Plate 53. Fig". 1, odd sepal, side view ; 2, one of the side 

 sepals ; 3, lip, flattened out ; 4, one of the petals ; 5, column and 

 petals ; 6, ditto, petals removed ; 7, flower from a diff"erent plant ; 

 8, lip of ditto, flattened out. 



An erect slender glabrous herb, 12-30 cm. high ; leaves usually 

 7-10, erect-spreading- radical narrow-linear acuminate, sheathing- 

 at base, 0"5-15 cm. long- ; scape straight or subflexuous, clothed 

 with 2-3 distant, closely appressed, acuminate submembranous 

 sheaths ; raceme very laxly l-3fl., the flowers erect ; bracts ovate 

 acuminate membranous, shorter than the ovary ; lateral sepals 

 spreading-'porrect, obliquely ovate, subacute concave, 1-1 "3 cm. 

 long ; odd sepal almost horizontal, unguiculate, the lamina galeate 

 erect suborbicular obtuse or acute, a little longer than the lateral 

 sepals, saccate or shortly spurred at base, the spur inflated 

 towards the apex ; petals decumbent, erect towards the apex, 

 falcate, widened above the middle, irregularly lobulate-dentate, 

 lobed at base on the anterior margin, 0*7-0 "8 cm. long ; lip 

 spreading-deflexed unguiculate, the claw narrow-linear, 0"7-3 cm. 

 long-, the blade undulate, cordate or subreniform, acuminate, or 

 3fid, the segments acuminate, the margin crenulate, 1-1-4 cm. long ; 

 rostellum erect Sdentate, the teeth acute ; anther horizontal or 

 resupinate, the g-lands two ; stigma shorter than the rostellum ; 

 ovary l*o-2'5 cm. long. 



Described from several living and dried specimens. Figs. 7 and 

 8 were drawn from a plant sent by Mrs. Heatlie from Ceres, the 

 rest from another plant found by me in the same neighbourhood. 



