834 JOURNAL. BOMB A Y NATURAL HISTORY SOCIETY, Vol. XVIII. 



Flowers appear in May and June and sometimes continue into July. 



Distribution. This plani is common throughout the region of heavy 

 rainfall from the Thana District to North Kanara, ranging south- 

 wards to Ceylon. It extends from Ihe base of the Western Himalayas 

 in Garhwal through Assam and the Khasia Hills to Burma and the 

 Malayan Archipelago. 



Details of Plate VII. — Rhynchostylis retusa, Bhime. 

 Plant. 2rds natural size. 



a. flower seen from the front. 



b. flowers, divested of sepals and petals, showing the column, lip 



and spur. 



( To be continued.) 



