Denilrohium.] CXXVII. ORCHIDEiE. 1529 



14. S. gracilicaule (stems slender), F. r. M. Frac/m. i. 179 ; Benth. Fl. 

 Aiisir. vi. 281. " Cheebal," Barron Eiver, J. F. Bailey. Stems numerous, 

 1 to 2ft. high, slender, cylindrical, sometimes slightly thickened at the base, 

 more or less clothed with membranous sheaths. Leaves thin coriaceous, 

 several crowded near the summit of the stems, sessile, 4 to Gin. long, 

 lanceolate, infolded at the base, the tip obscurely bifid. Peduncle including 

 the nodding raceme about 4in. long. Bracts small. Pedicels slender, ^in. 

 long. Flowers often crowded from G to 10, all yellow or more or less marked on 

 back of sepals and petals wiih irregular-shaped reddish or brownish spots, but the 

 colouring very irregular on the same "plant. Dorsal sepal oblong incurved, 

 lateral ones falcate oblong-lanceolate. Petals linear-oblong ; spur curved, rather 

 broad. Labellum rather shorter than the other segments, lateral lobes erect, the 

 middle lobe reniform, with usually 3 longitudinal plates on the disk between the 

 lateral lobes. — Bot. Mag. 7042 ; 1). elonqatwn, A. Cunn. in Bot. 

 Reg. 1839, Misc. 38, Liridl. I.e. 1841, 21, but not of Lindl., Gen. et Sp. 

 Orch. 77; D. ir(siaH«w.s«, Reichb. f. in Walp. Ann. vi. 299; not D. f/racilicaule, 

 Kranzlin in Piantfe Hellwigianse, 187 (1894) ; D. jonesii, A. B. Rendle in Journ. 

 of Bot. xxxix. 197. 



Hab.: Common iu the scrubs both north and south of Brisbane. 



The slight differences in the form and colouring of the flowers I find insufficient for separating 

 into varieties or forms. 



15. I>. iLdse (after Mrs. J. W.E. Stuart), Bail. Pioc. Lloy. Sue. Ql. i. Stems, 

 about Itt. long, slender, furrowed, bearing at their summit about 3 lanceolate 

 leaves 3 or 4in. long, lin. broad, keeled underneath and rather thin in texture. 

 Racemes terminal, 1 to Bin. long, with 2 to 4 highly fragrant white flowers. 

 Bracts small, lanceolate. Pedicels about \va. long. Sepals or outer segments 

 about |in. long, somewhat ovate, the lateral ones slightly falcate, spur short and 

 curved. Petals or inner segments shorter and narrower than the sepals. 

 Labellum shorter than the other segments; lateral lobes glabrous and faintly 

 marked with purple bars, middle lobe cordate and densely tomentose, 3 close 

 raised lines along the disk reaching to the base of the middle lobe. Columa 

 white. Anther-lid white. Pollen-masses rather small, pale yellow. 



Hab.: Herberton. 



16. D. Stuartii (after J. W. R. Stuart), Bail. Pruc. Hoy. Sac. Ql. i. Stems 

 slender, prominently striate, 6 to 18in. long, leafy. Leaves lanceolate, 1 or 

 2in. long. Racemes short, axillary, usually 8-flowered. Outer and inner- 

 segments aboirt iin. long, yellowish-green ; spur about 3 lines long, straight. 

 Labellum tomentose, with fringed undulate edges, the disk-plates not prominent,, 

 obtuse-ovate, fin. long; lateral lobes none or scarcely any; veins red, forked, 

 crossed by two longitudinal ones. Column short, white, the narrow wings edged 

 with purple. Flowers fragrant. — Fitzg. Austr. Oich. ii. Pt. 8. 



Hab,: Herberton. 



17. S. agrostophyllum (leaves grass-like), F. r. M. I'l-ar/m. viii. 2.9; 

 Benth. Fl. Austr. vi. 281. Stems deeply furrowed, slender and rather distant 

 upon an elongated creeping rhizome, from 1 to 2ft. high, leafy from the middle- 

 upwards. Leaves lanceolate, erecto-patent, rather thin, 2 to 4in. long. Racemes 

 axillary and distant from the top of the stem, the rhachis not lin. long. Flowers- 

 few, more or less yellow, segments of thin texture, on pedicels of about |in. 

 Dorsal sepal oblong, 4 lines long and about 2 lines broad, the lateral ones much 

 broader. Petals obovate-oblong, shorter and narrower than the sepals and the 

 nerves less prominent. Labellum sessile, nearly 5 lines long and broad and 

 almost square, the lateral lobes obliquely rhomboidal, separated by a narrow sinus 

 from the middle lobe, which is more than twice as broad as long ; the disk with 



