CXXXVl. ORCHIDEiE. 
22l 
Hetceria.] 
Upper sepal usually adnate to petals pubescent. Lip uppermost, 
boat-shaped with 2 or more small calli inside, tip narrow, sides involute 
and often connate into a tube. Column rather large with long 
rostellar arms. Differs from Zeuxine in the absence of a dilated 
end to the lip. Species about 40, Africa, Indo-Malaya, Polynesia. 
Calli in sac of lip 2. 
Plant 2 ft. tall; flowers comparatively large, 
yellow . . . . . . . (1) H. alta 
Plant short slender; flowers small . . . (2} H. obliqua 
Calli 4 in 2 pairs with a 2-toothed lamina in front; 
flowers small; ovary glabrous . . . (3) H. elata 
Calli 2 semi-ovate, ridges and 2 short keels ovary 
hairy.(4) H. pauciflora 
Calli a row of linear processes on each side of sac . (5) H. nitida 
Calli numerous short processes in lip-sac. 
Tall many-flowered plants; leaves ovate, 3 to 4 in. 
long. 
Lip tip sub-acute . . . . . (6) H. ophirensis 
Lip tip with a fleshy wart . . . . (7) H. elegans 
Slender plant, few flowers; leaves sub-sessile, 1 in. 
long . . . . . . . (8) H. parvifolia 
(1) H. alta Ridl. (misprinted alba) Journ. Linn. Soc. xxxii. 
404; Mat. i. 221. 
Plants nearly 2 ft. tall. Leaves numerous ovate acuminate 
acute oblique, 4 in. long, 1-75 in. wide; petioles 1 in. long; sheaths 
large. Spike 10 in. long. Flowers yellow glabrous, except pubes¬ 
cent ovary, *75 in. long. Bracts *25 in. long. Sepals lanceolate 
blunt. Petals free, as long. Lip shorter boat-shaped with 2 linear 
calli inside, limb lanceolate, sides involute. Anther lanceolate- 
linear. Column arms obliquely oblong cuneate. Rostellum lobes 
shorter than anther. Capsule ellipsoid, -5 in. long. Hab. Hill- 
forests, Perak, Hermitage Hill; Kamuning (Ridley). 
(2) H. obliqua Bl. Orch. Arch. Ind. 104, t. 34, fig. 1; Ridl. 
Mat. i. 222. 
About 1 ft. tall; stem long-creeping stout. Leaves oblique 
lanceolate, dark green, often with a median silver bar, 2 to 3 in. 
long, -75 to 1 in. wide; petioles *5 to 1 in. long. Scape slender 
pubescent. Spike 3 to 10 in. tall. Flowers numerous reversed. 
Bracts half as long as ovary, pubescent. Upper sepal nearly -25 in. 
long, connate half-way with petals, white, laterals pubescent, 
lanceolate blunt, dull red base gibbous. Lip very small, base boat¬ 
shaped, edges meeting at tip rolled into a narrow tube then open 
spoon-shaped, white, 2 triangular toothed calli in lip. Column 
large yellow; anther lanceolate red. Pollinia 2 clubbed narrowed 
to 2 caudicles, disc oblong. Rostellar arms long, linear. Capsule 
elliptic sessile, *36 in. long. Hab. Common in woods. Singapore, 
Serangoon Road; Bukit Timah; Pulau Damar. Johor, Panchur. 
Sungei Ujong, Bukit Danan (Cantley). Perak. Penang, Pulau 
Betong (Curtis). Dislrib. Borneo, Sumatra. Native name: Poko 
Tumbak Hutan. Use: For poulticing sores. 
