TETRA. MICROPETALA. ( 25 ) ONCIDIUM. 
and t three feet long, have a great branching panicle, — with from 
eighty to — large showy flowers. The sepals and petal e dull 
green banded ‘with a dull brown. The lip is Se very coreg yellow, with 
two ae i a oO middle 
lobe. stan before 
and of a little ie of varicose veins placed on each side of it. The wi 
ng, whi pie culearet: and finely notched, 
80. 0. nakiun. LInndley, in Bot. Reg. sub t. 1920. 
Wild in Braztu ; Serra do Gram Mogol, in elevated —— places, 
in the province of a (”. 8. _— in hb. my 
rs should be re-examined. ketch of th 
a plant with two reusved sretiin e — — three inches long, : a — 
about five inches long, where it forks into two uneq exuo: 
The flowers are very like those of 0. gre canseiae except in the —— which 
seems to be formed of one great central tooth and several smaller 
each side, without any pulverulent cushion at the ba T 
acute, not obtuse, and the wings of the column which are ded, as in 
O. flexuosum, are of nearly the same size as the two cheeks he 
of the column, which are themselves, in the original definition, called addi- 
tional wings. 
* 81. 0. flexnosum. Sms, in B. M. t. 2208. LO. p. 199. 
Wild in Baaztt—Miers, 3479, &e. (v. v. c. et 8. sp.) 
Flowers bright yellow with ¢ clear brown Spots, in a large branching panicle. It 
is, however, alway hion-shaped and downy or pulverulent at th base. In 
front of the cushi th H ri in other cases four teeth 
are interposed between mets and the cushion ; “in others there are a few 
es gr warts, I have never met wae the rid; ridges fingered as resented in 
the “ Bot. Mag.” 
* 82. 0. hematoxanthum. edd. /. in litt. 
Under this name I have from Prof. Rchb. a sketch of the flowers of a 
said to be near 0. —— but by no means the same, The flowers 
seem to be the size of O. isopterw , but the middle lobe of the lip is almost 
sessile ; the base is “ purplish with yellow calli 
