ONCIDIUM. 



ORCHIDES. 737 



In Drazil. Von Mariiiis. 



A beautiful yellow species with a scape 2 feet high; it rescmblcs in general ap- 

 pearance 0. anipliatuni. B. R. X.\III. 1837. sub 1920. 

 0. bicoJor Lindl. Dot. Reg. XXIX. 66 : ^ 



Pseudobulbis ovalibus compressissimis utrinque Iricostalis, folio soli- 

 tario oblongo sessili striato, panicula divaricala , sepalis lateralibus 

 basi connalis petalisque ovatis acutis, labello maximo bilobo, disci tu- 

 berculo hastato tripartito, columnae aUs rotundatis dentatis. 



Spanish Main. Loddiges Cat. 1243. Flowered 1842. Sept. AfQnity 0. bifoiium. 

 Perigonium sulphureum purpureo pictum labello e.\lus albo. 

 Lindl. Orchid. Lind. p. 14: ,,not in herb. Linden." 



75. ONCIDIDM MACULOSDM Lindl. in Bot. Reg. sub t. 1920. L. F. p. 24: 



Leaves iwo. lanceolate, four to five inches long. Scape nearly two feet high, wiih 

 a small, somewhat panicled raceme. Lip about an inch broad. 



Wild in Brazil; in the province of Mines— Martius. 



Descriptio Lindleyi: Pseudobulbis ovalibus compressis, foliis lanceolatis aculis, 

 scapo stricto maculoso apice paniculato, sepalis ovalibus aculis rene.\is . lateralibus 

 basi connatis , petalis oblongis oblusis , labello maximo basi pubescente obsolete 

 quadrilobo reniformi, laciniis lateralibus minimis auriculaelormibus , crista oblonga e 

 tuberculis pluribus digiliformibus constanle, columnae alis inferioribus truncalis, su- 

 perioribus falcatis integerrimis majoribus. 



Brazil. Von Martius. 



A fincspec. in tbe way of Oncidium bifolium. 



Lindl. Scrt. 48 : In the way of Oncidium bifolium , but wiih an erect slighlly 

 branched raceme. It has flowered with Mr. Barker of Birmingham. 



76. ONCIDIDM BLANCIIETI Rchb. fll. io Linnaea XXII. 1845. L. F. p. 24: 



A grass-leaved plant, wiih a close cylindrical erect raceme of small flowers. 

 Bracts somewhai glumaceous, not more than one line and a half asunder. The crest 

 consists of flve excessively rugged tortuous lines near ihe base, as many shorter and 

 broad-ended oncs of ihe same character in front, and a couple of little tubercles at 

 a short distance on each side. 



Wild in Brazil; Bahia-I]lanchet, 3343, (f. Rchb.) ; Minas Geraes— Widgren, 772. 



Cf. VValp. Ann. III. 555. 



77. ONCIDIDM VIPERINDM LO. p. 197. L. F. p. 24 : 



0. confragosum Lindl. in Bot. Reg. 1838. Misc. 92. 



Lip mucb smaller , than in 0. bifolium , and the crest quite differcnt. Flowers 

 pale straw-colour. Misled by Gardcn inaccuracy I was led to make out of ihis anoiber 

 species, 0. confragosum, falsely said to be Mexican. 



Hook. B. J. I. 13: Lindl. : Anoiher species was accidcntly mixed up with iho Po- 

 ruvian Orchideae, and iherefore, we insert it from Mrs. Lindley's MSS. in a note: 



0. vip. Diagn. sequilur = LO. 107. ,,Gen. et Sp. Orch. part. 8 ined." 



Only found on ihe back of very old trees and requires more nourishment than 

 any of ihe other species. Paraguay. Mr. Tweedic. 



Oncidium confragosum Lindl. B. R. XXIV. (1838.) Misc. 92: 



Pseudobulbosum , scapo simplici glaucescente apice nutanle, sepalis ovatis acurai- 

 nalis undulalis laieralibus semiconnatis , pclalis majoribus oblongis undulatis acutis, 

 labelli lobis lateralibus nanis recurvis intermedio unguiculato altc bilobo subangulalo 

 reniformi disco maximo digitalo confragoso, columnae alis rotundalis denliculalis. 



A nat. ofMexico, imp. George Barker , Esq. Flowers just the samc colour as 

 0. slramineura, forwbich ihc spec. might be mistaken upon a casual cxaminaiion. The 

 colour is a vory delicate straw, faintlv spotled with pale purple. 



^'- ■ 93 



