272 ORCHm-GRO^VTiE'S MANUAL, 



lip orange, with two large black-purple spots at the base. A 

 handsome and desirable species. — Moidmein. 



Tib.— Bof. Mag., t. 5679 ; Floral Mag., t. 355 ; Jennings, Orch., t. 32 ; 

 Gard. Chron., N S., xxii. 145, fig. 30. 



D. Bensonise xanthinum, Bchh. f. — A very chaste variety 

 of the preceding species. Sepals and petals pure white ; lip 

 white with an orange disk. This variety is quite destitute of 

 the two dark blotches found at the base of the lip in the 

 typical form. — Moulmein. 



D. bigibbuin, Lindley. — A very handsome species, of a 

 distinct type, represented by D. siq)erhi€iis, Goldiei, and Phalce- 

 nopsis, and certainly one of the handsomest of the AustraUan 

 kinds. It is a dwarfish-growing plant, producing slender 

 fusiform stems about a span long, the younger ones having 

 a few linear-oblong leaves near the summit, whence also 

 spring the peduncles, bearing racemes of rich rosy-purple 

 very broad-petalled flowers ; they will sometimes continue 

 to throw out these racemes from the same stem for several 

 successive years. It will thrive in the East Indian house, 

 potted in fibrous peat and sphagnum moss, giving abundance 

 of drainage, and a plentiful supply of water in the growing 

 season ; if allowed to become dry enough to shrivel, it will 

 with great diificulty be restored. This species delights in an 

 abundance of light. We have found it do well in a stove 

 where no shading is used ; in fact we have grown it far better 

 in this way than even in the East India house. — North 

 Australia . 



YiG.—Bot. Mag., t. 4898; Warner, Sel Orch. PI, ii. t. 8; Paxt. Fl. 

 Gard., iii 25, fig. 245 ; Flore des Serres, t. 1143; Floral Mag., 2 ser., t. 

 386 ; Orchid Album, i. t. 38 ; Batem. 2nd Cent, t. 169. 



D. Mgibbum candidum, Echb. f. — This is a very chaste and 

 distinct variety of the type, having white flowers slightly tinged 

 with rosy purple ; and was introduced by us from Torres 

 Straits, 



D. laigiblDlim SUperbum, Echb. f. — A superior and much 

 bolder form than the type ; the flowers are larger in all their 

 parts, the side lobes of the lip are almost blackish purple and 

 the spur is longer. — North Australia. 



7lG.— Floral Mag., 2 ser., t. 229. 



D. Boxallii, BM. f. — A very beautiful species. It has 

 moderately stout stems, thickened on one side below the 



