APOSTASIACE® OF THE MALAY PENINSULA. 241 
laris emarginatus flavus in margine sinuatus lobis obtusis; 
carine 2, magne, basi rects, in lobo medio sinuate carina 
intermedia recta addité. Colwmne pes rectus; stelidia erecta, 
ovata, subacuta. Anthera smaragdina, apice obtusa; rostrum 
ovatum, brevissimum; pollinia qualia, lineari-oblonga ; caudi- 
culus longus. Stigma latum nec profundum, transversum, 
ovale. Rostellum subelongatum, porrectum, truncatum, bifidum, 
lobis parallelis. 
Hab. Singapore: mangrove swamps, Kranji! 
A small straggling plant with weak stems, the flowers small 
yellowish-white, with the terminal lobe of the lip brighter 
yellow, and the anther and a spot at the apex of the column 
foot bright emerald green. It is very distinct in its thin, 
broad pseudo-bulbs and the form of the mid-lobe of the lip, 
which is broader than the lateral lobes, and so deeply emar- 
ginate that it is almost bi-lobed. 
DENDROBIUM PALLENS, Fidl., sp. nova. Caules 10 poll. longi, 
rami subteretes, flavo-virides. Pseudo-bulbi 1{-1} poll. longi, 
3 poll. crassi, paullo complanati ferme cylindrici, longitudinaliter 
rugosi, flavi. Folium 3 poll. longum, 1 poll. latum, oblongum 
vel oblongo-lanceolatum, obtusum, coriaccum, carinatum, 
canaliculatum, striatum. Racemus brevis, in bracteaé } poll. 
longi siccé flava involutus. Bractea floralis parva, ovata, 
mucronata, ad pedicellum arcte appressa; pedicellus cum 
ovario 3 poll. longus, viridis. Fos singulus, nutans, mediocris. 
Sepala subsqualia, $ poll. longa 38; poll. lata, oblongo-lan- 
ceolata, recurva, pallide viridia; mentum j poll. longum, 
obtusum, viride cum sepalis lateralibus sepe roseopunctatum. 
Petala minora, lineari-lanceolata, acuta. Labellum album ; lobi 
laterales falcati acuti, medius obcordatus profunde emarginatus 
lateralibus multo latior, apice divaricati obtusi truncati in 
marginibus sinuati; carine 2, alte, in disco recte, in lobo 
medio sinuate, tertid median’ recté addita. Colwmna brevis, 
crassa, viridis; pes longus ; margines elevati; clinandrium 
vix profundum. Anthera conica, truncata; pollinia oblonga ; 
stelidia parva, recta, dentiformia. Stigma rotundatum, margine 
basali rectum. Capsula oblonga, basi angustata ; coste steriles 
lineares, fertiles duplo latiores in dorso rotundate. 
Hab. Siam: Bangkok! 
Brought down by natives and cultivated in the Singapore 
LINN. JOURN.—BOTANY., VOL. XXXII. R 
