llci-l ONCIDIUM 



A. PlanLs dwarf, scarcely over S 



in. high. 



B. Labellitm with S equal lobes.38. pumilum 

 BU. Labellum with small lateral 



anda4-parted middle lohe.■^'^. Crista-galli 

 AA. Plants large. 



B. Wings of the column narn.w. 



falcate 4ii. bicallosum 



11. Caveudishianum 



BB. Wings of tin- r.,lili:i,i l!<sl,,l. 



rotund, r.iiifor,,,. ,ir. 



C. Labellum ihuhI nml, . inll, 



triangular hdenit l"h,x..A2. Lanceanum 



iJ. Carthaginense 

 Cf. Lahellum reniform, with 



small blunt lateral lobes.. ii. luridum 



38. pdmilum, Lindl. A small plant about C in. high, 

 without pseudolMillis, iind with oblong, leathery Ivs.: 

 inflorescence ii suiill. lir;iMrli,a panicle, scarcely longer 

 than tlie Ivs.: mikiI- :iim1 )i( rals obovate, yellow, spotted 

 with brown; liiWillinn v. 11. .a-, rounded, trifld. Spring. 

 Brazil. B.M.35SI. B.K.ll:y20. L.B.C. 18:1732. 



39. Crista-galU, Reichb. f. {O. iridlfolium, I,indl., 

 not HBK. ). Lvs. radical, cuneiform-ligulate, 2-3 in. 

 long: fl. -stems several, 1-2-Hd., slightly exceeding the 

 Ivs. : fls. yellow, with few red spots at the base of the 

 segments and labellum; sepals lanceolate, acute; petals 

 oblong, crisp, much wider; labellum large ; lateral lobes 

 oblong-cuneate ; middle lobe divided into 4 lobes, of 

 which the inner 2 are smaller. B.R. 22:1911. — A very 

 small, neat plant. 



40. bicall4Bum, Lindl. Pseudobulbs none: Ivs. large, 

 oblong-lanceolate, keeled, thick and leathery: panicle 

 many-fld., variable in size: (!-■ '-Mti in .1i:\ni.; sepals free, 



obovate, concave; petnN "i' i.ni-.., undulate; all 



rich yellow or honey-i'i i. .1 with cinnamon 



color; labellum with stn.: iimil lobes, and 



a pair of tubercles for :i .i -i ; inhiau- lobe large, 

 transversely expanded, euiarginato, subcordate. Autumn 

 and winter. Guatemala. B.M. 4148. B.R. 29:12. I.H. 

 12:458. 



41. Cavendishianum, Batem. Pseudobulbs none: Ivs. 

 fleshy, broadly lanceolate, 1-1}^ ft. long : scaiie 4 ft. 

 high, erect, with a dense panicle about 1 ft. long: sepals 

 and petals oblong-obtuse, greenish yellow, with bright 

 chestnut spots; labellum yellow; lateral lobes rather 

 large, spreading, rounded, narrowed to a claw; mid- 

 lobe broadly reniform and deeply emarginate. Guate- 

 mala.— Grows very slowly. 



42. Lance&num, Lindl. Pseudobulbs wanting : Ivs. 

 fleshy, oblong, acute, 1 ft. long and about 3 in. broad: 

 scape stiff, erect, branched above and 1 ft. or more in 

 length: fls. 2-3 in. across, numerous; sepals and petals 

 oblong, obtuse, fleshy, concave, yellow, marked and 

 barred with chocolate-brown or crimson; labellum nar- 

 row in the middle, with the 2 lateral lobes forming a 

 hastate base, middle lobe broadly expanded, cuneate. 

 The color of the labellum is variable, usually rose in 

 front, becoming A'iolct toward the base. Summer. 

 Britisli (;„,;, ii:,. r.lf, -M.s.H?. F.S. 18:1842-13. P.M. 

 4:109. It J:7',i. I ;(, 1 1, L'l :iJi:i.-Var.sup*rbum,Hort., 

 is desri-iiH'.i :i, :, ii|.. Th^r vjrirtv. Var. Louvrexianum, 

 Hort. (*'. /.,,,:rr. n.niin,,, li..it.). A var. with yellow 

 fls., prettily sp..tir,l and marbled; labellum yellow at 

 the base, wliilc in tront. 



43. Carthaginense. Swartz.(C>.ff^«c^mfflnn!.Lodd. o. 

 rdseum, Lodd. 1). uuduliUum, Salisb. O. sauijuiu, mi, . 

 Lindl.). Pseudobulbs obsolete: Ivs. solitaiv. oMon-, 



low; sepals and petals oblong-ovalr. ir,-.-. «av.-.l; lal,, 1 

 lum with horizontal, triangular latiial 1uIk-s and a Ian- 

 shaped middle lobe, crimson, with a yellow border. 

 Summer. Trop. Amer. B.M. 3800 (as O. fftmteanum). 

 F.C.3:97 (as O. luridum, var. Senchmanni). 



44. mridum, Lindl. Lvs. elliptical, thick, rigid, dull 

 green, 15 in. long: scape slendf-r, 3 ft. hit.'li, much 

 branched and many-fld.: fls. nearly I'j in. in diam., 

 dark green or olive-green, with imlistinct darker spots; 

 sepals clawed, undulate, crenate, oiitusr-, warttMl on the 

 back, the upper one rotund, the others spatulate-oblong; 



ONCIDirM 



,„.,,,|, u,.-..,.r -Mid villi. in! ■.■■Hi-:: lalii-llum reniform, 



: I v.... -. \.".!- I'M '.,,,>. B.K. 9:727. -The 



|. _:-,, I.,.. -1 '.itt. A var. rbseum, 



111 i . : r. .1 fls., spotted with 



uliii. i.n.l l...r,i, I-. .1 v.iih i.i:...'.. \'ar. guttatum, Lindl., 

 Inis yellow Us. spotted with orange. B.R. 25:10. 



45. Papilio, Lindl. Butterfly Orchid. Fig. 1527. 

 Lvs. oblong, very leathery, olive-green, mottled with 

 puriilish brown, 0-8 in. long: peduncle 2-3 ft. long, flut- 

 tcni-il and jointed, producing fls. several years in suc- 

 <-i-ssi..n: fls. 4-5 in. long and 2% in. across; dorsal 

 sepals and petals erect-linear, with a small lanceolate 

 expanded portion, brown, with bands of yellow; lower 

 sepals lanceolate-falcate, curved downwards, yellow, 

 with heavy bands of brown, labellum pandnrate. usu- 

 ally plane, with the middle lobe rounded, tratisversi^ly 

 broadened, emarginate, yellow, with a broad band of 

 brown around the margin; wings of thecohiinn toothed. 

 Fls. at any season. West Indies. B.M. 279.') and 3733 



1527. Oncidium Papilio (X J^). 



lva,T. limbatum). B.R.11:910. L. B. C. 11:1080. F.S. 

 9:920. P.M.5:175.-Variable in color of fls. and Ivs. 

 Lvs. sometimes green on the upper surface. F.C. 1:12. 

 F. 1842:49. Var. fickhardti, Linden. All parts of the 

 flower very large; sepals and petals golden yellow, 

 barred with red; labellum yellow, with abroad margin 

 of brown. I.H. 30:500. 



u;. Kramerianum, Reichb. f. This specii's is ninch 

 \]k>- <>. I'll I'll in. Pseudobulbs rounded, 4-7-angl(d: 

 stini 1. rrt,.; p.ials and dorsal sepals shorter than in (I. 



■17. Jonesiinum, Reichb. Plants with fleshy, rush- 

 liki. lvs. .1-12 in. hmg and usually hanging downwards: 

 II ^1. ins i; in. to 2 ft. long. II.. I.itj. i I., aiing about a 

 .I../.II lis. 2in. acro.ss: sepal- ,-' :-.l 1. long, wavy, 

 . I. :iiii .-olored, with sepia-l.r.. j ..Ihiin white, 



>. Il..\v at the base, with a 1. .. . i;i,.-. i, -[...i.s near the 

 isthmus; middle lobe large, »uljrinil..i lu, LI lobed, wavy ; 

 lateral lobes toothed. Fls. at various seasons. Para- 

 guay. B.M. 0982. R.B. 15:7. Gn. 31:583 -The hand- 

 .somest of the round-leaved species. 



48 Cebolleta, Swartz. (O. junciYtViHrn, Lindl.). Pscn 

 dobulbs very small, each with a single, terete, obscurely 

 furrowed leaf: lvs. 1 ft. long, spreading, harsh in tex- 

 ture: panicle rigid, erect, about 2 ft. high: sepals and 

 petals nearly equal, obovate, greenish yellow, spotted 

 with red; labellum large, bright yellow; lateral lobes 



