( 3890 ) 
ONCIDIUM MONOCERAS. ONE-HORNED 
ONCIDIUM. 
KEKE EEE EERE EERE REE EK 
Class and Order. 
GynanpriA Monanpria. 
( Nat. Ord.—OrcuineEz. ) 
Generic Character. 
Labellum explanatum, lobatum, basi tuberculatum. Pe- 
tala patentia (2 antica nune connata). Columna alata. 
Masse pollinis 2, postice biloba ; medio affixe processu 
communi stigmatis. Br. 
Specific Name and Character. 
Oncipium monoceras ; pseudo-bulbo oblongo compresso 
suleato uni-bifolio, foliis oblongo-lanceolatis coriaceis 
nitidis, floribus paniculatis, sepalis (viridibus) lanceo- 
latis inferioribus coadunatis, petalis obovato-spathu- 
latis, labello trilobo disco cornu elongato sursum cur- 
vato, columna gracili elongata aptera. 
This is one of the many species of small-flowered Oncipra 
which, at first sight, seem to have little that is beautiful or | 
singular to recommend them; but which, when carefully ex- _ 
amined, will be found to possess a very remarkable structure — 
in the flowers. The present exhibits on the upper side of 
the disk of the labellum a solitary horn, curved upwards, 
and almost as long as the lip itself. It was sent by Mr. 
Hunt from Rio Janeiro to His Grace the Duke of Beprorp, _ 
in September, 1839, and it flowered in great perfection in- 
January of the following year, when the specimen here 
figured was sent tous by Mr. Forzes. This is not, indeed, 
the only specimen we are acquainted with furnished with 
this horn-like process from the lip: we possess the drawing 
of 
