ONCIDIUM. ( 22 ) TETRA. MICROPETALA. 
Of this I have only seen a seating with half-a-dozen densely packed 
flowers, less than an inch in diamet 
* 67. 0, aureum. Lindley, Sert. Orch. sub : 
Odontoglossum festatum. Achb. f. in Bonpl., A ! 
Lip as broad as long. Crest of two vertical tas, Pome in the 
middle, with five slender intermediate equidistant t 
(B) stenochilum. Lip longer than nana Coot 2 two vertical plates, 
marginate in the middle, with an intermediate tooth. 
Odont. hemichrysum, Rchb.f. in rth Fe 15, 1854! 
Wi - “3 Perv; A, high mountains near Andimarca—Mathews, 
; B, sources of the Mara hon: Wirtatvics, (v. s. sp. A, 
in Bh Hooker ; B, comm. cel. inventor 
glumaceous, Poe rs one inch and a half apart, in an erect, loose, 
stim panicle Baa a> with a golden yellow lip, and mtbarsgaat ‘sepals, 
= st be in pide good healthy specimens having been sold 
prisons in 1853. The differences in the crest and form of lip reeds 
ws two varieties are very remarkable. 
* 68. 0, decipiens. 
O. iridifolium. Lindley, in Bot. . t; 8 
Wild in Mexico; near Oaxac 000 ft. eee iil 
Gvaremaza—Skinner in hb. Hooker (v. v. c. et 8. sp. ci 
cel. Galeotti.) 
Very much like “ tridifolium (no. 26) from which it differs in havin 
flat leaves, a crest of five _ rounded plates instead of a deep middle tooth 
with concaye appendages on each side, and an additional toothlet on the outer 
edge, in in the petals being “a small, not as leng as the side lobes of the SP, 
n the wings of the column being merely eroded, not coarsely toothed 
* 69. 0. cucullatum. Lindley, Sert. Orch. sub t. 21. Pact. 
Fl. Gard. t. 87. 
(A) Bn Raceme many-flowered, nodding. Lip violet spotted 
with purple, with small auricles. Sepals and petals deep Sot 
(B) sir ape ome Raceme few-flowered. Lip rose-colour, crenu- 
lated, spotted with crimson, with gard =a than the middle lobe. Sepals 
and petals green, with a few crimson 
Leochilus sanguinolentus. Lindley, in Bot Reg. 1844, misc. 91. 
(C) spathulatum. ae = Lip —— only 
at the base, which is narrower than the middle Sepals and petals 
(D) nw bigenum, Raceme few-flowered, erect. Lip narrow at the base, 
with a wat pete and nearly sessile middle division, without spots, as well as the 
0. somone LO. p. 197. 
Raceme = 3 
(E) mechan — a ee flowered, very flexuose. Lip whole 
Wild in Perv and New Grenanpa; A, inthe province of Mari- 
quita, : the hee of Quindiu, at the height of 8700 ft., 
where it is called Hierba Buenal and La Mesa—Linden 
its ete of trees on the western declivity of Pichincha 
—Jamieson ; Soto, at 6000 to 7500 ft—Schlim, 1004 
