ONCIDIUM. 491 



white, the side lobes dark purplish brown. It is one of the 

 finest species yet introduced, and blooms during spring and 

 early summer, lasting long in full beauty. The cool house 



ONCIDIUM MACRANTHUM. 



suits it best, and it should be potted in peat and sphagnum 

 moss, with good drainage. — New Grenada. 



¥iQ.—Bot. Mag., t. 5743 ; Warner, Sel. Orch. PI, ii. 1. 17 ; Jennings, Orch., 

 t. 42 ; Floral Mag., t. 386 ; Gard. Chron., 1869, 739, with fig. 



0. macraiitliuin ■Williamsianuin, Rchb.f.—k most distinct 

 and curious variety, having on each petal a large blotch of 

 Indian purple, a style of marking which makes it a striking 

 contrast to the original or typical form. It flowers during 

 the summer months. — New Grenada. 



