CXXXVII. ZINGIBERACE^. 
276 
[Geostachys. 
(1) G. decurvata Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 158; 
Mat. ii. 45. Alpinia decurvata Bak. in Hook. fit. F.B.I. vi. 257. 
Stems 4 to 5 ft. tall. Leaves narrow lanceolate acuminate, 18 in. 
long, 1*5 in. wide; petioles -5 in. long. Leaves 12 to 14 in. long, with 
long dry lanceolate sheaths at base. Spikes secund distant lanceo¬ 
late, 1 in. long on peduncles -5 in. long. Flowers 2 in a spike. 
Corolla-lobes lanceolate blunt, -5 in. long, buff. Lip 1 in. long, 
obcuneate oblong buff. Anther-crest small, round. Capsule 
elongate dark red. Hab. Forests at 3000 ft. altitude. Perak, 
Thaiping Hills (Kunstler). 
(2) G. secunda Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 158; Mat. 
ii. 44. Alpinia secunda Bak, in Hook. fil. F.B.I, vi. 257. 
Stems 18 in. tall. Leaves about 4, elliptic-lanceolate cuspidate, 
base narrow, 1 ft. long, 3 in. wide; petioles 1*5 in. long. Scapes 
decurved, 4 in. long; flower spikes numerous secund; peduncles -5 
in. long. Flowers 2 in a spike, yellowish. Bracts pubescent. 
Calyx -25 in. long. Corolla tube shorter, lobes -5 in. long. Lip 
oblong, obtuse longer. Anther crestless. Capsule -5 in. long, 
dark red. Hab. Mountains on rocks at 3000 to 4000 ft. altitude. 
Perak, Gunong Batu Putih (Kunstler); Bujong Malacca. 
(3) G. rupestris Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 157; 
Mat. ii. 45. 
Rhizome woody, stout. Leaves broad lanceolate cuspidate, 8 in. 
long, 1*5 in. wide; petioles short. Scapes decurved secund, 3 in. 
long. Spikes 1 in. long. Calyx spathaceous, pink, limb ovate 
cuspidate, *5 in. long. Corolla tube slender shorter, lobes oblong 
lanceolate, yellow. Lip obovate yellow with red marks. Anther- 
crest small rounded. Hab. Mountains on rocks at 4000 ft. altitude. 
Pahang, Gunong Tahan. Kedah Peak (Ridley). 
(4) G. densiflora Ridl. 
Rhizome stout woody. Stem over 1 ft. tall. Leaves narrow 
lanceolate, narrowed to base, 16 to 18 in. long, 1*5 in. wide; petioles 
•5 to 1 in. long, slender; ligules narrow, -5 in. long. Scape 4 in. long. 
Rachis and peduncles hairy. Spikes 75 in. long, 2-flowered. Calyx 
pink spathaceous long-cuspidate. Corolla lobes linear-oblong, pink. 
Lip obovate-oblong, buff, 75 in. long. Anther-crest large round. 
Capsule sub-globose red. Hab. Local at 4000 ft. altitude. Perak, 
Gunong Kerbau (Robinson). 
(5) G. penangensis Ridl. Journ. Roy. As. Soc. S. Br. 32, p. 159. 
Stem about 18 in. tall. Leaves narrow lanceolate acuminate both 
ends, 1 ft. long, 1 to 1*5 in. wide; petioles -25 in. long. Scapes 
deflexed second, 3 in. long. Bracts slightly pubescent. Spikes *6 
in. long including 2 flowers; peduncles -i in. long. Calyx -5 in. long. 
Corolla tube shorter, red, lobes *5 in. long. Lip nearly 1 in. long, 
• 5 in. across, trilobed, side-lobes short, midlobe obovate ochre yellow. 
Anther crestless. Hab. Very local. Penang Hill. Abundant at 
2000 ft. altitude on banks (Curtis). 
