and some chestnut-brown streaks and spots on the disk; four 
series of clavate cartilaginous stalked calli, often with unequal 
and gyrose summits, in four rows from the base to the middle, 
or in rays of two or three, and often one velvety spot in the 
inner rows. Column yellowish, with a whitish anther, trigonous. 
Rostellum long-beaked. <Anther-case rostrate. The infrastigma- 
tical table extends towards the middle of each side in a falcate or 
horn-like process. Column wingless. 
Materials : — Inspection of Dr. Lindley’s type, and copy of his 
sketch; our own sketch; fifteen herbarium specimens. 
Tab. 75.—A middle-sized plant. 1, expanded flower, front view+; 2, 
side view of a flower+; 8, expanded lip+; 4, another+ ; 5, side view of 
column-+ ; 6, front view of the same+ ; 7, side view of the same; anther, 
fallen+ ; 8, pollinarium+.— AH. G. fi. f. 
This small species, which flowers freely, I obtained from Mr. 
Low, of Clapton, who imported it from Mexico. It requires the 
same kind of treatment as the last species, Oncidiwm Lete- 
meyerianum.—W. W. S. 
