ORCHIDEZ RECORDED FROM BORNEO. 271 
DENDROBTUM (Š DisTicHOPHYLLE) OVATIFOLIUM, sp. nov. 
Caulis crassus, ultra tripedalis, } poll. crassus (in sicco sub- 
4uadrangulatus canaliculatus). Folia inferiora lanceolata sub- 
acuta, superiora ovata subamplectentia, 1} pollices longa, 1 pollicem 
lata, coriacea, apicibus insqualiter bilobis, vaginis pollicem 
longis, oribus integris striolatis (siccis) atro-purpureis. Racemi 
brevissimi, 3 poll. longi. Bractea ovata acuta, parva. Flos 
carnosus, ovario in pedicello 2 poll. longo. Sepala ovata acuta, 
£ poll. longa, 4 poll. lata. Mentum rectum conicum, ovarium 
superans. Petala angustiora. Labellum pollicem longum; lobi 
laterales oblongi excurvi obtusissimi, apicibus rotundatis; lobus 
medius obcuneatus, apice rotundato emarginato, Š poll. longus, 
ferme 4 poll. latus. Columna breviuscula, clinandrio profundo. 
Stelidiis ovatis acutis, majusculis. 
Beutang Lupar, Sarawak (Bishop Hose). 
The largest and stoutest of this section, remarkable not only 
for its large size but also for its large ovate leaves. 
D. uNIFLORUM, Griff. Notul. iii. p. 305, Matang, growing on 
:& shrub at 2000 feet alt. (Haviland). 
D. BIFARIUM, Lindl. in Wall. Cat. n. 2002. Sarawak 
«{ Haviland). 
D. Hoset, Ridl. in Trans. Linn. Soc. ser. IT., Bot. iii. (1893) 
p. 363. Kuching, Sarawak (Bishop Hose!) (Haviland !). 
The leaves of the Bornean form are a little narrower than that 
-of the Pahang one. 
D. prstacuyon, Lindl., D. tycoroptorpes, Lindl., and D. 
‘Tmestetents, Lindl. in Journ. Linn. Soc. ( Bot.) iii. (1859) p. 13, 
belong apparentlv to this section. The two latter were collected 
at Sarawak by Lobb, but apparently not recently. 
D. ($ PEDILONUM) SECUNDUM, Lindl. in Wall. Cat. n. 1996, 
et Bot. Reg. t. 1291. Sarawak (Haviland). 
Var. BURSIGERUM (D. bursigerum, Lindl. in Journ. Linn. Soc. 
( Bot.) iti. (1859) p. 16). Sarawak (Bishop Hose! V. v.). 
This variety is only a poor and weak form of the common 
plant. 
D. cuwuraATUM, Lindl. in Gard. Chron. (1855) p. 756. 
Kuching, Sarawak. Sepals and petals white, lip with red longi- 
tudinal lines (Haviland !). 
