Materials for a Flora of the Malayan Peninsula. 35 



4. D. GEMiNATUM, Hook. fil. Fl. Brit. Ind. V. 713. Ehizome 

 very long ascending dark purple, over two feet long, pseudobulbs 

 distant, old ones conic 5 angled, 1-1| inch long, ^ inch through deep 

 red or reddish yellow shining. Leaves 2 stiffly coriaceous lanceolate 

 obtuse or elliptic oblong l|-3 inche>s long, ^-^ inch wide. Flowers in 

 terminal panicles of few branches, little longer than the leaves, 3 to 4 

 inches long, red. Bracts lanceolate acute 5 inch long. Pedicel and 

 ovary | inch long pink. Sepals lanceolate acute reddish yellow f inch 

 long, narrow. Petals much narroAver pale yellow. Lip ^ inch long 

 side lobes broad rounded eml)racing the column, chrome yellow, mid- 

 lobe narrow acuminate witli an orange red blotch at ;the base, 2 thick 

 blunt short ridges with a gi-oove between them at the base continued 

 into three elevated veins. C'olumn short thick white edges winged. 

 Anther slipitate, conic. Pollinia 4 oljlolig pyriform. 



Perak: (King\s Collector 8011) Larut Hills at 5,000 feet alt. 

 (Curtis 206?) (Uerry) ; Kedah, Gunong Jcrai (Ridley). Distrib. 

 Java. 



§ 2. BOEBIDIUM. 



5. D. QUADEANGULARE, Par. Hook. fil. Fl. Brit. Ind. V. 714. 

 Pseudobulbs tufted cylindric or dilated upwards 2 inches long yellow. 

 Leaves at the top two, lanceolate obtuse or elliptic apics bilobed 1^ 

 inch long, ^ inch wide. Flowers one or two small from a tuft of 

 bracts terminal, pedicels |' inch long. Upper sepal ovate lanceolate 

 acute, laterals ovate, mentum obtuse curved as long, as the ovary. 

 Petals narrower linear. All pale straw colour, or veined with red. 

 Lip oblong entire yellow with red edges or red veined, apex dilated 

 denticulate refuse with rounded orange process in the centre. Column 

 broad, narrowed at the base, arms short erect. Anther conic. Grif- 

 fith Xotulae, IIL 315, Lindl. Journ. Linn. Soc. III. G. 



Singapore: Kranji, Seletar (Kidley) ; Johor: Kuala Sembrong 

 (Kelsall), Batu Pahat (Eidley) ; Pahang: Pekan (Ridley) ; Selangor: 

 Kajang, Bukit Kupayiang (Cantley's Coll.); Perak: (Scortechini) ; 

 Taipeng (Curtis) ; Penang: Pulau Tikus (Curtis) ; Trenganu : (Ros- 

 tado). Distrib.. Burma, Borneo and adjacent islands. On oi'chard 

 trees. " Sakat Kalumbai " used in cases of dropsy. 



§ 3. Desmotrichum. 



6. D. LONCHOPHYLLUM, Hook. fil. Fl. Brit. Ind. V. 714. Ic. PI. 

 t. 2018. Stems numerous much branched 6 inches to a foot tall, pseu- 

 dobulbs fusiform cylindric, 2 inches long. Leaf lanceolate coriaceous 

 2-3 inches long f-^ wide. Flowei's one or two from an excavation in 

 the pseudobull) ^ inch long. Upper sepal ovate lanceolate blunt yel- 

 lowish with 5 pink stripes, laterals triangular striped pink. Mentum 



