Oct. 1910.] 



MAKINO—OBSERV. ON THE FLORA OF JAPAN. 



231 



J 



nerves 5 or 3 ; veinlets delicate, loosely anastomosing. Peduncle 

 erect, narrower than the stem, slightly shorter than the rachis 

 of the raceme, covered with patent short glandular pubescent 

 hairs as well as the rachis, about 2^—3 Jem. long. Raceme 

 erect, very laxly about 4-flowered ; rachis straight or obscurely 

 flexuous, about 1- 

 2Jcm. long ; bract 

 minute, ovate, obtuse 

 or acutish. Flowers 

 pedicellate, small; 

 pedicel gracile, fili- 

 form, glabrous, about 

 3 — 3Jmm. long in 

 flower but 7-8mm. 

 long in fruit. Peri- 

 anth about 2mm. 

 or slightly more long, 

 glabrous, membra- 

 naceous, entire, 1- 

 nerved. Sepals : the upper one (Fig. 

 XVII. a) oblong-ovate, obtuse, con- 

 cave; lateral ones (Fig. XVII. b) hard- 

 ly longer, somewhat oblique, lanceo- 

 lato-ovate, acutish. Petals (Fig. 



XVII. c) as long as the upper sepal, nar- 

 rowly subspathulato-oblong, obtuse. 

 Labellum (Fig. XVII. d) much exserted, 

 sessile, about 5J-7mm. long, cordato- 

 sagittate with falcato-lanceolate sub- 

 obtuse lobes which are clasping the gynostemium at the base, 

 bifid with erect-patent straight narrow lobes and a deltoid 

 sinus, which with a minute low projection at its bottom ; disk 

 about ljmm. broad, 3-5-nerved, with a vertical narrow ridge in 

 centre and its lower end of the ridge shortly very divaricate above 

 the base of the labellum. Gynostemium (Fig. XVII. e) short 

 and thick ; clinandrium deeply concave, bifid ; the dorsal lobes 

 very broad, fornicately concave, very thinly membranaceous, 



Fig. XVII. mag. 



