DBNDROBIUM 



DENDROBIUM 



469 



DD. Flowfirs purple. 



21. sup6rbiens, Reichb. f. Pseudobulbs cylindric: Ivs. 

 linear-oblong: racemes remotely fltl. ; fls. rich mageuta- 

 purple; sepals and petals undulate-margined; labellura 

 similar in color, 3-lobed, lateral lobes incurved; disk 

 with raised white lamellae. North Queensland. 



22. bigibbum, Liudl. Pseudobulbs elongated, erect, 



1 ft. or more high: Its. oblong-lanceolate: racemes sub- 

 erect: tls. magenta-purple; sepals oblong-lanceolate; 

 petals spreading, reflexed ; labellum 3-lobed, lateral lobes 

 incurved, deeper colored than the petals, with a white 

 crest. Torres Straits. B.M. 48!)8. I. H. 30:476. 



23. Phalaenfipsis, Pitzg. Pseudobulbs tall, terete: Ivs. 

 lanceolate: Us. on slender pedicels, pale mauve; sepals 

 lanceolate, spreading, paler than the petals ; petals 

 orbicular, spreading ; labellum 3-lobed, lateral lobes 

 incurved. Australia. B.M. 6817. A. G. 20:5. G.P.5:440. 

 A.F. 13:1224. Por var. Schroederitaum, see G. C. HI. 

 10:642-3; 15:339. R.B. 23:83. A. P. 10:401. Por var. 

 hololeiica, see G.C. III. IS : 397. J.H. III. 31 : 149.-One of 

 the most useful Dendrobiums for cut-flower purposes. 

 There are many fine varieties, pale in color or even 

 white. 



DDD. Flowers yellow. 

 E. Labellum not slipper-like. 



24. clav4tuin, Lindl. Pseudobulbs cylindric, 20 or 

 more in, long: Ivs. ovate-lanceolate: racemes few-fld,; 

 fls, orange-yellow ; laliellum brighter yellow, with a 

 maroon blotch, denticulate on the margin. Nepal. 

 B.M. 6993. 



25. fimbriatum, Hook. Pseudobulbs 2 or more ft. high, 

 slentler: Ivs. lanceolate, dark green: racemes lax, pen- 

 dulous: sepals and petals orange-yellow, ciliate; label- 

 lura yellow, with an orange-yellow throat, margin irregu- 

 larly fringed. Nepal. G.C. III. 2.t: 305. Var. oculatum, 

 Hort. (Z). Pdxtoni. Past.), has smaller fls., with a deeper 

 colored blotch on the labellum. B.M. 4160. G.C.HI. 14:97. 



26. fusc^tum, Lindl. Pseudobulbs cylindric or nearly 

 so: Ivs. ovate-lanceolate: racemes with a zigzag rachis, 

 drooping: fls. yellow, with 2 maroon spots on the label- 

 lum. 8ikkini, Himalayas. 



27. Hookerianum, Lindl. (D. Chrysbtis, Reichb. f.). 

 Pseudobulbs slender, swollen at the base: Ivs. lanceolate 

 to oblong: fls. large, in pendulous racemes, golden yel- 

 low ; labellum with 2 deep maroon blotches, margin 

 fringed. Sikkim. B.M. 6013. J.H. III. 33: 221. 



28. Gibaonii, Paxt. Lvs. lanceolate: racemes from the 

 upper nodes of the stems: fls. 5 or more, yellow, with 

 maroon spots on the labellum. Khasia Hills. 



29. dixAnthum, Reichb. f. Pseudobulbs clavate, about 



2 ft. long: lvs. linear-lanceolate: fls. yellow, in racemes 

 from the upper part of the stems. Burma, 



EE. Labellum slipper-like. 



30. moscMtum, Wall. Pseudobulbs several ft, high, 

 leafy from the base: lvs. oblong-linear, striate: fl.-stem 

 radical, longer than the pseudobulbs: racemes pendu- 

 lous: fls. 2^ in. across; sepals and petals about equal, 

 oblong, orange-yellow; labellum inflated, colored like 

 the petals, with crimson markings at the base. Burma. 

 B.M. 3837. Var. CalceoUria, Hort. (D. Calceolu.i, Hort.), 

 Fls, smaller, orange-yellow. 



31. Dalhousiinum, Wall. Pseudobulbs elongated, rod- 

 like, spotted with purple when young: lvs. clasping, 

 narrowly ovate : racemes pendulous, lax : fls. large ; 

 sepals spreading, yellow, tinted with rose; labellum con- 

 cave, orbicular, blotched at base with raaroon-purple. 

 Burma. B.R.32:10. I.H.28:423, Gn, 48:1032, p, 223, 

 G,C.ni.21:157. 



AA. Inflorescence not racemose. 



B. Pseudobulbs black-hairy. 



c. Leaves deciduous. 



32. cariniierum, Reichb. f. Pseudobulbs subcylindric, 

 6-9 in. long: lvs. narrowly oblong: fls. li^ in. across, soli- 

 tary or in 2's or 3's, near apex of stem; sepals lanceo- 

 late, acute, strongly keeled at back, pale fawn-yellow, 

 fading to ivory white; petals ovate, white; labellum 

 3-lobed, spurred at base, side lobes triangular, reddish 



orange, midlobe spreading, undulate, tufted, with long 

 woolly hairs along the veins on the upper surface, red- 

 dish orange at base, usually white at apex. Burma. 

 B.M. 6715 (var. Wattii). 



33. omentum, Reichb. f. Pseudobulbs erect, terete, 

 1 ft. loug, swollen at base: lvs. elliptic-oblong, decidu- 

 ous: fls. solitary or in pairs, lK-2 in. across; sepals tri- 

 angular-ovate, keeled at back, pale green, longitudinally 

 veined with darker green; petals linear-acute, colored 

 like the sepals; labellum 3-Iobed, lateral lobes oblong, 

 erect, crimson-scarlet, midlobe ovate, apiculate, pale 

 green, with red border, and a large warty crest, below 

 which are 5 raised red lines, the 2 outermost being most 

 developed. Malay Isl. G.C. III. 18: 91. 



34. longicbmu, Lindl. Pseudobulbs slender, 8-12 in, 

 high: lvs. linear-lanceolate, 2-2X in. long: fls. solitary 

 or in 2's or 3's, not fully expanding; sepals and petals 

 sub-equal, elliptic-oblong, transparent white; labellum 

 funnel-shaped, anterior portion fimbriate, white, with a 

 broad raised orange-red central band, with divergent 

 lateral streaks of same color; spur slender. Burma. 



CC. Lvs. not deciduous. 



35. fonndsum, Roxb. Pseudobulbs stout, erect: lvs. 

 ovate-oblong: peduncle from the summit of the stem, 

 3-5-fld.: fls. 3-4 in. across, white; sepals oblong-lanceo- 

 late, apiculate; petals nearly orbicular; labellum large, 

 the small basal lobes clasping the column, throat with a 

 yellow band, which expands in a large yellow blotch 

 near the distal end. Khasia Hills. B.R. 25:64. Var. 

 gigant^um, Hort. Fls. measure 4-5 in. across. G.C. III. 

 24:471. Gng. 1:118-9. F.E. 10:1'240. 



30. Infundibulum, Lindl. Fls. white; sepals spread- 

 ing, elliptic-oblong; petals broad; labellum large, with 

 an orange-yellow blotch in the throat; basal lobes infold- 

 ing the column. Burma. B.M. 5446. I. H. 21:172. Var. 

 Jamesianum, Hort. Pseudobulbs stouter and more rigid : 

 labellum of flower differently formed, especially the side 

 lobes, which are roughened on their inner surface; disk 

 cinnamon red. 



37. Dracdnis, Reichb. f. Pseudobulbs stout, erect, 

 12-18 in. long: lvs. lanceolate, 3-4 in. long: fls. in fas- 

 cicles frora the uppermost joints of the stem, l^oin. in 

 diam., ivory white, striped with orange-red at base of 

 labellum; sepals lanceolate, acute; petals oblong-lanceo- 

 late, reflexed at tips ; labellum 3-lobed, lateral lobes 

 small, rotund; midlobe oval, oblong, crisped and mi- 

 nutely toothed on the margin, with 3 longitudinal raised 

 lines. India. B.M. 5459. 



38. Bcabrllingue, Lindl. Pseudobulbs stout, erect, 

 slightly attenuated below, 9-12 in. high : lvs. oblong: 

 fls. l^in. in diam., in fascicles frora the uppermost 

 joints of the stems; sepals and petals similar, sub-equal, 

 ovate-lanceolate, ivory white; labellum 3-lobed; lateral 

 lobes oblong, erect, yellow-green; midlobe oval-oblong, 

 reflexed, yellow, with 5-7 orange-yellow sunken lines on 

 disk; spur small, conical. Burma. 



39. L^wii, Lindl. Pseudobulbs slender: sepals and 

 petals pale yellow; labellum marked on the side lobes 

 and midlobe with crimson, Borneo, B,M. 5303, F,S, 

 23:2395. 



BB. Pseudobulbs tiot black-hairy, upright. 



c. Leaves persistent. 



X). Petals and sepals white. 



40. Japbnicum, Lindl. (X). monilifdrme, Swartz). 

 Pseudobulbs tufted, 6-12 in. long, attenuated below ; 

 lvs. linear-lanceolate, acute: fls. fragrant, 1% in. across, 

 solitary or in pairs, white, dotted or speckled with 

 mauve at the base of the labellum. S. Jap. 



DD. Petals a>id sepals yellow. 



41. capillipee, Reichb. f. Dwarf, tufted plants, with 

 fusiform pseudobulbs: lvs. lanceolate: fls. in pairs or 

 solitary, golden yellow, with a deeper blotch on the 

 labellum. India. 



42. lutSolum, Batem. Pseudobulbs erect, about IJ^ ft, 

 long: Ivs. linear-lanceolate, acute: fls. about 2 in. across, 

 yellowish or cream-white ; labellum with a few reddish 

 lines. Burma. J.H. IIL 32:143, G.C. II, 19:340 (var, 

 chlorocentrum) , 



