425 



GENUS LXXII. TROPIDIA. 



Crynandria nonandrla. Sex: Syat: 



Gew. Chak. Periantl. closed : sepals herbaceous, glabrous, 

 lateral ones larger, obliquely produced at the base, like a false spur: 

 dorsal one shorter, free from the petals : petals free, resembling the 

 dorsal sepal : lip free, sessile, ventricose, constricted at the apex, 

 and abruptly expanded into a hooded smaJl limb, within the margin 

 increased at both sides by a thin plate : column elongated, terete, 

 free : beak acute : lower lip of the stigma thickened : olinandrium 

 excavated far below the stigma : anther dorsal, parallel with the 

 stigma, keeled, muticous: pollen masses four, coherent into two 

 powdery 2-lobed masses : caudicle short. — Herb with the appearance 

 of grass: leaves sessile in a long sheath, altogether grassy: spike 

 small, conical, sub-sessile : flowers minute, green., ; 



(1) T. cuBCULiGoiDEs. (lAndl.) 



Idmt. Lindl. gen. and sp. p. 497. 



Spec. Chae. Glabrous : stem straight, thin, striated, scarcely 

 solid : leaves linear-lanceolate, very acuminate, sessile, upper ones 

 smaller, gradually changing into bracts : spike many-flowered : 

 upper bracts bristly : lateral sepals ovate-lanceolate, semi-cordate at 

 the base, upper one shorter and narrower: petals lanceolate, sub- 

 falcate : flowers green. 



Shasia hills. 



GEFUS LXXIII. ANCECTOCHILUS. 



Crynandria monandria. Sex: Syau 



Beriv. From Anoiktos opened, and Cheiloa a lip, alluding to the 

 spreading- apex of that organ. 



Geit. Chae. Perianth ringent: upper sepal agglutinated with 

 the petals into a helmet, lateral ones spreading, unequal at the base, 

 resting on the lip : lip connate at the base with the column, ventri- 

 cosely spurred, claw stiff channelled, bent inwards, fimbriate : Kmb 

 2-lobed, spreading : callosities two at the bottom of the scrotum : 

 column short, margins membranaceous, dilated, involute, resembling 

 a bUameUate appendage : stigma bicaUous at the base : pbUen masses 

 two," powdery, somewhat 2-lobed, caudicles short, gland oblong. — 

 Herbs : roots fibrous, rhizome filiform, subterraneous : stems leafy : 

 leaves nerved, of different colours, veins usually shining with gold : 

 flowers spiked, loose, glandularly hairy. 



