DENDROBIUM 



DENDROBIUM 



981 



E. Lip curved like a trumpet; 



sepals and petals purple .... 20. lituiflorum 

 EE. Lip not curved. 



F. Fls. white 21. monile. 



FF. Fls. with sepals and petals 



white, tips colored. 

 G. Throat of lip yellow. 

 H. Middle lobe violet, 



white-margined 22. amoenum 



HH. Middle lobe yellow, tip 



rose 23. crystallinum 



GO. Throat of lip purple 24. transparent 



FFF. Fls. with sepals and petals 



mauve, lip primrose 25. Pierardii 



DD. Internodes usually less than 5 



times longer than broad. 

 E. Fls. 2% in- across or less. 



F. Color violet-purple 26. Parishii 



FF. Color white or lilac. 



G. Lip primrose-yelloi'j; 



sepals and petals lilac... 27. primulinum 

 GG. Lip with ground color 

 white,a large light or dark 

 yellow blotch in center. 

 H. Blotch not marked; 



base plaited 28. ere pidat um 



HH. Blotch marked. 



i. With 2 basal purple 



spots 29. Bensonias 



n. With reddish orange 



lines. 



j. Shape of lip ob- 

 tuse; blotch light 



yellow 30. cretaceum 



Jj. Shape of lip acute; 

 blotch deep yel- 

 low 31. gratiosissi- 



EE. Fls. exceeding 2% in. across. [mum 



F. Ground-color of sepals and 



petals white. 

 G. Throat deep purple. .... .32. nobile 



GG. Throat yellow, with 2 pur- 

 ple spots 33. Wardianum 



FF. Ground-color of sepals and 



petals rose. 

 G. Front lobe of lip rose, the 



throat yellow 34. regium 



GG. Front lobe of lip white- 

 margined, the throat 



with 2 dark spots 35. rhodoptery- 



AA. Sepals and petals yellow. [gium 



B. Lip deeply pectinate-fringed 36. Brymeri- 



BB. Lip not fringed. [anum 



c. Disk pilose; 2 large purple fringed 



spots at base of lip 37. Dalhousie- 



cc. Disk not pilose, nor with fringed [anum 



spots 



D. The lip slipper-shaped 38. moschatum 



DD. The lip not slipper-shaped. 

 E. Unicolored, yellow. 



F. Shape of sepals and petals 



acute; lip minutely serrate 39. dixanthum 

 FF. Shape of sepals and petals 



obtuse; lipfimbriate 40. fimbriatum 



EE. Bi-colored, yellow with purple 



markings. 

 F. Apex of lip acute; sepals and 



petals pale yellow. 

 G. Front lobe nearly rhom- 

 boid, cream-margined... 41. Aphrodite 

 OG. Front lobe ovate, red-lined, 



the apex recurved 42. aureum 



FF. Apex of lip rounded; sepals 



and petals rich yellow. 

 a. Fls. 2Y?, in. or more 

 across; lip with a single 

 large spot. 



H. Lip serrate or shortly 

 fimbriate; floral bracts 



large 43. clavatum 



HH. Lip fimbriate, the divi- 

 sions branched; floral 



bracts small 40. var. oculatum 



GG. Fls. about 2 in. across; 



lip with 2 spots 44. Gib so nil 



15. Devonianum, Paxt. Pseudobulbs up to 3 ft. 

 long, round, pendulous: fls. single or in pairs, about 2 

 m. across; sepals and petals white tinted amethyst 

 at the apex, the sepals about half as broad as petals, 

 lanceolate, the petals ovate, acute, ciliate; lip white, 

 fringed, the apex purple, and 2 orange blotches in the 

 throat. N. India to S. China. B.M. 4429. J.H. III. 

 34:197; 52:317. G.C. III. 7:680. C.0. 23. O.K. 

 4:177; 12:152. 



16. pendulum, Roxbg. Pseudobulbs abruptly swol- 

 len at the nodes, up to 2 ft. long, somewhat pendulous: 

 fls. solitary or 2 or 3 together, 2-2^ in. long; sepals 

 and petals white, purple-tipped, acute, the petals 

 broader than sepals; lip white, ciliate, pubescent on 

 upper surface, the center yellow, the front margin 

 purple. Moulmein. B.M. 5766 (as D. crassinode). 

 C.O. 19. O.K. 2:177; 8:177. Var. Barberianum, Hort. 

 Fls. brighter, the apical spots larger and deeper. 



17. Linawianum, Reichb. (D. monilifdrme, Lindl., 

 not Swartz). Pseudobulbs with internodes gradually 

 thickened toward apex, up to \Y<i ft. long, clavate: 

 fls. in pairs or 3's, about 2 in. across; sepals and petals 

 rosy purple above, white below, the sepals half as broad 

 as petals; lip obscurely 3-lpbed, small, the front lobe 

 purple, the lower part white with 2 purple spots on 

 disk. China and Japan. B. M. 4153. P.M. 3:77. 



18. Findlayanum, Par. & Reichb. Pseudobulbs with 

 internodes gradually thickened toward apex, up to 1 ^ 

 ft. long: fls. in pairs, 2-3 in. across; sepals and petals 

 pale lilac, the sepals much narrower than the petals; 

 lip yellow, white-margined. Burma. B.M. 6438. Gn. 

 49:446. G.M. 44:373 (var roseum). O.R. 8:169. 



19. Falconeri, Hook. Pseudobulbs slender, up to 

 1J^ ft. long: fls. solitary, 2-3 in. across; sepals and 

 petals white, purple-tipped, the former tinged with 

 pale rose, the petals broader than sepals; lip obscurely 

 3-lobed, the throat deep purple, with an orange spot 

 on each side and a white band in front, the acute apex 

 purple. N. India. B.M. 4944. I.H. 23:243. F.M. 

 1876:226. G.Z. 31 : 145. Var. giganteum, Hort. Pseudo- 

 bulbs larger: fls. larger and lasting longer. 



20. lituifldrum, Lindl. Pseudobulbs up to 2 ft. long, 

 pendulous: fls. in pairs, rarely more, 2-2 % in. across; 

 sepals and petals amethyst, the former paler at base, the 

 latter the more richly colored, the sepals much narrower 

 than the petals; lip curved like a trumpet, the opening 

 turned up, the throat purple, surrounded by a white 

 zone, the margin purple. Burma. B.M. 6050. Var. 

 candidum, Reichb. Fls. larger, the sepals and petals 

 white, the lip sulfur-yellow. Var. Freemanii, Hort. 

 Sepals and petals deeper in color, the lip with a sulfur- 

 yellow zone. 



21. monile, Kranzl (D. japdnicum, Lindl.). Pseudo- 

 bulbs up to 1 ft. long, slender-clavate : fls. solitary or in 

 pau*s, fragrant, white except for a few purple spots on 

 the lip; sepals narrower than petals, both acute; lip 

 acuminate, reflexed at apex. S. Japan. B.M. 5482. 



22. amoenum, Lindl. Pseudobulbs up to \Yi ft. 

 long, slender: fls. solitary, or sometimes in 2's or 3's, 

 about 2 in. across; sepals and petals white, amethyst- 

 tipped; lip with the front lobe ovate, amethyst mar- 

 gined with white. Nepal. B.M. 6199. G.C. II. 16:625. 



23. crystallinum, Reichb. f. Pseudobulbs up to 2 ft. 

 long, somewhat pendulous: fls. solitary, or sometimes 

 in 2's or 3's, about 2 in. across; sepals and petals white, 

 tipped with amethyst, or this sometimes lacking in the 

 sepals which are much narrower than the petals; lip 

 with a yellow middle lobe margined white. Burma. 

 B.M. 6319. Var. albens, Hort. Sepals and petals 

 pure white; lip rich yellow tipped with white. 



24. transparens, Wall. Pseudobulbs up to 20 in. 

 long, slender: fls. in pairs or 3's, about 1)^ in. across, 

 white, the sepals, petals and lip tipped pale mauve; 

 sepals lanceolate; petals oblong-elliptic; lip recurved 



