ONCIDIUM. (4) (AuricuLata) MICROCHILA. 
A. AuricuLata. 
All the species of this _— have very large flowers, the —— tint 
of whi ch is cinnamon nye or without a mixture of yellow. eir 
panicles are usually straggling r twining, sometimes a ng to a great 
len _— —— = any are in eallivaGal, meese most of them have been sent 
e by either Warezewicz, or weg, or Mr. Linden’s tease rs. The 
toaigh sachesy: Tip i is an essential dearslaciais, 
1. O.macranthum. ZO. 205. Paxton Hl. Gard., IT. 126. 
Wild in Centra Amurica, common; Guayaquil—hb. Lam- 
bert; Pzrvu—Mathews, 1919; at the foot of Tun nguragua, 
11,0 000 ft. above the sea—Hart weg; descent from anes to 
J aquachi, at 7000 ft.— Jamieson, in hb. Hooker r, (v. 8. sp.) 
Am cent species, with a os aan nicle. Flowers three inches in 
Plbees. Zr “Sols perp sh bro = pele w. Lip purple, with a white 
sisting of a central ke poy two acute reversed teeth on either 
2. O.cordatum, Lindley, Sert. Orch. sub t. 25. Part. J. c. 
Wild in Perv; rocks on the road to Pangoa—Mathews, 
(v. 8. sp.) 
Flo two inch d a quarterin diameter, apparently brown, bordered 
with yellow. Crest consisting — five short acute plates, of which the three 
middle are two-lobed, and the lateral smaller, oblique, and | with a 
ers orm tooth at the base of <r lateral lobe of the lip. It appears to have 
trong twining panicle 
. hastiferum. /chd. f. in Bonplandia, Ap. 15, 1854! 
abelli laciniis lateralibus acinaciformibus dentionlatia 
intermediA lanceolata acuminatd, cristee dente valido acinaciformi 
lamellA utrinque prostraté intrors4, ¢. alis ligulatis obliquis. 
Wild in Perv, near Loxa—W arczewicz. 
O. macranthum. Upper se ovate, wav: ae longer — 
shaped, i oblong, obtuse. Petals o aan somew a ha cordate. a it very 
ws.—Rchb. f. I uve a rons etch of thie f rot the toe whieh 
aaa be distinct row the oth enumerated. A great fleshy 
hooked carina ri ‘from the middle of the lower lobe of tao Ii, 
4. 0, trifureatum. Lindiey, im Ann. N. H., XV. 384. 
Wild in Prru—Hartweg, (v. 8. sp.) 
Flowers la with yellow on the edges of the etals. Lat. sepals t 
“ orsal.. ” Crest consisting of three heady’ tress truncate ribs, of which t on 
lie over the third. _The two wings of the column are fleshy and scymetar- 
shaped, sh ta pair of lancet-shaped ap appendages projecting below them 
. serratum. 
ae 4 03,0" tilingue. Lindley, in Paxton’s Fi, Garden, I. no. 68 ; 
Wild in i. at the sources of the Marafion— Warczewicz, 
vs &. sp. et v. c.) 
se 
