984 



DENDROBIUM 



DENDROBIUM 



45. lasioglossum, Reichb. f. Pseudobulbs up to 1J^ 

 ft. long, slender, pendulous, a little enlarged at the 

 middle: fls. in 2's or 3's, white, except the reddish lines 

 on the side lobes of the lip; sepals ovate, a little 

 narrower than the petals; lip 3-lobed, the lateral lobes 

 rounded, denticulate, the middle lobe nearly quadrate, 

 undulate, reflexed, the disk with a tuft of orange- 

 yellow hairs. Burma. B.M. 5825. 



46. Jtqueum, Lindl. (D. dlbum, Wight.). Pseudo- 

 bulbs up to 2 ft. long, rather stout, decumbent: fls. 

 about 2 in. across, solitary or in pairs, cream-white, 

 except a yellow spot on the lip; sepals and petals simi- 

 lar, broadly ovate, acute; lip obscurely 3-lobed, the 

 middle lobe triangular, deflexed, ciliate, the upper 

 surface pubescent. Neilgherry Hills. : B.R. 29:54. 

 B.M. 4640. J.F. 3:262. 



47. Loddigesii, Rolfe (D. pulchellum, Lodd., not 

 Roxbg. D. Seidelidnum, Reichb. f.). Dwarf.: pseudo- 

 bulbs 3-4 in. long: fls. solitary, about \Yi in. across; 

 sepals and petals lilac, the sepals oblong, much nar- 

 rower than the ovate petals; lip orbicular fringed, the 

 center orange-yellow, the margin pale lilac. China. 

 L.B.C. 20:1935. B.M. 5037. 



48. superbum, Reichb. f. (D. macrophyllum, Lindl. 

 Plate XXXV. D. Scorttchinii, Hook. D. macrdnthum, 

 Hook.). Pseudobulbs up to 3 or 4 ft. long, cylindric, 

 pendulous: fls. in pairs, 3-5 in. across, with the odor 

 of rhubarb; sepals and petals purple-lilac, acute, the 

 former oblong-lanceolate, about hah" as wide as the 

 oblong-ovate petals; lip with the tube a deep red- 

 purple, this color appearing as 2 large spots in the 

 throat, the front lobe acuminate, reflexed, denticulate, 

 the upper surface pubescent. Philippines. B.M. 3970. 

 C.O. 20. P.M. 8:97. F.S. 8:757. O.R. 14:78; 20:144. 

 Var. anosmum, Reichb. f. (D. andsmum, Lindl. 

 D. macrophyllum Daydnum, Hort.). Pseudobulbs 

 shorter: fls. usually solitary, 



nearly odorless, smaller, the 



sepals and petals shorter and 



broader. Lind. 6:264. P.M. 



15 : 97. Var. giganteum, Reichb. 



f. Fls. larger. Var. Huttonii, 



Reichb. f. Fls. white, except 



the base of the lip and 2 spots 



on it which are purple. Malay Archipelago. Var. 



Richardii, Hort. Medium-sized very fleshy fls. set on 



long bristled pedicels. 



49. MacCfirthiae, Thwaites. Pseudobulbs up to 2 

 ft. long: fls. in 2-3-fld. pendulous racemes; sepals and 

 petals ascending, the fl. not opening wide, pale rosy 

 mauve, acute, the former lanceolate, narrower than 

 the oblong-ovate petals which are sometimes purple- 

 striped; lip pale purple, striped with deep purple and 

 with a maroon spot surrounded by a white zone. Cey- 

 lon. B.M. 4886. G.W. 14, p. 408. 



50. Slbo-sanguineum, Lindl. Pseudobulbs up to 15 

 in. long, stout, cylindric, erect: racemes 2-7-fld.; 

 fls. 2-3 in. across, buff-yellow, with 2 purple spots on 

 lip; sepals oblong-lanceolate, acute, about half as broad 

 as the oblong-oval petals which sometimes have a 

 few 'red streaks at the base; lip broadly clawed, the 

 blade broadly obovate or nearly orbicular, undulate. 

 Moulmein and Tenasserim. B.M. 5130. F.S. 7:721. 

 J.F. 2:203. 



51. lutecium, Batem. Pseudobulbs up to l l / 2 ft. tall, 

 furrowed, cylindric: fls. 2-4, in lateral racemes, 2-2 K 

 in. across, primrose-yellow; sepals oblong-elliptic, 

 narrower than the oval petals; lip with a few reddish 

 streaks, slightly 3-lobed, the middle lobe oblong, emar- 

 ginate, a tuft of yellow hairs below the tomentose disk. 

 Moulmein. B.M. 5441. F.S. 23:2395 (as D. Lowii). 

 J.H. III. 32:143; 51:519; 54:137. V.O. 57. Var. 

 chlorocentrum, Reichb. Fls. a little larger with greenish 

 hairs on the lip. G.C. II. 19:340. 



52. ramdsum, Lindl. (D. Ruckeri, Lindl.). Pseudo- 

 bulbs up to IK ft. tall, slender: fls. solitary or in pairs, 

 about \}/2 in. across; sepals and petals pale primrose- 

 yellow, the dorsal sepal oblong, the lateral triangular, 

 the petals narrower than dorsal sepal; lip 3-lobed, the 

 lateral lobes white, rose-streaked, the middle lobe 

 nearly orbicular, reflexed, deeper yellow than petals, 

 much undulated. Trop. Himalayas. B.R. 29:60. 



53. ochreatum, Lindl. (D. cambridgednum, Paxt.). 

 Pseudobulbs up to 10 in. long, stout, curved, cylindric, 

 decumbent: fls. in pairs, 2-3 in. across, rich golden yel- 

 low, except the maroon blotch on lip; sepals and petals 

 oblong, acute, similar; lip with the concave blade 

 orbicular, recurved on the margin, the upper surface 

 downy. Trop. Himalayas. B.M. 4450. C.O. 16. 

 Var. lilteum, Hort. Fls. lemon-yellow, with blotch 

 on lip of much lighter purple than in type. 



54. chrysanthum, Wall. (D. Pdxtonii, Lindl.). 

 Pseudobulbs up to 6 ft. long, slender, furrowed, pen- 

 dulous: fls. about 2 in. across, in racemes of 4-6, 

 golden, except the 2 maroon spots on the lip; sepals 

 oblong-oval; petals broadly obovate; lip denticulate, 

 the middle lobe orbicular. Tropical Himalayas to 

 Burma and southern China. B.R. 1299. Lind. 5: 194. 

 C.O. 2. G.C. III. 15:565; 40:374. Var. anoph- 

 t&lmum, Reichb. f. Lip. not spotted. Var. microph- 

 tfilmum, Reichb. f. Petals serrate, and the spots on 

 the lip smaller. 



55. Hookerianum, Lindl. (D. chrysdtis, Reichb. f.). 

 Pseudobulbs up to 8 ft. long, pendulous: fls. 3-4 in. 

 across, in pendulous racemes of 10-15, golden, except 

 the 2 maroon spots on the lip; sepals and petals oblong, 



acute, similar; lip 

 with the blade 

 broadly oval, velvety 

 on upper surface, fim- 

 briate, the divisions 

 long and bearded. 

 Trop. Himalayas and 

 Bengal. B.M. 6013. 

 Lind. 16:730. I.H. 

 20:155. J.H. III. 

 33:221. Var.brachy- 

 stachyum, Kranzl. 

 Fls. a little larger, 

 fewer, in shorter ra- 

 cemes. Khasia Hills. 



SECTION VI. 



A. Fls. usually single. 



56. Jenkinsii 

 AA. Fls. in racemes. 



57. aggregatum 



56. Jenkinsii, Wall. 

 Dwarf: pseudobulbs 

 up to \Yi in. long, 

 crowded, oblong, 

 compressed, 1 - Ivd . : 

 Ivs. oblong, oval, 1-2 

 in. long: fls. solitary, 

 about lj/2 in. across, 

 orange -yellow, with 

 the disk on the lip 

 darker; sepals oval, 

 much narrower than 

 the rhomboid petals, 

 the lip downy above. 

 Assam and Burma. 

 B.R. 25:37. 



57. aggregatum, 

 Roxbg. Pseudobulbs 

 ovate-fusiform, up to 

 2 in. long, crowded, 



1237. Dendrobium superbiens. ( Xy) 1-lvd.: Ivs. 2-3 in. 



