THE SCITAMINEZ OF THE MALAY PENINSULA. 121 
C. sylvestris Ridl. Trans. Linn. Soc. vol. 3 p. 378. 
Rhizome slender creeping for some distance. Leaf soli- 
tary with a slender petiole 14 feet long, blade ovate acute 
eight inches long four and a half inches wile, green 
above purple beneath, glabrous. Scape slender four to six 
inches long close to the leaf and enclosed with the petiole 
at the base by a large sheath ; spike obconic 14 inch long. 
Bracts broad ovate with the points recurved rosy. Flowers 
small white. Covolla with a slender tube $ an inch long, lobes 
narrow linear acute $ an ipch long. Lip oblong obovate emar- 
ginate, the lobes rounded white with a yellow central spot, and 
some violet streaks on the lobes. Staminodes broader than the 
petals lorate obtuse white. Stamen with a broad filament, anther 
oblong with the crest broad recurve. obtuse dark violet, cells 
narrow linear. 
Pahang, Tahan Woods. 
C. parviflora Wall. FI. As. Rar. 147. t 57. collected by 
Wallich near Prome in Burmah has been found by Dr. Keith in 
Siam. 
CONAMOMUM n. gen. 
Stout plants with a woody rhizome elevated above the 
ground. Leafy stems tall. Leaves oblong lanceolate. Scapes 
on the rhizome pelunclel with dense spikes of flowers, bracts 
stiff green or brown persistent. Calyx tubular with three equal 
regular lobes. Corolla tube short and thick, lobes unequal, the 
upper one largest oblong. Lip three-lobed or entire. Stamino- 
des linear smaller than corolla lobes. Stamen short and broad, 
anther with curved linear arms above. Capsule subglobose or 
oblong. 
These plants have the general habit of Geostachys, but pos- 
sess free staminodes of some size, and the curved aris of the 
anther like those of Amomum. 
C. citrinum. n. sp. 
Leaves oblong lanceolate cuspidate, base acute a foot or 
more long, 3 inches wide, glabrous, midrib stout, petiole short 
winged, ligule + inch long. Scapes several about 13 inches tall. 
Peduncle 8 inches long and nearly ? inch through, stiff with 
