46 ONCIDIUM. 



flowered. Flowers 1^ inches in diameter, sepia-brown with a metallic 

 lustre, the sepals and petals with a narrow straw-yellow margin, the 

 crest also straw-yellow but sometimes white ; sepals and petals clawed, 

 the margin crisped and undulated ; dorsal sepal orbicular, the lateral two 

 oval-oblong ; petals broadly oval ; lip narrowly oblong with the lateral 

 margins revolute and the apex reflexed ; there are two curved auricles 

 at the base below the crest, which is a thickened tritpietral plate 

 toothed in front. Column wings very narrow. 



Oncidium insculjitum, Rchb. in Gard. Clirou. 1872, p. 1035. 

 A remarkable species introduced by Messrs, Backhouse from 

 Ecuador^ which flowered for the first time in this country in the 

 collection of the late Mr. John Day, at Tottenham, in 1872. The 

 labellum is very peculiar both in form and colour; the side lobes 

 are small and reflexed so as not to be visible from the front ; the 

 middle lobe is covered vrith numerous warts, and its reflexed apex is 

 of a greyish blue colour, a tint not to be seen in any other 

 species of Oncidium yet introduced ; the prominent crest somewhat 

 resembles a Roman nose. We are indebted to the Royal Gardens 

 at Kew for materials for description. 



On. Jonesianum. 



Pseudo-bulbs none. Leaves as in Oncidium Cebolleta, from which 



this species cannot be distinguished when not in flower. Peduncles 



15—20 inches long, pale green mottled with purple, racemose, 10 — ^15 



flowered. Flowers 2 — 3 inches in diameter; sepals and petals obovate- 



oblong, undulate, yellowish white spotted with chestnut-brown ; lip 



clawed with two yellow and red auricles at the base of the claw, the 



blade transversely oblong with a deep sinus in the anterior margin, 



undulate, white with some red spots in front of the crest which 



consists of a broad central ridge with lateral processes at each end 



much tubercled. Column wings oblong, white dotted with red. 



Oncidium Jonesianum, Rchb. in Gard. CLron, XX. (1883), p. 781. Bot. Mag. 

 t. 6982. Williams' Orch. Alb. IF. t. 183. The Garden, XXXT. (1887), t. 583. 

 Lindenia II. t. 72. Godefroy's Orclddophile, 1886, p. 50. Kegel's Gartenfl. 1888, 

 t. 1272. 



SUb-Vars.— /aye?is {Orch. Alb. VIII. t. 360), sepals and petals pale 



yellowish green spotted with yellow, lip wholly white ; ^)7^(ea?i7'/«w?i 



(Reichenhachia I. t. 21), sepals and petals reddish brown, the front lobe 



of the hp wholly white. 



By far the handsomest of the small group of Oncids (TBRETiroiiiA) 



to which it belongs, and indeed one of the most attractive in 



the genus. It was introduced by Mr, Horsman, of Colchester, in 



1883 through M. Saint Leger, a Brazilian plant collector of French 



