Manual (Dendrob. p. 60) D. macrophyllum is referred to 

 the sub-section Galostachyse of sect. Eudendrobiivm, which 

 is, I think, an error. 



D. atroviolaceum was introduced from New Guinea in 

 1890 ; and the specimen here figured was received from 

 F. Wigan, Esq., of Clare Lawn, East Sheen, in December 

 of last year. 



Descr. — Pseudobulbs tufted, 8-12 inches long, fusiform, 

 deeply channelled, young smaller, green, sessile ; older 

 raised on an inclined 2-5-jointed stipes, yellow brown, with 

 an oblong, obtuse, basal sheath. Leaves two, terminal on 

 the pseudobulb, 3-5 inches long, spreading, sessile, oblong, 

 obtuse, convex, very coriaceous, dark green above, very 

 pale -almost silvery beneath, with green parallel nerves. 

 Peduncle from between the leaves, erect ; green, with few 

 distant, closely appressed sheaths. Raceme many-fid., in- 

 clined ; bracts small, pale, i in. long, sheathing the 

 pedicel, which, together with the slender ovary, is an inch 

 long. Flowers many, 3 inches in diameter. Sepals and 

 petals primrose yellow on both surfaces, with claret-colrd. 

 spots, more or less twisted, and with recurved margins, 

 sepals ovate, subacute ; petals oblong, acute, but appearing 

 spathulate, the margins being revolute for the lower two- 

 thirds of their length. Mentum short, incurved. Lip 

 about as long as the sepals, 3-lobed, lateral lobes ear- or 

 tan-shaped, erect, with strongly recurved margins ; disk 

 violet, striped with white, 2-lamellate between the lobes ; 

 mid-lobe heart-shaped, strongly recurved, basal half 

 dark violet, streaked with white, terminal half yellow, 

 spotted like the petals. Column very short ; anther 

 depressed; pollima bipartite, seated on a rather large 

 gland.— J. D. H. 



3 l anihlr L F ^ °^f- lateral J°be removed; 2, column and base of lip; 

 J , anther ; 4 and 5, pollima :— All enlarged. 



