164 
RIDLEY. 
2. HEDYCHIUM Koenig. 
Terrestrial or epiphytic herbs. Stems elongate, leafy. Leaves oblong 
or lanceolate. Inflorescence a terminal spike. Bracts oblong or lanceo- 
late, subcoriaceous. Flowers one or more to each bract, showy. Calyx 
tubular, 3-toothed. Corolla-tube long, slender, the lobes linear, spread- 
ing or reflexed. Staminodes linear. Filament long, slender; connec- 
tive not prolonged. Lip large, bifid. Ovary 3-celled, many-ovuled. 
Style long, filiform; stigma small. Capsule globose or oblong, 3-valved. 
Seeds many, small, with a colored aril. 
Species about 40, Indo-Malayan. 
Terrestrial; flowers large, white 1. H.coronarium 
Epiphytic; flowers red 2. E. philippinense 
1. H. coronarium Koen. in Retz. Obs. 3 (1783) 73; Rose, in Trans. Linn. 
Soc. 8 (1807) 343, t. 20, f. 6; Monandr. PI. (1828) t. 51; Sims in Bot. Mag. 
t. 708; Smith Exot. Bot. 2 (1805) t. 107; Wight Icon. t. 2010; Horan. Monogr. 
(1862) 24; Baker in Hook. f. FI. Brit. Ind. 6 (1892) 225; K. Schum. in 
Pflanzenreich 20 (1904) 44. 
H. gandasulium, H. prophetae & H. album Ham. ex Wall, in Hook. Kew 
Journ. Bot. 5 (1853) 325. 
H. lingulatum Hassk. PI. Jav. Rar. (1848) 135; Horan. Monogr. (1862) 25. 
Stems 1 to 2 m tall. Leaves oblong-lanceolate to lanceolate, acumi- 
nate, base acute, the upper surface glabrous, the lower pubescent or 
glabrous, 8 to 60 cm long, 3 to 11 cm wide; ligule 2 to 3 cm long, 
membranous, obtuse. Spike ellipsoid, 5 to 12 cm long, 4 to 8 cm thick. 
Bracts ovate, obtuse, green with a pale margin, 2- or 3-flowered, 4 to 5.5 
cm long, 2 to 3 cm wide. Ovary silky, 5 mm long. Calyx tubular, 
cleft on one side, 4 cm long. Corolla white, the tube cylindric, 8 cm 
long, the lobes narrow, lanceolate. Lip obcordate or obovate, more or less 
deeply bilobed, white with a yellow median line. Staminodes broad, 
oblong-lanceolate, blunt, 4 cm long. Stamen shorter than or equaling 
the lip, 3.5 cm long, white; anther 12 mm long. Capsule oblong. Seed 
angled, with a lacerate aril. 
Samar, Catubig, Merrill 5226. Mindanao, Lake Lanao, Camp Keithley, Mrs. 
Clemens 77. 
Probably a native of the Himalayan region but now spread as an alien or 
garden escape over most of the tropics. 
2. H. philippinense K. Schum. in Pflanzenreich 1. c. 47. 
An epiphytic herb 0.5 to 1 m tall. Stems solitary or two or three in 
a cluster. Leaves lanceolate, petiolate, 23 to 45 cm long, 7 to 8 cm 
wide, glabrous, the apex acute, the base narrowed to the petiole, pale 
beneath; petiole about 2 cm long; ligule large, membranous, acute. 
Spike subterminal, cylindric, nearly sessile, 9 cm long, 2 cm thick. 
Bracts elliptic or lanceolate, subacute or obtuse, coriaceous, punctate, 
ribbed, closely imbricate, 1 to 1.5 cm wide, pubescent at the apex, the 
margins scarious. Bracteoles tubular, split on one side, pubescent. Flow- 
ers in threes, yellow. Ovary glabrous. Calyx tubular, slender, 4 to 6 
