68 



ORCHIDEJE. 



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

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

 Bot. Gard. Calc. VIII. 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 1 cm. lata apice 



acuminata basi gradatim attenuata ad 

 vaginam abeuntia utriuque glabra plicato- 

 plana. Scapi graciles 60 cm. longi, racemis 

 laxifloratis, floribus mediocribus 3 cm. in 

 diametro, bracteis lanceolatis scariosis 1 cm. 

 lougis tenuibus, pedicellis gracilibus 1 cm. 

 longis, petalis et sepalis valde postice 

 reflexis, labello autice horizontaliter patenti. 

 Sepala subsequalia oblongo-lanceolata 2 cm. 

 longa 6 mm. lata apice aristato-acurninata 

 basi leviter contracta 5-nervia extus breve 

 hirtellata. Petala sepalis angustiora ob- 

 lauceolata apice acuta basi attenuata 18 mm. 

 louga 4 mm. lata 3-nervia. Labellum antice 

 patens ; uuguis cum alis columns in tubum 



connatus, tubo augusto (ore 2 mm. in diametro iiitus hirtellato) ima basi 

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

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

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

 1 mm. 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. Cliuaudrium excavatum, 

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

 Anthera opercularis incumbens, postice cordata antice acuminata 3 mm. 

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

 plauata elongato-ovata apice attenuata 1 rnm. longa caudicuh's connata, 

 caudiculis 1 mm. longis. 



Pig. 31, Calanthe graciliflora 

 HAYATA ; a, a lip ; b, section of 

 a basal portion of the same. 



