n 6 cxxxvi. orchIde^e. [Mischobulbum. 
wide. Bracts linear acuminate longer than pedicel. Sepals lanceo¬ 
late acute. Petals wider. Lip ovate, side-lobes broad erect rounded 
purple, midlobe short acute, dark brown with 8 raised nerves and 
3 keels. Column stout, wings rather large. Hab. Mountains on 
banks in forest, rare at about 4500 ft. altitude. Perak, Thaiping 
Hills (Kunstler, Curtis, etc.); Gunong Batu Putih (Wray). 
27 . ACANTHEPHIPPIUM, Bl. 
Terrestrial plants with a cylindric pseudobulb and few large 
herbaceous ovate leaves, ribbed and plicate petioled. Raceme short 
from the base of pseudobulb, base covered with large sheaths. 
Flowers large ventricose. Sepals cohering, tips recurved, laterals 
adnate to foot of column; rnentum large saccate. Petals narrow 
erect. Lip very small stipitate on column foot, side-fobes broad 
erect, midlobe recurved, a callus on disc. Column short, stout, 
foot very long. Pollinia 8 erect. Species 5 or 6, Indo-Malaya, 
China. 
(1) A. javanicum Bl. Bijdr. 353; FL Jav. Orch. Arch. 156, 
t. 49; Bot. Mag. t. 4492. 
Stem about 4 in. long. Leaves oblong-lanceolate acute at both 
ends, 1*5 to 2 ft. long, 6 to 7 in. wide. Raceme stout, 4 in. long. 
Bracts large ovate acuminate green ribbed, 1-5 in. long. Pedicel 
and ovary shorter. Flower 2 in. long. Sepals yellowish striped 
pink. Petals nearly as broad. Lip claw long, side-lobes oblong, 
truncate, rosy white, disc 4 lamellae toothed, in middle of lip. 
Anther conic. Capsule 3 in. long, clubbed. Hab. Woods. Negri 
Sembilan, Tampin (Burkill). Dislrib. Java. 
28 . PACHYSTOMA, Bl. 
Terrestrial herb, with underground rhizome. Leaves 1 or 2, 
post-floral, lanceolate narrow, plicate. Scape tall, slender; flowers 
pendulous racemed. Bracts large scarious. Sepals sub-equal, 
laterals adnate to column base. Petals narrow spathulate. Lip 
sessile erect, side-lobes oblong, midlobe short, disc with 3 to 5 
fimbriate or crested ridges. Column slender, no foot. Anther 
4'Celled. Pollinia 8, pear-shaped. Species 6 to 8, Indo-Malaya, 
Africa, Australia, but nearly all might be considered one species. 
(1) P. sessile Rchb. fil. Bonplandia, iii. 250; Hook. fil. F.B.I. 
v. 812. 
Rhizome 1 to 2 in. long. Leaf 1, very narrow. Scape 2 to 
3 ft. tall, with lanceolate acuminate sheath leaves. Flowers about 
20, rather distant, pink. Bracts lanceolate long-acuminate caudate, 
*5 in. long. Pedicel and ovary -25 in. long, pubescent. Sepals 
*25 in. long, lanceolate long-acuminate pubescent, pink. Petals 
very narrow linear. Lip shorter, yellow. Hab. Local on sandy 
heaths. Lankawi, Burau (Robinson). Setul heath. Dislrib. India. 
