153i CXXVII. ORCHIDE^. [DmdrMum. 



the stem, from Sin. to Iffc. long in the typical form and 1 to 2 lines thick, 

 straight or curved. Racemes, lateral, very loose, with few white flowers on 

 almost filiform paduncles of J to lin. Sepals linear-subulate, above lin. loiig, 

 the lateral ones dilated at the base into a conical obtuse spur of 2 to 3 lines. 

 Petals linear-filiform, as long as or slightly longer than the sepals. Labellum 

 about half as long as the sepals, lanceolate, canaliculate, acupiinate and recurved, 

 the lateral lobes very small, the disk dotted with red and bearing 3 undulate 

 raised lines or plates. Colamn dotted with red. — Lindl. Gen. and Sp. Orch. 91 ; 

 F. V. M. Fragm. i. 89; Eeichb. f. Beitr. 51 ; Endl. Iconogr. t. 99 ; Bot. Mag. t. 

 4711 ; D. calamiforme, Lodd. in Lindl. Bot. Reg. 1841, Misc. 9. 



Hab.: Rockhampton, O'Shane^ij, Bowman ; very c ommon both north and south. 



Var. Fairfaxii, P. v. M., in Sydney Mail. Sept. 21, 1872, 3(50, with a woodcut, Habit of 

 typical form. Leaves 1 to 2ft. long, diameter 3, to 4 lines. liacemes with the short peduncle 

 about Sin. Flowers 6 to 12, white fragrant. Sepals and petals equal, narrow-acuminate about 

 15 lines long. Labellum when opened out nearly the length of the Sepals, but usually recurved 

 or curled, the lateral lobes straight somewhat pointed at the upper end, middle lobe long 

 acuminate. Ihe lower half being wavy. Di-k plates 3, rather distant between the lateral lobes. 

 Column short speckled with purple. Anther-lid smooth on top, front margin tomentose. 

 Pollen-masses amber-coloured 



Hab.: On trees, northern scrubs. 



Tav. aureitm. Branches long, slender, drooping. Leaves 1 to IJft. long, v/ith a diameter of 

 from 1 to IJ line. Flowers about 5 or (5 in a raceme, o£ a deep golden yellow, except at the 

 base of eaoli segment and the spur, which is of a more or less d*ep purple. Sepals and petals 

 very narrow, about 1 Jin. long. Labellum about the satpe Ipngtb, the middle lobe elongated 

 into a long filiform point ; plates of disk 3, undulate, purple ; lateral lo':es short, the margins 

 hot undulate on the edges. Column short, wings white. Anther-lid rosy-pink. 



Hab.: Killarney, J. F. Bailey. 



31. D. Seckleri (after Dr. Beckler), F. v. M. Fnu/m. v. 95. Stems from a 

 creeping rhizome often elongated as in 1). teretifoUuin, but the branches not so 

 divaricate. Leaves terminal or distant, lower ones ereetj 8 to 6in. lorig, and 3 or 

 5 lines in diameter, tapering upwards 9-sulcate ; the upper ones much thinner 

 and often 2-sulcate. Flowers solitary on a slender iiexuose peduncle with a 

 rather long scarious bract at the base. Sepals and petals nearly eqiial greenish- 

 yellow, very narrow, tapering from the base, about 9 lines long, the bases of the 

 segments marked by dark-purple longitudinal lines, spur rather long and narrow. 

 Labellum about the length of the other petals, but much recurved, the lateral 

 lobes straight ; faintly lined on the back with longitudinal purple lines, middle 

 lobe tapering to a sharp point, the lower half frilled and edged with purple. 

 Disk with 3 green crenate rather thick plates. Column short. — Fitzg. Austr. 

 Orch. 1. pt. 7. 



Hab.: Very common on trees of the southern mountain ranges. 



32. 1>. IVEortii (after T. S. Mort), F. v. M. Frar/m.l, 2U ; Benth. Fl. Austr. 

 vi. 286. Stems very slender and much branched. Leaves slender 2 to Sin. long, 

 somewhat 4-angled, the angles irregular and blunt. Peduncles short, bearing 2 

 pedicellate, small flowers. Pedicels filiform |in. long. Sepals 5 lines, petals 4 

 lines long, lanceolate the petals narrower than the sepals and 8-ribbed, the sepals 

 5-ribbed. Spur 3 lines long, slightly curved, slender, appearing ribbed by the 

 enclosing bases of the lateral sepals. Labellum nearly as long as the sepals, 

 upper half with frilled margins middle lobe small truncate, apiculate. Disk 

 plates 3, frilled in the upper half. Column not half the length of the sepals. 

 Capsule oblong about ^in. long, prominently ribbed. 



Hab.: Very plentiful in southern localities. 



83. S. Bowmanii (after E. Bowman), Denth. Fl. Austr. vi. 286. 

 Stems elongated and branched, more slender than in jQ, teretifoliwn^ but not so 

 much as in D. Mortii. Leaves slightly sulcate like the slender oneS' of D. 

 Ikclderi, 2 to 4in. long. Flowers generally solitary, on slender pedicels not above 



