I H9 1 1 



Oncidium bifolium. Two-leaved 

 Oncidium. 



Oafs and Order. 

 Gynandria Monandria. 



Generic Character. 



Cor.±-{. 5-petaIa, patens. Lahellum planum, bad tuberculofum, 

 ^/^r^opercularis, decidua. 



Specific Charafler. 



OXCIDIUM bifolium ; bulbis ovatis fubhexagonis, foliis duobus 

 lanceolatis cannatis. 



Dfsc. Bulbs oval, obfoletely fix fided. Leaves two (or 

 fometimes only one) fcarcely three inches long, lance-fhaped, 

 keeled. Scape rounded, three times longer than the leaves, 

 growing on the outfide of the bulb, betwixt it and its fheath, 

 naked, except a very fmal! bracle at each divifion. Pedi.lts an 

 inch in length and forming right angles with the fcape. Flozi-ers 

 growing in a lax raceme, very beautiful. The three upper 

 lacini* nearly equal ; the uppermost ovate and contracted into a 

 claw: the two lide ones oblong, undulated, fpreading; the two 

 lower lacinia like the upper, but united into one claw ; all of 

 them variegated with yellow and brown. Labellum, or heftary, 

 large, liar, two lobed^ of a moft brilliant light yellow colour, 

 terminating in a flefhy claw, which is furnilhed with two horn- 

 like appendages at the bafe, and tuberculated on the furface. 

 Columna, or Style, turgid in the middle, with a wing like ex- 

 crefcence on each fide, near the upper extremity, on which refts 

 the lid like anther terminating in a brownifh vifcid point; to 

 this point the two lobes of the pollen-mafles are attached by 

 means of a tranfparent pedicle, continued fomewhat beyo.,d 

 them. 



F«r 



