344 ORCHIDS. 



B. Oncidium bicolor. Spanish Main . . B. R., 29, 66. 

 Perianth deep yellow, marked with crimson ; lip yel- 

 low, white underneath. Blooms in September. Grow on 

 a block. 



Oncidium bicornutum B. M., 3109. 



B. R., 1007. 

 See Oncidium pubes. 



A. Oncidium bifolium. Monte Video. Lodd. Cab., 1845. 



B. M., 1491. 



The perianth, which is small, is brown ; the lip is very 

 large, of a beautiful yellow. This plant is rather difficult 

 to grow ; it succeeds best in a pot, with moss, suspended 

 from the roof, close to the rafters. 



A. Oncidium bifolium majus. 



A variety with larger and brighter flowers, and very 

 superior to the species. 



B. Oncidium calanthum. Ecuador. . . . F. M., 384. 

 A cool species, with brilliant yellow flowers; that of 



the lip being deeper than the petals and sepals, with red 

 in centre. A free grower and bloomer in winter and 

 early spring. 



Oncidium candidum. SYN. of Palumbina Candida. 



C. Oncidium Carthaginense .... Lodd. Cab., 662. 



SYNS. Epidendrum undulatum. B. M., 1491, 20, 

 E. Carthaginense (Jacquin). 777. 

 Oncidium Henchmanii. 



Perianth olive, marked with brown ; lip yellow, marked 

 with red. Flower-spikes very large. 



