THE ORCHIDS OF THE BOMBAY PRESIDENCY. 587 



Details of Plate V. — Cymbidium aloit'olium, Sw. (Cymbidimn 

 bicolor, Ldl. on plate). 



1. Part of leaf — nat. size. 



2. Part of innoresence —nat. size. 



3. Reduced sketch of plant to show habit. 



14. GEODORUM. 

 Terrestrial, with globose tubers, the annual leaf sheaths forming a 

 short stem. Leaves elliptic acute, plicate, pedvncles rising from the 

 root stocks, enclosed in the sheaths of the young leaves. Flowers 

 densely clustered at the top of the scape, racemose ; sepals subequal, 

 the uppermost flat, the lateral distinctly ribbed on back and keeled 

 towards the tips, petals not keeled, a little larger and broader than 

 sepals, lip with a broad and very short sac at base, lateral lobes 

 shallow and long ; dish channelled, midlobe very shortly emarginate: 

 column short, stout, pollinia 2, attached by a slender caudicle to a 



small broad gland. 



1. Geodorum dilatatum, R. Br.; Fl. Br. Ind. VI, p. 17 : 

 Cooke, Fl. of Bombay II, p. 695; G. purpvreum, Br. : Dalz. and 



Gibs. p. 266. 



Tubers 1\ inch in diameter. Leaves up to a foot long, bright 

 green, membranous, tapering downwards into a long sheath. Peduncle 

 exceeding the leaves, bracts lanceolate acute, green, 3-nerved, f inch 

 long, ovary shorter ; sepals \ inch long, white, deeply suffused with 

 pink, petals coloured as in sepals, lip as long as petals, white, streak- 

 ed with purple on the lateral lobes ; dish oblong, yellow spotted with 

 purple, midlobe purple. 



Flowers in June. 



Collected by Mr. Spooner on the Belgaum and North Kanara Ghats. 



Distribution.— -Western Peninsula, North Eastern India, Andamans, Ceylon. 



15. POLYSTACHYA. 



Epiphyte. Pseudobulbs successively formed, older green, triannu- 

 late, compressed, longitudinally striate. Leaves 4, distichous, petioles 

 broadly sheathing, laterally compressed, blade articulated, scape race- 

 mose, rising from the latest pseudobulb, peduncle invested at base with 

 four compressed sheaths. Flowers resupinate, in a cluster at the apex 

 of the peduncle, bracts minute, ovary subsessile, dorsal sepal small, 

 ovate acute, lateral a little larger, petals shorter than sepals and 

 very narrow, lip broader than long, 3-lobed, lateral lobes small, 

 rounded, midlobe much larger, slightly toothed ; disk furfuraceous, 



