DESCRIPTIVE LIST. 343 



blood-purple; lip very short, of brilliant yellow, with 

 fringed wings ; the column yellow marked with purple. 

 A brilliant flower. This species may be grown on blocks. 

 There are many varieties. 



A. Oncidium Barken. Mexico . . Sert. O., 48. 



SYN. Oncidium tigrinum. B. R., 1651. 



Pax. Mag., 14, 97. 

 I. H., 2. 



Flowers large ; perianth rich brown, barred with yel- 

 low ; lip bright yellow, an inch or more across. Blooms 

 in winter. 



B. Oncidium Batemanii. Brazil . . . Fl. Cab., 137. 



SYNS. Oncidium racemosum. 

 O. spilopterum. 

 O. stenopetalum. 



A rare species, and not free-flowering, but worth grow- 

 ing, as the flowers are a very bright yellow and showy. 



C. Oncidium Baueri. Mexico . . . . B. R., 1651. 

 Perianth yellow, striped and margined with yellowish 



brown ; lip yellow. This species strongly resembles On- 

 cidium altissimttm. 



-A. Oncidium Ucallosum. Guatemala . B. R., 1843, 13. 



B. M., 4148. 

 I. H, 458. 



Flowers brilliant yellow, slightly fragrant. Sepals and 

 petals cinnamon-brown. A better plant than Oncidium 

 Cavendishii, which it much resembles and with which it is 

 often confounded. It is one of the most showy of winter- 

 blooming Orchids. 



