656 A. CoanIaux: 
longis; bracteis scariosis, anguste triangularibus, acutissimis, 2—3 mm. 
longis; floribus glaberrimis vel vix puberulis; sepalis oblongo-sub- 
spathulatis, acutissimis, dorsali 5—6 mm. longo, lateralibus paulo 
longioribus, fere usque 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- 
strietis, lobo terminali amplo, longiuscule angusteque unguiculato, late 
cordato-reniformi, apice profundiuscule emarginato, margine leviter 
undulato, 13—14 mm. lato, callo basilari 5-tuberculato; eolumna satis 
gracili, 3 mm. longa, alis majusculis, acinaciformibus, acutis, denti- 
eulatis. 
Oneidium tetrapetalum Willd. Spee. IV (1806) p. 112; Lindl. Gen. 
und Sp. Orch. p. 198; Griseb. Flor. p. 631 (part., excl. syn.). 
“Epidendrum tetrapetalum Jaeq. Enum. Pl. Carib. (1760) p. 30, 
Sel. Stirp. p. 230 1.142 et Pict. t. 216, Amer. Gew. t. 256. 
Oymbidium tetrapetalum Sw. Now. Act. Ups. VI (1799) p. 74. 
Oneidium quadripetalum Sw. in Nov. Act. Holm. XXI (1800) 
p- 240. 
Flores albidi vel fuscescentes, roseo-maculati. Fl. et fr. II. 
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 variegatum Sw. foliis satis numerosis, rigidius- 
eulis, carnosulis, lanceolatis vel lineari-lanceolatis, acutis, margine 
cartilagineo-serrulatis, falcatis, saepius conduplicatis, dorso carinatis, 
a8 cm. longis, 6—12 mm. latis; pedunculo communi gracillimo, 
simplici vel interdum leviter ramoso, pluri—multifloro, basi dense 
radicante, 1—4 dm. longo; pedicellis cum ovario 1—1'/, em. longis; 
bracteis tenuiter membranaceis, triangulari-lanceolatis, acuminatis, 
2—4 mm. longis; floribus glaberrimis; sepalis oblongo-spathulatis, 
obtusis, #—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, apic® 
leviter emarginato et saepius apiculato, margine undulato vel sub- 
erenulato, 10—15 mm. lato, erista oblonga, trilobata; columna satis 
cib: 8. ; : . 3 ; a 
ER 2—3 mm. longa, alis majusculis, acinaciformibus, acutis, inte- 
gerrimis, 
