ODONTOGLOSSUM 



ODONTOGLOSSUM 



2323 



lower half of the segms. Autumn. Costa Rica. G.C. 

 1865:1082; 11.25:269. F.S. 17, p. 78. Resembles 

 a small pale 0. grande, but fine for summer flowering. 



5. Insleayi, Lindl. ,)ntidium Insleayi, Barker). Lys. 

 leathery, oblong, shorter than the raceme: fls. 3^-4 in. 

 across, yellow, spotted with brown, borne in a stiff, 

 erect raceme; sepals and petals oblong, undulate, nearly 

 equal; labellum shorter, ovate, retuse, sagittate and 

 tuberculate at base, orange-yellow, spotted with red- 

 dish brown. Oct.-Dec. Mex. F.S. 1:49. Gt. 39, p. 

 474. Free-flowering. Resembles 0. grande. Var. 

 splendens, Reichb. f. Fls. larger, labellum and segms. 

 clouded with brown, yellow only at the tip. Gn. 

 25:148. G.C. II. 25:305. Var. leopardinum, Hort. A 

 highly colored form : segms. pale yellow, heavily barred 

 with chestnut-brown. R.B. 14:61. 



6. Coradinei, Reichb. f. (0. Lindleydnwn, Reichb. f. 

 & Warscz. x O. crispum, Lindl.). A supposed natural 

 hybrid with the habit of O. crispum. Raceme arching, 

 few-fld.; fls. stellate, 3 in. across, dark sulfur-color, 

 with few chestnut-brown spots; sepals and petals 

 oblong, acuminate, undulate; labellum shorter, oblong- 

 acute, whitish, with a large oblong red-brown blotch 

 near the center and several smaller ones on the disk; 

 crest 3-toothed on each side. Winter. Colombia. 

 G.C. 1872:1068; 11.24:200; 25:269; 111.25:315 

 Resembles O. triumphans, but of more slender growth. 

 Var. superbum, Hort. A more robust variety with 

 richly colored fls.: panicle much branched, 2 ft. long. 

 Mex. Var. grandifldrum, Reichb. f . Fls. yellow, blotched 

 and spotted with dark brown, large and handsome. 

 Colombia. 



7. Lindleyanum, Reichb. f. & Warscz. Lvs. linear: 

 raceme lax; fls. 2-3 in. across, thin; sepals and petals 

 yellow, blotched and striped with brown; lateral lobes 

 of the labellum small, white, with purple spots; middle 

 lobe red-brown, tipped with yellow. Spring. Colombia. 

 A variable species, supposed to be the parent of many 

 hybrids. 



8. l&teo-purptlreum, Lindl. Lvs. ensiform, narrowed 

 at base: fls. showy, 2-3 in. across, in a robust horizontal 

 raceme; sepals ovate-oblong, undulate, brownish purple, 

 with a yellow margin; petals similar, toothed and 

 spotted with purple-brown; labellum quadrifid, cor- 

 date or oblong, fimbriate, yellow, spotted with purple 

 and rose; crest on the claw pectinate. Winter and 

 spring. Colombia. G.C. II. 21:585. G.W. 2, p. 611. 

 -Owing to its wide geographical scope, this species is 

 extremely variable. A very mixed progeny has resulted 

 from the crossing of this with other species, and the 

 intermixture of the descendants. Var. radiatum, Hort. 

 (O. radiatum, Reichb. f.). Sepals and petals narrow, 

 yellow, heavily spotted with dark brown; labellum 

 expanded in front, white, shading into a brownish 

 blotch at base. G.C. II. 25:76, 140. Var. crispatum, 

 Reichb. f. Front half of the labellum convolute into 

 deep folds, fimbriate. G.C. III. 5:233. Not advertised. 

 Var. sceptrum, Reichb. f . Sepals creamy yellow, barred 

 and washed with brown; petals broader-toothed, densely 

 spotted with brown; labellum whitish. I.H. 18:73; 

 37:99. Not advertised. Var. hystrix, Hort. (O. 

 hyslrix, Hort.). Labellum much fringed, and crests 

 very spiny. 



9. facetum, Reichb. f. (0. Hdllii, Lindl. x 0. liiteo- 

 purpureum, Lindl.). Natural hybrid: sepals lanceolate, 

 straight, light yellow, with very large cinnamon-colored 

 blotches; petals lanceolate, straight, finely toothed, with 

 numerous small spots; labellum almost circular, short, 

 finely fringed, convolute, undulate, light yellow, with a 

 semicircle of radiating keels, some of which are fringed 

 and in front of which is a horseshoe-shaped spot. 



10. hebraicum, Reichb. f. (0. cristatum, Lindl. x 0. 

 cirrhosum, Lindl.). Natural hybrid: fls. 2H m - across, 

 borne in a panicle; sepals lanceolate; petals wider, undu- 



late, all prettily marked, lemon-yellow, whitish in the 

 center and spotted with red-brown markings suggest- 

 ing Hebrew characters; labellum triangular or oblong, 

 acuminate, erose-dentate, darker yellow toward the 

 base, with a large maroon blotch and several smaller 

 ones. Winter. Colombia. Gn. 21:. 386. G.C. II. 16: 

 173. Var. aspersum, Rolfe. Differs slightly from the 

 type in its lax racemes of golden yellow fls., blotched 

 with purple-brown. 



11. maculatum, La Llave & Lex. Pseudobulbs ovate, 

 1-lvd.: Ivs. lanceolate, acute, 6-8 in. long: raceme pen- 

 dulous, loosely many-fld., longer than the Ivs.; sepals 

 narrowly linear or lance-oblong, acuminate, brown; 

 petals ovate-lanceolate, acuminate, undulate, yellow, 

 spotted with brown; labellum wide triangular, acumi- 

 nate, crisp, yellow, brown-spotted, claw short, 2-crested; 

 column white. Mex. B.M. 6455 (not 4878, which is O. 

 cordatum, Lindl.). B.R. 26:30. Fls. freely in June. 

 Racemes a foot long, with stellate fls. 3 in. diam. Var. 

 Thompsonianum, Hort. Infl. vigorous, the fls. 3-3 Yz 

 in. across; sepals salmon-brown, yellow-margined; 

 petals and lip pale yellow, brown-blotched. G.C. III. 

 30:77. G.M. 44:547. Var. splendens and var. superbum 

 are recommended. 



12. mirandum, Reichb. f. Lvs. lanceolate: raceme 

 stiff, 1-sided; sepals and petals lanceolate-acuminate, 

 almost wholly red-brown, with yellow margins; label- 

 lum linear-lanceolate, similarly marked, and having a 

 few purple lines at base, callus horned; wings of the 

 column rhomboid-serrate. Colombia. 



13. gloridsum, Lind. & Reichb. f. Fls. pallid ochre, 

 spotted with brown, paniculate; sepals and petals 

 oblong-ligulate, acuminate; labellum lanceolate - acu- 

 minate, cordate at base, denticulate, about as long as 

 the petals; claw with a 4-lobed, 4-toothed callus; 

 column toothed below the middle. Colombia. G.C. 

 1865:578; II. 24:680. 



14. odoratum, Lindl. Pseudobulbs 2-3 in. long, nar- 

 rowly ovoid, compressed: Ivs. 1 ft. long, narrowly ensi- 

 form: panicle sometimes 2-3 ft. long, copiously 

 branched and many-fld.; fls. lJ^-2 in. across, dull 

 golden yellow, blotched with brownish red; sepals and 

 petals similar, narrowly lanceolate, acuminate, waved; 

 labellum hastate, lateral lobes short, rounded; terminal 

 lobe broadly subulate, narrowed, pubescent, waved; 

 disk with 2 pairs of longitudinal, obtuse, erect teeth. 

 Winter and spring. Mex. B.M. 6502. G.C. II. 15:337. 

 Var. latemaculatum, Andre". Fls. larger; spots purple- 

 brown, larger and more intense. July, Aug. I.H. 

 17:39. Gt. 37, p. 492. Free-flowering. 



SECTION II. 



A. Labellum more or less constricted in 



the middle, fiddle-shaped. 

 B. Column not winged, but having 2 



projecting horns at the apex 15. constrictum 



BB. Column winged; wings pectinate or 



consisting of few decurved spines. 16. Hallii 

 BBB. Column winged; wings toothed or 

 entire. 



c. Crest obsolete, 5-ridged 17. laeve 



cc. Crest falcate-pectinate 18. Wallisii 



ccc. Crest of radiating keels toothed or 



entire 19. tripudians 



20. Harryanum 



cccc. Crest a bifid callosity 21. nevadense 



22. Sanderianum 

 AA. Labellum with an ovate or oblong 



blade, often cordate at the base. 

 B. Lateral lobes not upright; labellum 



with a toothed crest 23. triumphans 



24. aspersum 



25. cristatum 

 BB. Lateral lobes on the claw fleshy, 



upright; labellum with " obtuse 



crest or none 26. cordatum 



27. bictoniense 

 AAA. Labellum hastate ... . . 28. hastilabium 



