ONCIDIUM 



ONCIDIUM 



2343 



abcait 9 in. long: fl.-st. 1-1 Y^ ft. high, arched, bearing 

 20-50 large fls. 1M~3 in. across: fls. shining brown, with 

 few yellow and red marks at the bases of the segms.; 

 sepals obovate, obtuse, recurved and undulate, the lat- 

 eral ones united; petals twice as large, broadly obo- 

 vate, obtuse, much waved and crisped; middle lobe of 

 the labellum large, rotund-cordate, waved and crisped ; 

 lateral lobes small, horn-like. Fls. at various seasons. 

 Brazil. B.M. 3499. B.R. 1920. L.B.C. 19:1854. F.S. 

 21:2147,2148. F.C. 2:64. B. 1:26. 0. 1912, p. 18; 1913, 

 p. 74. Var. grandiflorum, Hort. Fls. very large, the 

 segms. edged with yellow. 



10. cornigerum, Lindl. Pseudobulbs oblong, sulcate, 

 3 in. long, 1-lvd.: Ivs. dark green, broadly ovate to 

 oblong, fleshy, 1 ribbed, 4 in. long: panicle about 18 in. 

 long, drooping, branched and crowded with fls. above; 

 fls. small but numerous, yellow, spotted with red; 

 dorsal sepals and petals obovate, concave, undulate, 

 the lateral sepals smaller and united; labellum with 

 long-linear lateral lobes and 2 horn-like processes at 

 the base; middle lobe obovate, subrepand. April, May. 

 Brazil. B.M. 3486. B.R. 1542. A compact free- 

 flowering plant which is very attractive when grown in 

 baskets so that the long racemes can hang over the 

 sides. 



11. cucullatum, Lindl. Pseudobulbs oval, 1^ in. 

 long, smooth, becoming ribbed: Ivs. oblong-lanceolate, 

 6 in. long: raceme almost simple, 8-12 in. long, bearing 

 6-12 fls. 1*4 in. across; dorsal sepals and petals small, 

 oval, greenish, shaded with rose-purple; lateral sepals 

 almost entirely united; labellum cordate-panduriform, 

 with the middle lobe much dilated and 2-lobed, white to 

 rose and spotted with dark purple. Spring. Colombia. 

 F.S. 8:835; 23:2457. J.F. 3:317. J.H. III. 49:365. 

 I. H. 25:305. Gn. 22:166 (var. giganteum). A species 

 with many varieties, which differ in shape and coloring 

 of the fls. It is one of the coolest of the Andean orchids. 

 Var. nubigenum, Lindl. Raceme suberect; sepals and 

 petals white or light purple, with green tips; labellum 

 white, with a purple blotch around the crest. B.M. 

 5708. 



12. Martianum, Lindl. (0. tricolor, Lindl.). Pseudo- 

 bulbs ovate, compressed and ribbed: Ivs. oblong, 

 striate: fls. yellow, spotted; lateral sepals united, 

 ovate, acute; petals obovate, concave; middle lobe of 

 the labellum larger than the rest of the fl., 2-parted 

 by the deep sinus in front, clear yellow. Autumn. 

 Brazil. B.R. 29:66. A beautiful yellow species, with a 

 panicle 2 ft. high. 



13. fiexuSsum, Sims. Pseudobulbs ovate, flattened, 

 2 in. long: Ivs. linear-oblong, 6 in. long: fls. scarcely 1 

 in. across; sepals and petals small, recurved, yellow, 

 with chestnut bars; labellum yellow, with few red- 

 dish spots; side lobes small; middle lobe reniform, 

 notched.! Brazil. B.M. 2203. L.B.C. 5:424. Gn.W. 

 7:53. The plant blooms freely at various seasons. 

 The fls. open in succession on a loose spreading [pani- 

 cle about 2 ft. high. Var. unicolor, Hort., has clear 

 unspotted fls. 



14. varicdsum, Lindl. Pseudobulbs ovate, angled, 

 2-4 in. long: Ivs. rigid, linear-lanceolate, 9 in. long: 

 fl.-spikes strong, arching, 3 ft. long, with numerous fls. 

 1 in. across; sepals and petals small, green, with brown- 

 ish blotches; labellum very large in proportion to the 

 fl., bright yellow, with a curiously toothed crest; 

 lateral lobes rotund; middle lobe reniform, obscurely 

 4-lobed. Winter and spring. Brazil. One of the most 

 attractive. J.F. 2:206, 207. J.H. III. 54:497; 69:355. 

 Var. Rogersii, Reichb. f. (0. Rodgersii, Hort.). Fig. 2578. 

 The best variety. Specimens have borne 150 fls., with 

 the lip over 2 hi. across, rich yellow, with a few red 

 bars at base. G.C. 1870:277. F.S. 18, p. 150. F. 

 1870:25. Gn. 55:408. G.M. 39:366. A.F. 17:10. Gng. 

 10:38. J.H. III. 49:433. O. 1912, p. 18. Var. Char- 

 lesworthii, Hort.. Lip 2% in. across. G.M. 45:566. 



Var. moortebeekiense, Hort. A large reddish brown 

 blotch at base of lip. G.M. 45:177. 



15. Phalaenopsis, Lind. & Reichb. f. A small-grow- 

 ing plant, with pseudobulbs oblong, somewhat ribbed, 

 1-2 in. high: Ivs. narrow at the base, broadening 

 upward, about 6 in. long: fls. 3-6 on a slender raceme, 

 gaily colored, creamy white, with the sepals and petals 

 barred with reddish purple, and the base of the lip pro- 

 fusely spotted with the same color; sepals and petals 

 quite similar, oblong, acute; labellum pandurate, with 

 2 rounded lobes in front. Blooms at various seasons, 

 and lasts a long tune. Ecuador. I.H. 17:3. Gn. 

 41:492. J.H. III. 28:515. A beautiful little plant, 

 worthy of extended cult. Much like O. cucullatum. 



16. longipes, Lindl. (O. janeirense, Reichb. f.). 

 Pseudobulbs narrowly ovate, 2-lvd.: Ivs. narrow: scape 

 several-fld., equaling the Ivs.; fls. on long pedicels; 

 lateral sepals elongate, pendulous, united at the base; 



2578. Oncidium varicosum var. Rogersii. ( X \S) 



dorsal sepals shorter and wider, recurved; petals 

 oblong, plane; all yellowish green, barred with brown; 

 labellum yellow, spotted with brown at the base; lat- 

 eral lobes small, obtuse; middle lobe transversely 

 broadened, apiculate, the narrow part serrated. Sum- 

 mer. Brazil. I.H. 2:54. B.M. 5193 (called O. longipes, 

 is 0. Croesus, Reichb. f.). A small species. 



17. dasystyle, Reichb. f. Pseudobulbs ovate, flat- 

 tened, strongly rugose: Ivs. 4-5 in. long, linear-lanceo- 

 late: scape very slender, 6-7 in. long, bearing 2-5 fls., 

 each 1^2 hi. 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-fan-shaped, 

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

 Brazil. B.M. 6494. 



18. concolor, Hook. (O. unguiculatum, Klotzsch). 

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

 lanceolate: fls. 1-2 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 



