Orchidaceae, 653 
Oneidium dubium Ed. Andre in Ill. Hort. (1878) p. 184 cum ie. 
Sepala virescentia; labellum petalaque alba, rubro-variegata. 
Hab. in Jamaica supra arbores: Swartz, Macfadyen, Purdie, 
Wullschlaegel, March n. 1232, Morris n. 2286, Dr. Longstaff, ad Belvi- 
dere: W. Harris in Herb. Bot. Dep. n. 7647. 
451. Oneidium urophyllum Lodd. foliis pluribus, carnosulis, 
lineari-ensiformibus, acutissimis, margine integerrimis, fere condupli- 
catis, dorso acute carinatis, 10—16 cm. longis, 6 —10 mm. latis; pe- 
duneulo communi gracili, superne paulo ramoso, laxiuseule multifloro, 
4—6 dm. longo; pedicellis cum ovario 11/;—2 cm. longis; bracteis 
tenuiter membranaceis, anguste triangularibus, 3—4 mm. longis; sepalis 
acutissimis, 5 mm. longis, 1'/,;, mm. latis, dorsali lineari-subspathu- 
lato, lateralibus fere usque ad apicem in valvam lineari-ligulatam con- 
natis; petalis obovato-oblongis, apice subabrupte acutissimis, 5—51/, mm. 
longis, 3 mm. latis; labello glabro, sessili, 15—16 mm. longo, basi 
subrotundato 12—13 mm. lato, profunde trilobato, lobis basilaribus 
parvis, anguste ligulatis, apice rotundatis, Jobo terminali amplo, longius- 
cule lateque unguiculato, late reniformi, basi distincete cordato, apice 
satis emarginato, margine vix undulato, 17—20 mm. lato, basi crasse 
cristato, eristae tuberculis 2 uno ante alterum trilobis; columna satis 
gracili, 2—21/, mm. longa, alis magnis, obtuse dolabriformibus, mar- 
gine integerrimis vel vix undulatis. 
Oneidium urophyllum Lodd. ex Lindl.! in Bot. Reg, XXVIII 
(1842) t. 54; Cogn. in Mart. Fl. Bras. III. 6 p. 435. 
Onerdium tetrapetalum (part.) Griseb.! Flor. (1864) p. 631 (non 
Willd.). 
Flores lutei, sepalis petalisque inferne castaneo-fuseis. 
Hab. in Antigua: Wullschlaegel, Bradford. — ? Brasilia. 
452. Oneidium intermedium Bertero: foliis satis numerosis, 
coriaceis, lanceolato-ligulatis, acutissimis, margine tenuiter denticulatis, 
saepius conduplicatis, 5—10 cm. longis, 7—18 mm. latis; pedunculo 
communi satis gracili, simpliei vel superne satis ramoso, laxiuscule 
pluri—multifloro, 3—7 dm. longo; pedicellis cum ovario 12—-20 mm. 
longis; bracteis scariosis, triangularibus, 3—5 mm. longis; sepalis 
oblongo-spathulatis, apice subrotundatis et saepius minute apiculatis, 
5 mm. longis, lateralibus saepius fere usque ad apicem connatis; pe- 
talis ambitu late obovatis, obverse panduratis, apice leviter emargi- 
natis, margine leviter undulatis, 7—8 mm. longis, 8—10 mm. latis; 
labello glabro, sessili, 11—12 mm. longo, profunde trilobato, lobis 
basilaribus parvis, oblongis, obtusis, lobo terminali breviter ungui- 
culato, transverse oblongo-reniformi, basi leviter cordato, apice pro- 
