ONCIDIUM. 
PENTA. MACROPETALA. ( 27) 
* 85, cavatum. indi. in Sert. Orch. sub t. 25. 
EMS oe 1839, hey 150. Pazt. Fl. Gard., I. under t. 21. 
Flowers deep wn in middle. Crest very rugose, 
with 1 a thin vertical plate interposed between the front lateral ridges, 
+ auros| b. f. in Bonplandia, May 1, 1854! 
Wildin Perv; Chachapoyas—Mathews in hb. Hooker ; sources 
of the Marafion— Warezewi wicz, (v. v. ¢. et s. sp. 
Flowers bright yellow with brown stains near‘ the base of the lobes. The 
crest is very convex, excavated i stud ith small white tubercles, 
has rrent la’ m either side of the base, a | =— 
ly be 
distinguished from 0. excavatum. crest is certainly rather different, and 
the flowers perhaps larger and more aeons y arranged. 
* 86. 0. polyadenium. 
O. panicula contracté pyramidali, petalis sepalisq. retusis, 
labello basi circulari undulato denticulato lobo medio subro- 
tundo bilobo latiore, cristé convex seriatim verruculosd anticée 
excavaté lamellis 4 anticis denticulatis decurrentibus, verrucis 
ca segregatis, columne alis obliquis obtusis subemar- 
ee in Peru—W. Lobb, (v. s. sp. comm. dom. Veitch.) 
Living plants were sold for Mr. Veitch at on 
1847, and the species is probably in cultivation. Ina dried state it resembles 
e flowers ger, 
pyra pani e lip, numerous outlying 
lateral teeth, and five rows of little tubercles on the convexity of the crest 
abundantly distinguish it. 
* 87. 0. cardiochilum. 
O. paniculd ramosissimaé intricat& divaricat4, sepalis s petalisque 
acuminatis, labelli pandurati ager: Scie cordatis convexis 
rotundatis intermedio parim lat: reniformi-cordato acuto, 
cristi carinati utrinque tridashvic. col. alis obsoletis buccis 
convexis elongatis. 
Wild in New Grenapa—Purdie; GuateMata—Skinner, (v. 
8. sp. comm. cel. Hooker et Skinner er.) 
e species, = a ag teach Jom vohges ae —— divaricating panicle. 
rupestre 
Flowers as large ontoglossum hastilabium. The 
uatemala form Pea a much Gimner gan but dm not seem to be 
diferent otherwise 
* 88. 0. iricolor. ch. f. in Bonplandia, Ap. 1, 1854! 
Wild i 
Seen in cultivation in the a of Mr. Frege. Said to differ from 
others in ig ee four-toothed velvety crest, and a whitish Hilae colour, The 
deseri long, ed on each side, and tw 
ibed as being oblong, notch ; 0- 
toothed at the end, hence appearing four-toothed. In one place, Mr. Reichen- 
bach tin ol d ; in re 
oe and divaricating. e only —_ I have seen, and an Semnenayts 
it not 
