374 ORCHIDS. 
becoming furrowed with age, and each bearing a pair of 
keeled, bright green leaves 5in. by 1in. The slender scape 
Fig. 90. Oncidium curtum, showing Habit and detached Flower 
(Habit, much reduced: Flower, nat. size). 
springs from the base of the ripened pseudo-bulb, and is 
about 8in. long; it bears from three to five flowers, each 
