THE FLORA OF THE MALAY· PENINSULA

260 CXXXVII. ZINGlBERACE..£. [Zingiber.
(7) Z. chrysostachys Ridl. Journ. Roy. As. Soc. S. Br. 32,
p. 129; Mat. ii. 28.
Stems slender, 2 ft. tall, purplish. Leaves 10, lanceolate acuminate,
5 in. long, 1'5 in. wide, ligule I in. long. Peduncles 2 in.
long, thick. Spikes 4 in. long, cylindric. Bracts broad truncate
retuse, yellow. Corolla white, lobes lanceolate acute, 1 in. long.
Lip base narrow linear, lobes ovate blunt white, midlobe bifid
dotted crimson. Anther-cells elliptic, pink-spotted. Hab. Local
in dense woods. Perak, Thaiping Hills (Curtis, Wray).
(8) Z. chryseum Ridl. Journ. Roy. As. Soc. S. Br. 32 , p. 149.
Stems often tall, stout. Leaves oblong-Ianceolate caudate, dark
green glabrous, base round, 18 in. long, 3'75 to 4 in. wide; ligule
very short. Spikes cylindric acuminate, 7 in. long; peduncle as
long. Bracts '75 in. across, rounded glabrous, lemon yellow.
Calyx spathaceous oblique entire, 1 in. long. Corolla tube 2 in.
long, lobes lanceolate acuminate, over 1 in. long, cream white.
Lip side-lobes round, midlobe oblong blunt entire, 1 in. long,
cream white. Hab. Very rare. Singapore, in a wood at Stagmount
in 1908, cleared and burnt a year or so later.
(9) Z. citrinum Ridl. J ourn. Roy. As. Soc. S. Br. 32, p. 129;
Mat. ii. 28.
Stems 1 ft. tall. Leaves broad lanceolate dark green, pubescent
beneath, 8 in. long, 4 in. wide; ligule very short. Spike oblong
blunt, 4 to 5 in. long; peduncle 3 in. long. Bracts broad round,
lemon yellow (pink in fruit). Calyx '75 in. long, bifid. Corolla
tube 2'5 in. long, lateral-lobes connate and adnate to lip, '75 in. long,
yellowish. Lip side-lobes large oblong round, mid lobe lanceolate
blunt, yellow. Hab. In woods. Johor, Gunong Janeng (Kelsall).
Selangor, Ginting Peras; Ginting Bidai; Dusun Tua. Perak, DIu
Bubong (Kunstler). Native name: Tepus Tenok.
(10) Z. gracile Jack, Mal. Misc. I, NO.1; Ridt. Mat. ii. 29.
Stems glabrous slender, 2 ft. tall or more. Leaves ovate or
ovate lanceolate acute pubescent beneath, 6 in. long, 2'5 in. wide.
Peduncle 6 to 12 in. long. Spike 4 to 6 in. long, cylindric acute,
base narrowed. Bracts ovate blunt or acute pink. Calyx lobes
long lanceolate acute. Corolla tube 1 in. long, lobes lanceolate
acute, yellowish white. Lip side-lobes round, '5 in. long, midlobe
deeply bifid acute. Capsule'5 in. long, elliptic. Hab. Woods
not rare. Singapore, Bukit Timah. Pahang, Kwala Tembeling;
Tahan River. Malacca, Sungei Hudang (Goodenough); Mt. Ophir
(Hullett). Selangor, Bukit Hitam (Kelsall); Kwala Lumpur.
Perak, Batang Padang (Kunstler). Penang (Jack).
var. datior Ridl. Taller and more slender,s ft. tall. Leaves
narrow linear acuminate. Peduncle 18 in. long. Spike 7 to 8 in.
long. Perak, Thaiping Hills (KunstIer). Penang Hill.
(II) Z. Griffithii Bak. in Hook fil. F.B.I. vi. 246.
About 3 ft. tall, '25 in. through. Leaves elliptic acuminate,