508 CIX. ACANTHACEX. (C. B. Clarke.) [Gymnostachyum. 
ovate, panicle large pubescent, corolla 3-1 in. slender. Justicia venusta, 
Wall. Cat. 2470, and Pl. As. Rar. i. 58, t. 66; Bot. Reg. t. 1380. 
Cryptophragmium venustum, Nees in Wall. Pl. As. Ear. ii. 180, and in 
DC. Prodr. xi. 94; Bot. Mag. t. 3208. 
KnuasrA Mrs., alt. 0-4000 ft., common on the southern face, Wallich., H. f. & T., 
&c. 
Attaining 1—4 ft.; stem leafless or with few remote very small leaves. Radical 
leaves 6 by 3-4 in., or larger, acute, decurrent on the petiole, entire or undulate- 
crenate, nearly glabrous, or with scattered minute hairs above, nerves beneath pubes- 
cent; petiole 0—4 in. Panicle sometimes 8 by 12 in., or reduced to a single spike ; 
flowers opposite, 1-3 together; bracts small, linear; bracteoles 0. Sepals 34 in. 
linear, hairy. Corolla pubescent; limb deep purple or blueish. Anthers oblong, 
glabrous. Capsule 3 in. 
2. G. febrifugum, Benth. in Flora 1849, 558; leaves ovate, panicle 
puberulous, curolla 12 in. upper half inflated, capsule 1 in. G. alatum, 
Wight Ic. t. 1525; T. Anders. in Journ. Linn. Soc. ix. 506. 
S. Deccan PENINSULA; Mangalore, Hohenacker (n. 374), Wight. 
Nearly stemless. Leaves 64 by 3 in., decurrent on the petiole, subentire or undu- 
late-crenulate, above lineolate nearly glabrous or minutely sparsely setulose, beneath 
paler glabrous or pubescent on the nerves. Panicles 6-12 in., in appearance radical; 
flowers opposite, solitary or in very small few-Hd. cymes; bracts small, narrow; 
bracteoles 0. Sepals 1-4 in., glabrous or puberulous. Corolla glabrous. Anthers 
ovate, hairy.—Hohenacker observes that “a decoction of the root is a febrifuge,’ 
and Bentham's name febrifugwm has one year's priority over alatum. 
3. G. ceylanicum, Arn. & Nees in DC. Prodr. xi. 93; leaves elliptic 
glabrate lineolate above, panicles linear pubescent, corolla 2 in. T. Anders. 
in Thwaites Enum. 232, and in Journ. Linn. Soc. ix. 500; Bedd. Ic. Pl. 
Ind. Or. t. 265. 
CEYLON; Walker, Thwaites, &c. 
Stem 1-3 in., villous. Leaves 3 by 1} in., obtuse, base acuminate, undulate- 
crenate, pubescent beneath especially on the nerves; petiole 1} in. Peduncles 1-6 in. 5 
panicles 5-9 by 1 in.; cymes small, subfascicled ; bracts } in., linear. Sepals à In» 
linear-lanceolate, grey-pubescent. Corolla nearly glabrous; tube narrow purplish ; 
limb small greenish-yellow. -Anthers subquadrate, glabrous. Capsule $ in. 
4 G. Thwaitesii, 7. Anders. in Thwaites Enum. 232; leaves elliptic 
hairy on both surfaces, panicles oblong pubescent, corolla 4 in. Bedd. Ie. 
Pl. Ind, Or. t. 255. 
CEYLON; Ambagamowa District, Thwaites. 
Leaves above with many lax multicellular hairs. Panicle open; lateral cymes 
3-1} in. Otherwise as G. ceylanicum. 
5. G. polyanthum, Wight Ic. t. 1494; leaves broadly ovate sub- 
glabrate base rounded or cordate, panicles linear glabrous or nearly 8° 
corolla $ in. 
Coore ; Jerdon, in Herb. Wight. 
Stem 1 in., grey-puberulous. Leaves 2} in. diam., shortly acute or subobtuse, 
nearly entire, punctulate above; nerves beneath much raised, grey-puberulous ; petiole 
lł in. Panicles 8 by 3 in.; flowers in subcapitate cymes; bracts minute, linear. 
Sepals 4-4 in., linear-lanceolate, glabrous or obscurely puberulous. Corolla puberu- 
lous, pink (in the dried example). Capsule $ in.—Overlooked by T. Anderson. 
tt Stems elongate, leafy upwards. 
6. G. paniculatum, T. Anders. in Thwaites Enum. 232; leaves ovate 
