O^CIDIUM. 



19 



The plant was properly restored to Oncidium by Mr. Bentham in 

 the Genera Plant arum, and Eeichenbacli's Palumbina must now 

 disappear from the list of genera. 



Oncidium candidum. 

 a, front view ; b, side view of flower ; c, column x 4 ; d, pollinia x 12 ; e, caudicle gland and lower 

 part of pollinia x 12 ; f, side view of gland and part of the caudicle x 40. 



On. carthaginense. 



Pseudo-bulbs none. Leaves coriaceous, erect, oblong, acute, keeled 

 behind, 9 — 12 or more inches long and 2| — 3| inches broad, dull dark 

 green sometimes spotted with red. Scapes 3 — 5 feet long, purplish with 

 numerous short branches each bearing 2 — 5 or more flowers. Flowers about 

 an inch in diameter, with reflexed crisped segments, usually white, more 

 or less blotched with purplish rose ; sepals and petals clawed, oval- 

 oblong ; lip sub-panduriform, the basal lobes oblong, obtuse, the front 

 lobe transversely oblong with a shallow sinus in the anterior margin j 

 crest with five tubercles, of which the central and two front ones are 

 simple, the posterior two complex. Column wings spreading, rose 

 colour. 



Oncidium carthaginense, Swartz in K. Vet. Acad. Stockh. Nya. Hand. XXI. \\ 240 

 (1800). Lin.ll. Gen. et Sp. Orch. p. 201 (1832). Id. Fol. Orch. Oncid. No. 130. 

 Kchb. in Walp. Ann. VI. )). 781. Id. Xen. Orch. I. p. 236, t. 99, No. 3. On. 

 sanguineum, Lindl. Sert. Orch. t. 27 (1838). On. Huntianum, Bot. Maq. t. 3806 

 (1841). On. luriduni Henchmanii, Knowles and Westcott, Fl. Cab. t. 97 (1840). 

 On. Oerstedii, llchb. in Bonpl. 1854. Epidcndruni undulatum, Bot. Mag. t. 777 

 (804). 



