ONCIDIUM. 



tnilliform with a cordate base, the lateral two ovate, ohtuse ; petals 



similar to the lateral sepals but smaller Avith a shorter claw, more 



undulate and reflexed at the apex, light yellow barred with brown on 



the basal half ; lip phun-purple, " trulliform, auricled, shortly clawed 



Avith a raised tubercled yellow fleshy crest towards the base and a 



prominent acute tubercle on each auricle." Column yellow and broAvn 



Avith a small ascending auricle on each side of the stigma. 



Oncidium superbiens, Rchb. m LinnEea, XXII. p. 843 (1848). Id. in Gard. Chron. 

 1872, p. 904. Lindl. Fol. Orch. Oncid. No. 9. Bot. Mag. t. 5980. Williams' Orch. 

 Alb. VI. t. 276. On. undulatum, Williams' Orch. Alb. VIII. t. 368 (not of Lindl.) 



Oncidium superbiens. 



One of the handsomest of the Miceochila OncidSj almost rivalling 

 the handsome On. macranthum in the size and varied colouring of 

 its flowers. It is a native of the eastern Cordillera of New Granada 

 at 8,000 — 9,000 feet elevation; it was first detected by Purdie, 

 about the year 1843^ on Santa Martha, and by Funck and Schlim 

 between Pamplona and Ocana, in 1847. It was introduced by us 

 in 1871, and flowered for the first time in this country in our 

 Chelsea nursery in the spring of the folIoAving year. 



On. tectum. 



Pseudo-bull )S Ijroadly OA^oid, compressed, an inch long, diphyllous. 

 Leaves linear-ligulate, acute, 3 — 5 inches long. Peduncles slender, 



