and blotches. Lip very fleshy, constricto-pandurate, slightly 
acute, deep purplish violet, with the base of the calli and the 
sides near these yellow. Calli blunt, rounded, two pairs (quadri- 
geminous), with an interjected central one. ‘The anterior disk of 
the lip has some radiating impressions. The column is short. 
The wings rounded, bent downwards, yellow with a purplish limb. 
The infrastigmatical table is yellow, with purplish spots. Anther- 
case conical, blunt. Pollinia on a broad transverse caudieula 
with a transverse glandula. We observed a callosity, with a 
sulcate line on each side of the five calli, on the original speci- 
men in 1856; whether it is constant we cannot say: it has not 
been represented by our artist. 
The specimens out of M. Chantin’s garden are remarkable 
for their long peduncles, two feet long, the one bearing two 
developed short lateral distant inflorescences, the terminal one 
having ceased to flower, the other bearing the lateral inflo- 
rescences still very young and the central inflorescence in flower. 
All the specimens we have seen prove the flowers to develope in 
long intervals one after the other, so that the case represented by 
Mr. Fitch, of five flowers nearly equally developed, may be 
regarded as a very curious anomaly, perhaps due to Mr. Green’s . 
unusual ability in growing these plants (?). 
Materials for description:—The sketches of M. Retemeyer’s 
plant, three herbarium specimens, and the recent inspection of 
the specimen in the Saundersian collection. 
Tab. 74.— A plant, one leaf cut to show its thickness. 1, expanded 
flower; 2, side view of flower; 38, pollinarium, oblique side view. — 
H. G. Bf. 

This species of Oncidium, so very remarkable in the colour 
and substance of its flowers, was sent to me from Mexico by 
Mons. Boucard. It does not flower freely, and is not a vigorous 
grower. It succeeds best in a moderate temperature, suspended 
en a block or in a basket near the light. It must be kept dry 
during the winter, but will bear a moist atmosphere when 
growing.—W. W.S. 
