1132 



ONCIDIUM 



late: scape very slender, G-7 in. llm^, bearing 2-5 fls., 

 each IX in. across: dorsal sepals and petals subequal, 

 lanceolate, pale yellow, blotched with purple-brown; 

 lateral sepals larger, united half-way; labellum large, 

 sulfur-yellow, with a blackish purple callus; lateral 

 lobes small, triangular; middle lobe round-tan-shaped, 

 merabnanous and undulate. Jan., Feb. Organ Mts., 

 Brazil. B.BI. 0194. 



18. cducolor, Hook. (O. unguiculcttiim, Klotzseh). 

 Pseudobulbs small, oval-oblong, slightly furrowed: Ivs. 

 lanceolate: fls. 1-2 in. in diam,, rich yellow, borne on 

 pendulous racemes 1-2 ft. long; lateral lobes united for 

 half their length, smaller than the dorsal .sepals and 

 petals, which are obovate; labellum twice as long as 

 the sepal.s, broad, flat, bilobed, with 2 reddish ridges 

 running down on the base. April-June. Organ Mts. 

 B.M. 3752. I.H. 30:-187. R.H. 1881:30. Gn. 13:111. -A 

 plant of close and compact habit, making one of the 

 most attractive yellow coolhouse orchids. 



A. Labelhim with a large reni- 



form mid -lobe: lateral 

 lobes small or none. 



B. Petals much broader than the 



sepals 19. ampliatum 



20. excavatum 

 BB. Petals and sepals nearly of 

 the same size. 

 c. I'ls. over Z in. across: label- 

 lum large, forming the most 

 conspicuous part of the 



flotver: panicle stout 21. tigrinum 



22. splendidum 

 CC. Fls. medinm-sised, nmner- 

 ous, in long, climbini/ pan- 

 icles. 

 Sepals and petals linear- 

 lanceolate, acute. 

 Fls. white and purple 2.f. incurvum 



, Baueri 



altissimum 

 . sphacelatum 

 , reflexum 

 . Batemannianum 





Sepals lanceolate: petals 

 spatulate 



Sepals and petals linear to 

 oblong, obtuse. 



Color of labellum yellow 



Color of labellum white 



Labellum with the middle 

 lobe variously shaped, 

 rarely reniform, but more 

 so than the lateral lobes, 

 large. 



Fls. rose-colored 



Fls. yellow, various! 

 marked and spotted. 



Crest pulvinate, pubescent 



11. ornithorhynchum 



Crest not piifrinu 

 Apex of I a h I- I I 



2-lohr,l 



Apex of hihrllin, 



late 



Apex of labellum merely 

 emarginate, lateral lobes 

 large. 



.Middle lobe broadly reni- 

 form, clawed 36. 



, Middle lobe not clawed, sepa- 

 rated from the lateral lobes 

 merely by a sharp constric- 

 tion 37. 



Warneri 

 maculatum 



Limminghii 

 cheirophorum 



19. ampliitum, Lindl. Pseudobulbs subrotu 

 pressed, bright green with purple spots, 1 

 blackish purple and wrinkled with age: Ivs. ] 



ONCIDIUM 



long-lanceolate, 9 in. I'hi-: iM>lMn-..'rii.'.- n 

 l-3ft. long, with 1] IIP M ■■,.,,.,'. ., i,,, i, ,,1 ^. 



with red at tin- i., ■ ■ i i i i : 



petals small,, thr r ; : ii 



form, spreading, \v.i\.>. I ' . n,. :mi". . n: 

 base, with two small lak-ral lolics and a pro 

 crest. March-May. Throughout the coast c 

 B.R. 20:1699. -The flowers are produced ii 

 panicles. In var. m4jus, Hort..they are 1 

 large as in the type. F..S. 20:2140. U.C, 

 Gn. 45, p. 491. G.M. 37:470. 



1525. Oncidii 



20. excavatum, Lindl. (O. aurdsum, Reiehb. f. & 

 Warsz. ). Pseudobulbs oblong, compressed, 3-5 in. long: 

 Ivs. i;.j tt, long, leathery, shining green: panicle 3-5 ft. 



li.iii.'. will] ijiiim-rnus lis. IV. in. across, yellow, spotted 



M li!i lii - : i ;.;i; ..Ii>.\ :iir, ,.'in^.'. free; petals oblong, 

 M ,1 ' \ rral broken ridges 



hi : ■ i i ' ' iiiii on the under side; 



nil. I I'.i" i..i.iii.i, . ii.iii ..■nun-. .Nutumn. Peru. B.M. 



:i_':i,;. I il. I,.,. I, Mi-h- i.luuia produce as many as 



■Jl. tiKimum. l.aLhur & Lex. (O. Bdrlieri, Lindl. 



(I. ,f, n, ""„'„/, I, „, I. mill, 1. Fig. ].n25. Pseudobulbs 

 nv:,l, .■.iii,!i-. ..!. •.''..!.: h-n ,.1,1. .„■..- l:,„ffol.atc. thick, 



1 n. I, ,11- . . i.- .... 1, ^i.ii' : Il i..'.li : Hs. 2\ in. 

 an.,.- ; - |. . . ! .. 1,1,., undulate, 



ri,.|i r, ,|.i: ... : :. i. : ., .; : .,1^ ,,f yellow; 



lali,.|linii \,l!.... . ... I 1, .: . . 1 . . . ^ ..iilar-reniforni 



Idade supiii.rtcl ,,i, i, I,, . . . . .i I, ,l,es oblong. 



Winter. Mex. I.H. 1 ::J : L'J : i I'l > '. ,7, R.H. 1889, 

 p. 176.— Very mucli Iik, <' ii,, 111 which it 



differs by the longer claw ,,t ih, Lil, lliin, Laving a thick 

 keel, and the oblong lateral lobes of the labellum. Both 

 are among the most showy Oncidiums in cultivation. 

 Var. grandiildrum, Hort., is advertised. 



22. splendidum, A. Rich. Pseudobulbs small, round, 

 compressed, 1-lvd.: Ivs. leathery, oblong-ovate, G-12 in. 

 long: fl. -stalk erect, 2 ft. long: fls. 3 in. across; sepals 

 and petals similar, lance-oblong, acute, recurved, yellow- 

 green, with broad brown bands; labellum very large, 

 yellow, the broail I'lnw of the middle lobe expanding into 



obes 



aall. 



Spniii;. (li.Mi,.ln:il:i :i,i,l .M,.v. I!. M. 5878 as (O.tiqri- 

 inuH. \:,r. .^Iih u,l',<lii„i). |.-,s. 1,S:1825. Gn. 51:1121. 

 K.r.. 17:l(i,s. 11.0.1871:112; 111. 3:108. 



J::. incurvum. Barker. Pseudobulbs ovate, compressed 

 ami riliheil. 2 in. long: Ivs. 9 in. long, cnsiform, acute: 

 lianiih' 2-:'. ft. long, slender, much branched and grace- 

 fully ar,,|i,.,l: lis. m in. across, numerous; sepals and 

 petals liieai- 1:111, -eol.-it,,. undulate, white, banded with 

 purple; lal„lhn,i whit,., with a purple blotch; lateral 

 lohes r,,iiiii,l. ^inill: ii i iiliUe lobe subreniform, concave. 

 Hears iiuiiii.r,,i.- |,aoi,l,s in autumn. Mex. B.M. 4824. 

 B.R. 31:04. I.H. 2:49; 29:444 (white variety). 



24. Bafteri, Lindl. {0. altissimum, Lindl.). Pseudo- 

 bulbs oblong, compressed: Ivs. ensiform, rigid, keeled: 



fhes 



mgy 



