TETRA. MICROPETALA. ( 23) ONCIDIUM. 
tbe at 10,000 ft —Schlim, 1726 ; Soto, Ocafia, &ec., at 7500 
—Hartweg ; e of Assuay, but only on the W. side, which 
to a certain bole As an Fixit with forest trees, at 11 ,000 ft. 
es amieson ; iy ——— s, on trunks of trees, at 
000 ft.—Jamieson, te v. 
ee see variable plant, of which aa I now doubt =r merel Ens a 
form, in which the — pai of three rounded tuberel ee — 
are acute, and there ere a 
three tubercles, the ‘middle one of which is very small, mae the ge Deapaly 
rostrate ; in re are three only, and acute ; in all there is a tuft of hairs 
at the foot of the pig on the crest. The leaves are equally changeable ; in 
ey vary ong to ree _ and in € they are spathulate 
* = colour eae i of the flowers differences are equally abundant. All 
very handsome, most saceslaliy E which is by far the finest Alpine 
Orehid yet discovered. 
* 70. 0. pubes. JO. 199. B.R.¢.1007. B. M. t, 3926. 
O. bicornutum. Bot, Mag. t. 3109. 
Wild in Braztu; in thin forests round the table-land of Bom 
Jesus de Bananal—Descourtilz; Miers, (v. v. ¢. et s. 8 
Flowers small, in a —— — brown edged with yellow, or chiefly 
yellow with crimson streaks sn 
* 71. 0. unicorne. Lindley, Bot. Reg. 1839, mise. 76. 
O. monoceras. Hooker, Bot. Mi 
Wildin Brazit; Minas Geries—Regnell, (cv. v. c. et 8. sp. comm. 
cel. Sonder.) 
Panicle thin, straggling. Flowers small, pale yellow. 
* 72. 0. incurvam. Parker, in B. R. mise. 174, 1845, ¢. 64. 
O. alboviolaceum, Rich. and Gal., Orch. Mex. 
Wild in Mexico ; Talea in the province of Oaxaca, at 4-5000 ft. 
very rare—Galeotti, 5021, (v. v. c. et 8. sp. comm. cel. Galeotti.) 
Flowers small for the genus, white banded with purple, sweet-scented, 
much like those of O. ornithorhync chum 
* 73. 0. bifolium, Sims, in Bot. Mag. $. 1491. BG et 
1845. LO., p. 197. 
Wild near MontEvipEo—hort., (v. v. ¢.) 
This appears to be one of the plants brought to Montevideo by Indians 
= the uae Oe ‘fo ro northward, and petra in that city for the decoration 
ts precise habitat I am unacquainted. Flowers large, 
salon, with ‘ich neon bars on the eiinlai af petsle Raceme nodding, 
8—10-flowered, 
* 74. 0, Martianum. jee in Bot. i sub t, 1920. 
Wild in Braztu; woods in € province of es— Martius. 
