PAXTON'S 
MAGAZINE OF GAEDENING AND BOTANY. 
ONCIDIUM EIGBYANUM. (Mr. R.-gby s Oncld.) 
Class, Gynandria. Order, Monandria. Nat. Order, Orchidace/e (Orchids, Veg. Kingd.) 
Generic Character. — Perianth showy. Sepals often 
undulated, lateral ones often connate with the lower part of 
the labellum. Petals similar. La&eWwm very large, spurless, 
continuous with the column, variously lobed, tubercled or 
crenulated at the base. Column free, semi-cylindrical, 
winged at the top on both sides. Anthers usually two-celled ; 
rostellum sometimes shortened, sometimes elongated and 
beaked. Polle^i-masses two, furrowed behind ; caudicula 
plain ; gland oblong. 
Specific Character.— PZan^ an epiphyte. Pseudo-bulbs 
something cylindrical, three inches long. Leaves two or 
three on the summit of each pseudo-bulb, erect, lanceolate. 
Flowers paniculate. Scape one foot long. Sepals and Petals 
bright lemon-yellow, varied in the centre of each, with 
numerous dark-brown spots. Labellum large, spreading, 
two-lobed, somewhat curled at the edges, bright-yellow, 
spotted with dark -brown. 
Authorities and Synonymes. — Oncidium, Swartz. On- 
cidium Rigbyanum of the Nurseries. 
This new Oncid was purchased by Mr. Henderson, of Pine- Apple Place, London, at a 
sale of the Nursery stock of the late Mr. Rigby, a plant-grower at Brompton, and is known 
in the nursery of the above-named gentlemen as Oncidium Rigbyanum. 
