128 



ORCHIDEJE. 



1 mm. latis sursum teretibus. Labellum tripartitum, partibns linearibns, 

 parte central! llmm. longa mm. lata, lateralibus central! brevioribus 6mm. 

 longis a central! angulo 45 divaricatis, basi calcaratum, calcari 12 mm. longo 

 antice recurvo ore 3 mm. in diametro. Rostellum A-forme 2-brachiatum, 

 brachiis 2 mn>. longis. Anthera /^.-formia 2-brachiata, brachiis divaricatis 

 rostello parallelis ; staminodia claviformia ; stigmata 2-partita, partibus lineari- 

 fusiformibus 4J mm. longis mm. latis paralleliter se remotis. 

 HAB. Nantocho, in montibus, leg. U. MORI, 1909. 

 Near H. ciliolaris KRANZL, but differs from it by the quite glabrous 

 scapes and biparted petales, portions of which are divaricated at 180. Also 

 near Habenaria stenopetala LINDL. var. polytridia HOOK. f. (Orchids of the 

 Sikkim Himalayas in Ann. Hoy. Bot. Gard. "VHI. t. 404, bis) in having long 

 linear petals attaching at their centres to the apex of the ovary, and long 

 linear 3-lobed lips; but differs altogether from it in the leaves, bracts and 

 not tailed sepals. 



Habenaria tohoensis HAYAYA sp. nov. (Fig. 67). Caulis 40-50 cm. 



longus basi vaginatus supra basin 

 foliatus a medio sursum squamatus, 

 vaginis cylindraceis 6 cm. longis, 

 squamis ovato - lanceolatis 2-3 cm. 

 longis apice acuminatis vel lineari- 

 acuminatis, versus apicem flores 2- 

 3-gerens toto glaber. Folia obovato- 

 oblonga vel eUiptico-oblonga 11 cm. 

 longa 3 cm. lata apice acuta basi 

 cuneato-angustata ad summum tenui- 

 ter aristata. Flores apertientes 2 



cm. in diametro, bracteis lineari- 

 Fig. 67, Habenana tohoensis HAYATA; 



a, a lip ; b, marginal portion of the same ; c, lanceolatis 2 cm. longis 4 mm. latis 



central portion of a flower ; a = anther, r =rostel- 



lum, s= stigma, l=lip. 3-nerviis apice lineari-acuminatis, 



subsessiles, ovariis 2 cm. longis 3 mm. latis ovato-fusiformi-linearibus apice longe 

 rostratis basi contractis glabris. Sepalum posticum oblongo-ovatum 1 cm. 

 longum 4-5 mm. latum 5-nervium apice obtusum basi contractum, lateralia 



