1530 CXXVIl. 0RCHIDEJ3. [Dendrobium. 



■2 raised plates along the centre below the middle or what might be termed one, as 

 they are united at the top thus forming an elongated loop. Column shdrt. — 

 Pitzg. Austr. Orch. ii., Pt. 3. 



Hill).: llockingham Bay, J. DaZZnc/ij/ ; Cairns, E.Fitzalan&ni L.J. Nugent; Mount Alexander, 

 H. Tnjon. 



18. B. Baileyi (after F. M. Bailey), F. v. j\[. Fragm. viii. 173. Stems 

 "terete slender, the upper portion 1 to Ij line thick and leafy. Leaves grass- 

 like, 2J to 4iin. long, 2| to 3^ lines broad, petiole eylindric. Flowers solitary, 

 lateral ; bracts almost cucullate about 1^ line long. Sepals and petals about ^in. 

 long, and at the base IJ line broad, tapering to thread-like points. Labellum 

 slightly shorter than the sepals, glabrous, lateral lobes semi-ovate, middle-lobe 

 -almost ovate, the margins glandular-fimbriolate point long linear-subulate ; disk 

 yellow and turgid, neither cristate nor glandular. Column 2^ lines long, apex 

 -seniiterete minutely toothed at the top. 



Hab.: Eanges about Eockingham Bay, F. M. Bailey. 



19. D. Keffordii (after W. R. Kefford), Bail. Proc. Boy. Soc. QL i. 

 "Stems slender and very numerous in large masses, 1 to 4ft. high, often 

 leafy throughout. Leaves linear-lanceolate, the apex rather obtuse, 3in. 



long, about 3 lines broad near the base, texture thin, the sheathing base 

 -striate. Racemes lateral, numerous, shorter than the leaves and mostly 

 :2-fioweied. Flowers yellowish, speckled with purple, on pedicels of about 

 4 lines. Sepals tapering from a broad base into filiform points, about lin. 

 long ; the petals of the same form but shorter than the sepals ; spur short. 

 Labellum 3 or 4 lines long, the middle lobe bordered by a dark-purple 

 fringe, the point elongated and recurved. Disk yellow with 2 lines of rather 

 prominent calli. Column slender. 



Hab.: Johnstone River. This species is nearly allied to D. Baileyi, F. v. M. 



20. 3>. canaliculatum (channelled), B. Br. Prod. 3.S3 ; Jlcnth. Fl, Austr. 

 -vi. 282. Stems or pseudo-bulbs usually rather thick from 1 to 4in. high. 

 Leaves at the summit 2 to G, linear, thick, almost semicylindrical but grooved 

 •on the upper side, 4 to Sin. long, often 3 lines broad at the base but tapering 

 to the and. Racemes in the upper axils often a foot long including the peduncle, 

 •but flowering only in the upper portion, the rhachis slender, the sheathing 

 sciles of the peduncle small, the bracts still smaller. Pedicels slender, -J- to fin. 

 long. Sepals and petals linear, white tipped with yellow, the sepals 5 or 6 lines 

 long, the lateral ones slightly falcate, and produced at the base- with the basal 

 projection of the column into a conical spur. Petals rather longer than the 

 :sepals and contracted at the base. Labellum about f the length of the sepals, 

 with 8 lobes of a rich mauve colour, the lateral ones prominent and obtuse, the 

 middle one nearly orbicular or rather broader than long, with a short point, the 

 disk with 3 prominently raised lines or plates, much undulate between the 

 lateral lobes and ending on the middle lobe in richly coloured nearly orbicular 

 laminiii. — Lindl. Gen. and Sp. Oreh. 91 ; Reichb. F. Beitr. 49 ; F. v. M. Fragm. 

 iii. 126; D. Tcutoniamm, Batem. in Gard. Chron. 1865, 890; Bot. Mag. t. 6537; 

 Fitzg. Austr. Orch. i. Pt. 3. 



Hab.: Endeavour Biver, Banki and Solander ; Eockingham Bay, Dallachy ; Pioneer Eiver, 

 :and other coastal scrubs. 



Flowers very fragrant, the colouring and marking very variable. 



21. D. Smilliae (after Mrs. E. J. SmiUie), F. v. M. Fragm. vi. 94; 

 Benih. Fl. Austr. vi. 282. Stems 1 to 2Jft. long, thick, very prominently 

 angled and furrowed, some of the specimens marked only with the annular 

 scars of the scarious sheathing scales, others with the short persistent sheaths 



