together, ovate or ligulate, or depresso-pyriform, always anci- 
pitous, one-leaved. Leaf cuneate-oblong, bluntly acute, reaching 
one foot in length and two or three inches wide. Flower-stalk up 
to one span high, erect or porrect, strong, greenish white, with 
three to four generally blunt distant sheaths, generally two- 
flowered. Bracts keeled, oblong, acute, much shorter than the 
stalked ovaries. Sepals linear-lanceolate acute. T'epals a little 
broader and undulate. Lip very shortly unguiculate, expanded 
into a blunt quadrilobed blade; the lateral lacinié erecto-cucullate, 
with a keel at the base before the line where it is adherent to 
the base of the column. Colwmn nearly terete, short; border of 
androchniwm erect, generally retuse, slightly toothed; borders of 
trigonous stigmatic hollow protruded; anther-case with a longi- 
tudinal blunt keel. Flowers white, with a yellow blotch before 
the base of the lip. 
Materials :—Inspection of Dr. Lindley’s types; description of 
living plant in Saundersian collection and Hamburgh Botanic 
Garden; sketches of flowers, made since 1858; a great sketch 
made for me by Dr. Lindley; ten herbarium specimens. 
Tab. 127.—The plant. 1, oblique view of column + ; 2, anther +; 
3, pollinarium +; 4, the same, under side. Figs. 2, 3, 4 given by 
Prof. Reichenbach. 
This very fragrant Orchid produces its beautiful flowers very 
regularly when under temperate treatment and grown upon a 
block near the light. My stock of the plant came from two 
sources, Mr. D. Bowman sending it from Columbia, and M. 
J. Linden providing me with a plant from the same country.— 
W.W.S. 
