte 2-locularis, loculis distincte 2-locellatis. Pollinia 8 subcom- 

 planata elongato-ovata apice attenuata 1 mm. longa caudiculis connata, 

 caudiculis 1 mm. longis. 



Fig. 31, Cdlanthe grac'diflom 

 HAYATA; a, a lip; b, section of 

 a basal portion of the same. 



