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oe 
APOSTASIACEH OF THE MALAY PENINSULA. 259 
This also occurs in Borneo and Java. It is omitted from the 
Flora of British India, but is not rare in Singapore. 
Denprosium (§ BrevirLor®) FLAvIDULUM, Ridl. ex Hook. f., 
Fl. Brit. Ind., vi. p. 185. 
Hab. Singapore: Kranji! Jurong! In mangrove swamps. 
Rhio. 
D. (§ Brevirtorz) viripuLum, Ridl., sp. nova. Caules 
pedales, graciles, flexuosi, basi dilatati incrassati, superne 
% poll. crassi teretes; internodi 1 poll. longi. Folia 3 poll. 
longa, ¢ poll. lata, lanceolata acuminata acuta, flaccida, 
ineequaliter biloba, lobus alter altero } poll. longior. Flores 
parvi, us D. flaviduli eequales, virides, bini in caulibus 
defoliatis, in pedunculo brevissimo siti; ovaria cum pedicellis 
t poll. longa. Sepala lanceolata, acuta ; mentum brevissimum, 
crassum, obtusissimum. Petala sepalis latiora, tenuiora. 
pallidiora. Labellum cum sepalis sequilongum, oblongum, 
cuspidatum; discus crassior; margines tenuiores minute 
denticulati, pubescentes. Colwmna brevis, lata ; stelidia brevia, 
obtusa. 
Hab. Siam: Pungah, Curtis ! 
Near D. flavidulum, Ridl., but weaker and more slender ; 
sepals and petals narrower, longer in proportion. 
D. (§ Pepitonum) secunpum, Lindl. in Bot. Meg., t. 1291; 
Wall. List, n. 1996. 
Hab. Long Island, south of Singapore, W. Nanson ! 
Johore : Common on the East Coast. 
Pahang: Kwantan!, Kwala Pahang! 
Penang: Wallach. 
This species occurs also in Tenasserim and Cochin-China, 
Sumatra, Java, and Borneo. 
It does not seem to be at all common in the Malay Peninsula. 
I have only gathered it myself on low trees in open country in 
Pahang. 
D. (§ Pepinonum) virescens, Ridl., sp. nova. Caules ultra- 
pedales, graciles, teretes, sepe flexuosi. olia 4 poll. longa, 
1 poll. lata, lanceolata acuminata, tenuia, apice admodum 
inequalia. Racemi e caulibus nudis orti, laxi, usque ad 
12-flori ; bractese breves, lanceolate, cuspidatie ; pedicelli 1 poll. 
s 2 
