ORCHIDACE.E 



1. D. acuminatum Rolfe. Flowers not purplish. Raceme several decime- 

 ters long. 



2. D. stella silvae (Loher fy Krdnzlin) Ames. Raceme few-flowered, short. 



3. D. Lyonii Ames. Flowers purple, fragrant. 



6. §Latourea. Pseudobulbs elongated, erect, not drooping 

 from a slender base, diphyllous. Flowers hairy, fleshy, white, with 

 purple streaks and dots. 



1. D. ternatense J. J. Smith. 



Subgenus EU-DENDROBIUM 



7. § Eugenanthe. Stems clavate, leafy, flowers showy, yellow, 

 purple, or violet, mostly in pairs from leafless stems. 



1. D. aureum Lindl. Flowers cream yellow. 



2. D. superbum Rekhb.f. Flowers showy, purple, labellum deep purple. 



3. D. Victorias reginae Loher. Flowers violet (" blue ") and whitish, often 

 in threes. 



8. § Platycaulon. A very distinct group. Pseudobulbs strongly 

 flattened, 1 dm. high, leafy, about 2.5 cm. wide, only a few milli- 

 meters thick. 



1. D. platycaulon Rolfe. Flowers 3-6 in short racemes, yellowish. The 

 elongated mentum suggests the next section. 



9. §Pedilonum. Stems more or less cane-like, never strongly 

 flattened. This is a large section, characterized in part by an 

 elongated mentum. Flowers in racemes, few or many, rarely 

 individually showy, never exceeding 2 cm. in diameter. 



1. D. amethystoglossum Rekhb.f. Flowers about 3 cm. long, white, 

 labellum purplish. Racemes 1 dm. long. 



2. D. chameleon Ames. Flowers white striped with pink, soon turning 

 yellow. 



3. D. epidendropsis Kr'dnzl. Flowers wax-like, yellow, glossy, nearly 

 3 cm. long. 



4. D. O'Brienianum Kr'dnzl. Flowers greenish yellow, mentum bent near 

 the tip, forming a right angle. 



[ no] 



