656 A. CoGXiAux: 



longis; bracteis scariosis, auguste triangularibus, acutissirais, 2 — 3 mm. 

 longis; floribiis glaberrimis vel vix puberulis; sepalis oblonge -siib- 

 spathiilatis , acutissimis, dorsali 5 — ^6 mm. longo, lateralibns paiilo 

 longioribus, fere iisque ad apicem connatis; petalis anguste obovatis, 

 subabrupte apiculatis, 7 mm. longis, 3 — 4 mm. latis; labello sessili, 

 basi breviter lateque cuneato, 11 — 12 mm. longo, profunde trilobato, 

 lobis basilaribus elongatis, linearibus, obtusis, inferne leviter con- 

 strictis. lobo terminali amplo, longiuscule angusteque unguiculato, late 

 cordato-reniformi, apice profundiuscule emarginato, margine leviter 

 undulato, 13 — 14 mm. lato, callo basilari 5-tuberculato; columna satis 

 gvacili, 3 mm. longa, alis majusculis, acinaciformibus, acutis, denti- 

 culatis. 



Oneidium tetrapctalnni Willd. Spec. IV (1806) i).112; Lindl Gen.l^ 

 and 8p. Orch. p. 198; Griseb. Flor. p. SSI (pari., excl. syn.). 



Ejndendrnni tetrapptcdum Jacq. Emmi. PL Carib. (1760) p. .'W, 

 Sri. SHrp. p. 230 f. 142 et Fiel t. 216. Awer. Gew. t 256. 



Cymbidhnn frtrapetalum Siv. Kor. Act. Ups. VI (1799) p. 74. 



Oncidnmi quadripetalirm Sw. in Nov. Act. Holm. XXI (1800) 

 p. 240. 



Flores albidi vel f uscescentes , roseo-maculati. Fl. et fi'. III. 



Hab. in Jamaica supra arbores: Macfadyen, March n. 1263, in 

 Mona alt. 300 m.: W. Harris in Herb. Bot. Dep. n. 8117. — Mexico, 

 Columbia. 



456. Oneidium yariegatum Sw. foliis satis jiumerosis, rigidius- 

 culis, carnosulis, lanceolatis vel lineari-lanceolatis, acutis, margine 

 cartilagineo-serrulatis, falcatis, saepius conduplicatis, dorso carinatis, 

 4 — 8 cm. longis, 6 — 12 mm. latis; pedunculo commnni gracillimo, 

 simplici vel interdum leviter ramoso, pluri — multifloro, basi dense 

 radicante, 1 — 4 dm. longo; pedicellis cum ovario 1 — l^o cm. longis; 

 bracteis tenuiter membranaceis, triangulari -lanceolatis, acuminatis, 

 2 — 4 mm. longis; floribus glaberrimis; sepalis oblonge -spathulatis, 

 obtusis, 4 — 6 mm. longis, lateralibus saepius usque ad apicem con- 

 natis; petalis anguste obovato-cuneatis, leviter undulatis, apice retusis 

 et minute apiculatis, 6 — 8 mm. longis; labello sessili, basi subtruncato, 

 9 — 12 mm. longo, profunde trilobato, lobis basilaribus breviusculis, 

 ovato - oblongis , apice rotundatis, leviter retrorsis, lobo terminali amplo, 

 longiuscule lateque unguiculato, transverse oblongo-reniformi, apice 

 leviter emarginato et saepius apiculato, margine undulato vel sub- 

 crenulato, 10 — 15 mm. lato, crista oblonga, trilobata; columna satis 

 gracili, 2 — 3 mm. longa, alis majusculis, acinaciformibus, acutis, inte- 

 gerrirais. 



