ONCIDIUM. 383 
house, and produces long spikes of very large, ornamental, 
and remarkably-formed flowers in spring. Its only fault 
is its somewhat shy-flowering nature. The pseudo-bulbs 
are ovate, laterally compressed, 3in. to 4in. long, furrowed 
and wrinkled when old, two-leaved. Leaves leathery, strap- 
shaped, about rft. long, 2in. broad, acute-pointed. Flower- 
spike from 6ft. to 12ft. long, twining, strong spikes 
bearing as many as seventy flowers, each of which is 4in. 
across; sepals narrow at the base, then becoming broadly 
ovate, crisp and wavy, tin. broad, and rin. in length, 
coloured bright yellowish brown; petals similar in shape, 
but broader, and coloured rich golden yellow; lip small, 
triangular, leathery, purple, with a white crest, which 
consists of a prominent keel with two acute teeth on 
either side. This species likes plenty of moisture at all 
times. It should be planted in a pot or basket, with a 
good cone of peat-fibre or fern-stem for the roots to 
penetrate. A native of New Granada and Central America; 
introduced in 1867. 
Botanical Magazine, t. 5743. 
O. lamelligerum is similar to the above, but has even 
larger flowers, with a reniform dorsal sepal, coloured deep 
brown, with a yellow margin. The yellow petals have a 
few brown spots about the base. 
0. Marshallianum.—This superb plant, when not in 
flower, bears a close resemblance to O. crispum—so close, 
indeed, that the latter is sometimes imported and sold for 
the former. The resemblance does. not, however, extend 
to the flowers. Pseudo-bulbs oblong, from 2in. to 3in. 
long, compressed, furrowed when old, two-leaved. Leaves 
strap-shaped, 6in. to 8in. long, about 2in. broad, bright 
green, leathery. Flower-spikes stout, r1ft. to 2ft. long, 
branched; flowers numerous, 2}in. across; sepals ovate 
