, THE TASMANIAN FLORA. '20'd 



shorter than the perianth, ending very abruptly. Lyperanthus burnettii, 

 F. V. M. 



Southport, Port Davey, near Strahan, East Coast, Rocky Cape, Sandfly, and 

 near Huonville. It has been gathered also in Victoria. Fl. Oct.-Dec. 



20. CYRTOSTTLIS. 



Perianth-segments narrow, linear, about equal, the upper one erect, the others 

 spreading. Labellum nearly sessile, flat, entire, about as long as or slightly longer 

 than the perianth, with 2 small protuberances near the base and a slightly 

 thickened centre. Column slender, curved, often rather sharply bent about the 

 centre, winged above the centre.. Anther valvular. Stigma close below the 

 anther. 



A small genus, closely allied to Aeianthus, consisting of one Australian and two 

 New Zealand plants. 



C. EENIFORMIS, R. Br. Leaf solitary, sessile at the base of the stem, cordate 

 to sessile, -1-2 inches long, pale beneath. Stem slender, 1-6 inches long. Flowers 

 usually 3 or 4:, in a loose raceme, pale red and gi'een, \-\ inch long. Labellum 

 ovate or oblong, acute to very obtuse and notched. , 



Very common in heathy or dry situations. It occurs also in Queensland, 

 New South Wales, Victoria, South Australia, and Western Australia. Fl. Sept. 



21. CALADENIA. 



Perianth-segments about equal in length, narrow or rather broad, short or 

 much elongated, the upper one erect or over-arching the column. Labellum 

 curved, often recurved at the base, broad, obscurely or distinctly .S-lobed, the surface 

 always bearing more or less numerous and prominent gland-like developments 

 along the centre. Column erect or curved forwards, conspicuously winged, 

 especially in the upper part. Anther valvular, usually with a point above and 

 beyond it. Stigma small, peltate, close under the anther. 



A rather large genus of varied forms, running into adjoining genera. Closely 

 connected with Burnettia and Lyperanthus, through C. suaveolem. 



Perianth-segments linear, elongated, l|-2 inches long. 

 Labellum-margin plain or nearly so. 



Perianth-segments hirsute, tapering to the 

 end. Column-wings terminating abruptly 

 above the middle ... ... ... ... .3. C. filamentosa. 



Perianth-segments glabrous, outer ones termi- 

 nating in thickened enlargements. Wing 

 tapering below ... .. ... ... ... 4. C. davigera. 



Labellum-margin coarsely fimbriated. 



Fimbriations small towards the base ... ... 5. C. patersonL 



Fimbriations long, erect, none towards the base.. 6. C. dilatata. 

 Perianth-segments under 1 inch. 

 Leaf oblong to lanceolate. 

 Flowers pink. 



Perianth spreading ... ... ... ... 2. <7. latifolia. 



Perianth with 2 erect club-like segments ... 13. C. menziesii. 

 Flowers yellow. Plant glabrous ... ... ... 1. C suaveokns. 



Leaf linear. 



Flowers pink to dusky-brown. 



Upper segment erect. Labellum-glands in 



2 rows... ... ... ... ••. ••• 7. C. caniea. 



