Page:Curtis's Botanical Magazine, Volume 58 (1831).djvu/154

 whitish, streaked with green, the extremity brown. Two lower segments combined for half their length, so as to form one erect, green piece, about equal in length to the rest of the flower, and having two acuminated and rather spreading segments. Labellum lanceolate, erect, reddish-green, having at its base a penicellate appendage pointing downwards. Columns erect, greenish, with two broad, white wings occupying the upper half, and standing forward, projecting into a blunt lobe at the base, and at the extremity into a subulate lobe. Anther sessile, inserted between the two upper lobes of the wings, two celled, each cell bearing two flattened pulverent pollen=masses.