ONCIDIUM LARKINIANUM. 
[PLaTE 405.] 
Native of Brazil. 
Epiphytal. _ Psewdobulbs oblong-obtuse, compressed, ribbed, deep green tinged 
with brown. Leaves mostly in pairs from the apex of the pseudobulbs, lanceolate, 
acute, carinate beneath, some six or nine inches long, and deep green. Scape 
radical, many-flowered, the individual flowers large, measuring upwards of two inches 
across, and very showy; dorsal sepal somewhat ovate, the lateral ones connate, 
ground colour yellow, transversely streaked with bright chestnut-brown, petals 
somewhat clawed at the base, roundish in outline, the centre chestnut-brown with a 
broad marginal border of rich yellow, into which run numerous streaks and spots 
from the centre; lip clawed at the base, deeply bilobed in front, and lobed and 
undulated at the edges, front lobe clear rich yellow, the claw spotted and dotted 
with chestnut-brown, the side lobes small, tipped with yellow. Column short, 
obtuse, furnished with a pair of short yellow wings. 
Oncipium LarkIniANnum, Gower, in Garden, vol. xxxvii., p. 325. 
This. charming plant would appear to be a near relation to the equally 
charming Oncidium Forbesii, O. wpretectum, O. Gardnerianum, and 9. 
Marshallianum—in fact, by its flowers one might be led to suppose that O. 
Gardnerianum and O. Marshallianum had something to do with its parentage, 
as the sepals and petals resemble those of the former plant, and the lip the latter; 
but no indication is found in the pollen masses of its being a hybrid, and indeed 
we are not such believers in natural hybrids as some of our fellow Orchid 
growers appear to be. The plant has only been seen, we believe, in the 
collection of J, Larkin, Esq., by whom it was exhibited before the Committee of 
the Royal Horticultural Society, in the month of March in_ the present 
year, and through whose kindness we are here permitted to lay a figure of it before 
our readers. ; 
Oncidium Larkinianum. is a compact evergreen plant, having ribbed deep 
green pseudobulbs, tinged with brown, some three or four inches in height. 
The leaves are borne mostly in pairs, about eight inches in length, by an 
inch and a half in breadth, and of a rich deep green. The scape figured is 
simple, but since this plate was prepared we have seen another plant flowering in 
Larkin’s collection with a branched spike. The racemes are many-flowered, 
the flowers being large and showy. We only know of this species as 
flowering in the month of March; but the blooms last a_ very long time in 
full perfection. The ground colour of the sepals is yellow barred transversely with 
R eee : 
