Agrostophyllum.\ cxxxvi. orchide ^ e . 107 
fiat. Flowers small, white in dense terminal heads. Sepals upper 
lanceolate or ovate, laterals wider, forming a mentum. Petals 
smaller. Lip saccate at base, with low side-lobes, often a transverse 
callus in front; midlobe longer broad ovate. Column broad, no 
foot. Pollinia 8, attached to a small disc. Species about 15, 
Indo-Malaya, Polynesia, Seychelles. 
§ 1. Eu-agrostophyllum. Leaves long, grassy. 
Flower-heads large compact. 
Stem broad flat . . . . . . (1) A. majus 
Stem terete at base slender .... (2) A. callosum 
Head of small flexuous spikelets, lax . , . (3) A. glumaceum 
§2. Appendiculopsis. Leaves short oblong bilobed; stems long slender terete. 
Leaves *25 in. long; stem i ft. long erect . . (4) A. bicuspidatum 
Leaves -75 in. long; stems very long pendulous . (5) A. Hasseltii 
(1) A. majus Hook. fil. F.B.I. v. 824; Ic. Pl. 2096; Ridl. 
Mat. i. 108. 
Stems numerous, 2 to 3 ft. long, *5 in. wide, forming a large 
clump. Leaves lanceolate lorate blunt, 8 in. long, -5 in. wide, 
rather thin; sheaths flat, 2 in. long. Heads of flowers dense, 1 in. 
across. Outer bracts broad ovate, floral bracts small. Flowers 
numerous, *25 in. wide, white. Sepals ovate acute keeled. Petals 
much narrower, linear. Lip saccate, side-lobes low incurved almost 
meeting a transverse bar in front madder red, limb ovate, white. 
Hab. Common. Singapore, Selitar, Kranji (Ridley). Pahang, 
Pekan; Telom. Perak, Goping (Kunstler); Thaiping Hills. Dis- 
irib. Sumatra. 
(2) A. callosum Rchb. fil. Seem. FI. Vit. 296; Ridl. Mat. i. 108. 
Stems woody, terete below slightly flattened above, 2 to 5 ft. 
tall in a tuft. Leaves linear blunt, 4 to 7 in. long, *25 in. wide; 
sheaths 1 in. long, edged black. Heads of flowers -5 to 1-5 in. wide, 
dense. Flowers *25 in. wide. Sepals ovate-orbicular. Petals 
orbicular. Lip 3-lobed, midlobe orbicular emarginate with a 
large divided callus near base. Hab. Rare. Selangor, Bukit 
Hitam (Kelsall); Rawang. Distrib. Sikkim, Burma. 
(3) A. glumaceum Hook. fil. F.B.I. v. 821; Ic. PI. 2095 ; 
Ridl. Mat. i. 108. 
Stems tufted short flat, 6 in. long, -5 in. wide. Leaves dis¬ 
tichous, lower sheath-like, upper two with flat sheaths 2 in. long 
and thin grassy leaves linear acuminate, 2 ft. long, *5 in. wide. 
Head 1*5 in. wide, lax; racemes very numerous, flexuous. Flowers 
white. Ovary short covered with black wool. Bracts ovate 
mucronate. Sepals ovate. Petals linear. Lip base saccate, side- 
lobes acute, limb large ovate. Column tall, arms triangular acute, 
edged crimson. Stigma with a tongue-shaped process. Anther- 
beak orange. Capsule narrow oblong, *25 in. long. Hab. On trees 
by streams. Negri Sembilan, Labu Reservoir, Seremban (Williams). 
Sungei Ujong (Cantley). Selangor, Rawang; Semangkok Pass, 
Ulu Gombak (Ridley). Perak, Ulu Bubong (Kunstler). 
