376 ORCHIDS. 
pseudo-bulbs, 2in. long, each bearing two oblong or strap- 
shaped, bright green leaves, about 6in. long. Flower-spike 
large, branching, many-flowered. Flowers scarcely tin. 
across; sepals and petals very small, recurved, yellow, 
with chestnut bars; lip yellow, with a few reddish freckles, 
i 
Hin 
eae” 
Anu 
Fig. 91. Flowers of Oncidium excavatum 
(nat. size). 
#in. across, reniform, with a narrowed base, a pair of 
short lateral lobes, and a prominent, warted, cushion-like 
crest. This species flowers freely at various seasons, and 
the blossoms remain fresh for several weeks. It should 
be planted in a pot or basket, in peat-fibre and sphagnum, 
