three, four, to eight inches long, few or many-flowered. Flowers 

 sessile, bracteated. Ovary clavate. Petals linear, dull-green, 

 and, as well as the longer sepals, much spreading. Lip erect, 

 elliptical-ovate or lanceolate, acute, grooved, more or less pu- 

 bescent or arachnoid, yellowish, mottled with dull-purple and 

 marked with longitudinal lines of the same colour. Column very 

 short, thickly sunk in a cavity at the base of the lip ; its apex 

 {clinandrium) three-lobed. 



Fig. 1. Front view of a flower. 2. Narrower form of the lip. 3. Side view 

 of the column. 4. Front view of a column. 5. Pollen-masses :— all more or 

 less magnified. 



