468 



DENDEOBIUM 



DENDEOBIUM 



A.. Inflorescence racemose [fl, usually solitary in Jen- 



kinsii), 



B. JRaeemes densely flowered. 



c. Petals pinkish or purplish. 



1. secundum, Wall. Pseudobulbs terete, nearly 2 ft. 

 long: Ivs. ovate-oblong: fls. all on one side of peduncle, 

 crowded ; petals smaller than sepals, rose-mauve; la- 

 bellum paler, with an apical blotch of orange. Sumatra. 



2. cumulitum, Lindl. Pseudobulbs tufted, slender, 

 erect, about 18 in. long: Ivs. oblong: fls. 1 in. across, 

 purplish, suffused with white; inflorescence globose. 

 Burma. 



CO. Petals white. 



3. D6arei, Beichb. f. Fig. 690. Pseudobulbs tall: Ivs. 

 about 2 in. long, oval-oblong : fls. about 2 in. across, 

 white; sepals lanceolate; petals nearly orbicular ; label- 

 lum oblong, with a pale, yellowish green blotch in the 

 throat. Philippine Isls. Gn. 5i,p. 237. 6.0.111.24:193. 



4. leueolophdtum, Eeichb. f. Pseudobulbs stout, erect: 

 racemes many-fld. : fls. white, lateral lobes of labellum 

 greenish; midlobe narrowly oblong. Malay archipelago. 



5. F^lpebrse, Lindl. Pseudobulbs clavate, 4-augled: 

 Ivs. oblong-lanceolate : raceme loosely lid. : fls. white, 

 with a yellowish disk near the base of the labellum. 

 Burma. 



6. crumen&tum, Swartz. Pseudobulbs erect: Ivs. ovate- 

 oblong: raceme terminal, many-fld.: sepals and petals 

 ovate; labellum white. Malay archipelago. 



7. thyrsifldrum, Reichb. f. Pseudobulbs terete, 

 jointed: Ivs. oblong: racemes pendulous, ample: sepals 

 and petals white ; labellum yellow, downy-pubescent. 

 Burma. B.M. 5780. I. H. 22:207. Gn. 50, p. 28. A.F. 

 3:155. P.E. 9:329. J.H. III. 31:229. G.C. II. 15:463. - 

 Much like the next, and by some united with it. 



690. Dendrobium Dearei. 



occ. Petals yellow. 

 8. densiildTum, Wall. Pseudobulbs jointed, about 15 

 in. high: Ivs. oblong : racemes pendulous, ample: fls. 

 lJ^-2 in. across ; sepals and petals yellow ; labellum 

 orange-yellow, downy-pubescent. Nepal. B.M. 3418. 

 G.C. II. 17:737; III. 14:123 and 24:185. 



Var. Schi(£deri, Hort. (var. dlbum, Hort.), has whitish 

 sepals and petals. A.G. 20:5. 



9. Oriffithi&imin, Lindl. Pseudobulbs clavate : Ivs. 

 lanceolate-oblong : fls. in drooping, flexuose racemes ; 

 petals ciliate, yellow. Burma. 



10. Firmerii, Paxt. Pseudobulbs round, attenuate at 

 base, thickening above : Ivs. oblong : racemes ample, 

 pendulous: fls. 2 in. across, tinged with pink; throat of 

 labellum orange-yellow ; sepals oblong ; petals oval. 

 Khasia Hills. B.M. 4659. -Var. albifldrum, Hort. (var. 

 dlbum of catalogues), has white fls., the labellum 

 marked with yellow. F.S. 23:2461. Var. adreo-fiavum, 

 Hort. {aiirea of catalogues 1). Pis. golden yellow; disk 

 of labellum deeper yellow. 



11. 8Ulc4tum, Lindl. Pseudobulbs clavate, com- 

 pressed: Ivs. ovate-oblong: racemes 10 ormorefld. : fls. 

 yellow, crowded. Khasia Hills. B.M. 6962. 



12. bicameratnim, Lindl. {D. brevifldntm of cata- 

 logues). Pseudobulbs fusiform or clavate, about 18 in. 

 long: Ivs. elliptic, oblong: fls. yellow, marked with red, 

 clustered on a short rachis, forming a capitate raceme. 

 Sikkim. 



13. erythrozflnthnm, Reichb. f . Fls. in dense racemes, 

 yellowish striped with crimson-purple. Philippine Isls. 



BB. Sacemes loosely flowered. 

 0. Pseudobulbs one-leaved. 



14. aggregitum, Roxb. Lvs. oblong, coriaceous, at the 

 summits of ovate pseudobulbs : fls. yellow, numerous, in 

 lateral drooping racemes ; sepals ovate ; petals broadly 

 ovate; labellum broader than long, with orange throat; 

 disk pubescent. Burma. B.M. 3643.— Var. m&jus, 

 Hort., is a larger-fld. form. 



15. J^nkiusii, Wall. Pseudobulbs short, compressed : 

 lvs. oblong, coriaceous: fls. orange-yellow, solitary; se- 

 pals oval; petals broadly ovate. Assam. B.R. 25:37. — 

 Very like 2). aggregatum. 



cc. Pseudobulbs leafy at summit. 



D. Flowers yellow. 

 E. Labellum pectinately fringed. 



16. Brymeri&num, Reichb. f. Pseudobulbs jointed, 

 slender, about 2^ ft. high, sometimes much shorter: 

 lvs. several, lanceolate: fls. fleshy, golden yellow; upper 

 sepal oblong; petals and lateral sepals very similar; la- 

 bellum reflexed at apex, disk downy; margin provided 

 with a conspicuously long and pectinate fringe . Burma. 

 B.M. 6383. A.F. 6:609. G.C. IL 11: 475; 16: 689. 



EE. Labellum not pectinately fringed. 



17. chrysotdzum, Lindl. Pseudobulbs clavate : lvs. 

 several, 4 in. long, coriaceous : racemes arching, many- 

 fld. : petals and sepals about equal, golden yellow ; la- 

 bellum of similar color, deeper in the throat. Burma. 

 B.M. 5053. G.F. 5:533. Gn. 48, p. 239.-Var. suaylssi- 

 mum, Hort. Pseudobulbs stout : fls. delightfully fra- 

 grant ; labellum with blotch deeper-colored than in the 

 type. Burma, 1847. 



DD. Flowers greenish. 



18. macroph^Uum, Rich. (D. Veitchidnum, Lindl.). 

 Pseudobulbs clavate, compressed : lvs. oblong: racemes 

 many-fld.: fls. large; sepals greenish, hairy behind; 

 petals whitish ; lateral lobes of labellum greenish, 

 shaded with purple; midlobe greenish, with purple- 

 dotted lines. I.H. 35:57.-Sold as L>. Veitchianum, not 

 D. macrophyllum of gardens (see D. superbum). Java. 

 Day4num, Hort., is said to be a better form than the 

 type. 



000. Pseudobulbs more or less leafy to base. 

 D. Flowers white. 



19. Fytohianum, Batem. (Z>. barbdtulum, Hort.). 

 Pseudobulbs slender: lvs. oblong -lanceolate, acute: 

 racemes 10-15-fld. : fls. white; lateral lobes of the label- 

 lum tinted with purple. Burma. B.M. 5444. 



20. Maof&rlanei, Reichb. f. Fls. several inches across, 

 white; labellum marked with purple, 3-lobed; sepals 

 lanceolate; petals narrowly ovate-lanceolate, acuminate. 

 New Guinea, 



