738 ORCHIDES. 



ONCIDIUM. 



78. ONCnilLi.M DISCIFERUM Liiuli. Fol. p. 24: 



0. folio oblongo apiculalo, scapo a basi paniculato pnnicula pyra- 

 midali, sepalo inferiore bilobo, petalis obovalis acutis, labelli lobo inedio 

 subrotundo-reniformi apictilato latejalibus semicircularibus, crisla oblonga 

 discoidea deutibus 3 anteposilis aliisque minutis circumstantibus, co- 

 himnae alis minulis triangulis obtusis sub lente pruinosis. 



Whole plant a foot high. Pseudolniibs oltlong', ril)Iie(J. Flowers apparently wiih 

 a yellow lip, and olive-green whole-coloiired scpnls and pctals. 



Wild in Bolivia— llrid^es. 



79. ONCIDIUM VARICOSUM Lindl. in Dot. Reg. siib 1920. Journ. of Ilort. Soc. V. 143. 

 Lindl. F. sub p. 24: 



A glaucous sirong-growing species , of considerable beauty. The leaves are firm 

 and ligulate-lanccolalc. The .«capes , wbich are strong, very glaucous , and about 

 tbrec feet long. have a great branching panicle , loaded with froin eighty to ninety 

 large showy flowcrs. The sepals and pelals are pale dull green banded witb duU 

 brown. The lip is large, very bright yellow , with two ovate lateral ears somewhat 

 crenate in front, and a four-lobed middre lobe. The crcsl consists of two triple 

 teelh, onc standing bcforo llie olher, and of a little ring of varicose veins placed 

 on each side of it. Tlie w^ngs of the column are oblong, whole coloured, and finely 

 notchcd. 



Wild in Drazil— Prince Max. of Wicd Neuwied in lib. Marlius. 

 Lindl. D. R. 1. c. : 



Pseudobulbis subtetragonis dipbyllis, foliis rigidis spalhulato-lanceo- 

 latis, scapo gracili pyramidali subsimpliciter racemoso brevioribus, flori- 

 bus distanlibus petalis sepalisque quorum lateralia seiniconnata acutis 

 rellexis, labello maximo subrotundo obsolete quadrilobo, lobis laterali- 

 bus rotundatis crista postice tridenlatis fornicala antice cuneata varici- 

 bus venarum in poslicis conHuenlibus circumdata, alis superioribus co- 

 lumnae rolundatis denficulatis, inferioribus inlegerrimis. 



Brazil. Prince Maximilian of Wicd Neuwicd. — A line species in ihc way of 0. bi- 

 folium, but wiih large spreading compuned racemes. 



Sert. sub 48 : alis columnae roiundalis denliculalis. Flowcrs appcar wholecolou- 

 red. — G. Cbronicle 1850. 168: = Oncidium Liinaeanum. 



Lindl. Paxt, I. 106 Lindl. Journ. et Hort. soc. V. 143: Scapes covcred wilh a glau- 

 cous bloom. Flowers bright yellow. Considerable beauty. Lcaves firm , ligulate lan- 

 ceolate; srape slroiig, about 3 feet long , panicle wiih 80—90 lar^c flowers. Sepals 

 and peials are paie dull grecn banded wiih dull brown. Lip is large , very bright 

 ycllow , wilh 2 ovate Kilcral car.'*, somewbat crcnaic in fiont, and 4 lobed cenlia 

 portion. Crest consists of 2 triple leelh one standing beforc ibe oiher, and of a liltlc 

 ring of varicose veins. placcd on eacl» side. Wings of coluinu arc oblong, wholc co- 

 loured, fjncly notched. 



Lcmaire Jard. FI. tab. 206. 207. 



80. ONCIIJIUM ISOPTERUM Lindl. in Bot. Rcg. sub t. 1920. L. F. p. 25: 



Tbis should be re-examincd. My skctch of thc original spccimen represent-i a 

 plaiit wilh two recurved chanellcd lcaves about ibrec inchcs long, a scapc about five 

 inches long, vvbere it forks inio two uncijual llcxuose raccmes. Tlie llowcrs are vcry 

 like iliose of 0. flexuosum , except in ihe crest, which secms to be formed of onc 

 grcat; central tooth and sevcral smaller oiics on cach side , wiihout any pulverulent 

 cusbion al ihe base. Tlie sepals are acule, not obluse, and tbe wings of the coliimu 

 whicli are rour.dcd. as in 0, nexuosuni , are of nearly ihe saine size as the two 

 chceks at the bose of (he column , v^hich orc thcmselves, in tbe origiual deQaiuou, 

 called additioaal \ving.s. 



