124 THE SCITAMINEZA OF THE MALAY PENINSULA. 
bract 4 an inch long lanceolate acute keeled. Calyx short 
cartilaginous red, lobes very short, the two upper ones mucro- 
nate keeled, the lower one longer lanceolate not keeled, nor 
mucronate. Corolla tube very short hardly + inch long loles 
equal, mucronate 2 inches long and one across, white sometimes 
tinted with rose. Lip very large obovate convolute 4 inches 
long and as wide, white with a central yellow bar, and an 
orange spot at the entrance to the tube, the centra_ hispid. 
Stamen 2 inches long, the filament broad oblong thin 4 an 
inch wide, hairy on “the back, connective prolonged into an 
oblong acuminate upcurved crest, orange beneath. Anther 
narrow linear $ an inch long. Style rather stout 2 inches long 
elabrous. Stigma transversely oblong quadrate, slit narrow 
subterminal. _ Ovary glabrous three-angled red three-celled, 
Cepscle coriaceous oblong red crowned with the persistent calyx 
+ an inch long each cell ‘splitting longitudinally. Seed angled . 
black about 2 inch long 4 or 5 in each cell. 
Var. argyrophyllus Wall, Cat. 6555. Baker l.c. 250. 
A more slender woodland form with more branched pubes- 
cent stems, leaves pubescent at the back, bracts and calyx less 
brightly colored, often plain green, flower spikes much smaller, 
lip smaller with no yellow spot in the mouth, petals often tinted 
pink. ‘This variety keeps true under cultivation, but is hardly 
distinct enough to constitute a separate species. 
Auother variation I have once met with bore the flower 
spike on the rhizome instead of on the end of the leafy stem. 
] have also seen a form of otherwise typical C. speciosus 
with no yellow on the lip, and forms occur in which the flower 
is more or less tinted with pink. | 
‘I'he common form occurs in damp open places, the var, 
argyrophylius in denser woods. 
Singapore abundant, Johore, Tanjong Kupang; Tengarah 
(Feilding), Malacca, common, var. argyrophyllus at Lubok Ked- 
ondony, and Jasin, Ophir; and Sungei Hudang. Sungei Ujong. 
Bukit Tampin. Selangor, Kwala Lumpur, ete. Pahang, Tahan 
river, Chengei. Perak, Hermitage Hill (var. argyrophyllus) Pen- 
ane. Thisis the plant known as S’tawa or Tawar by the 
Malays. It is used in various ceremonies. 
