Rhinacanthus.] ^ cix. AcANTHACEX. (C. B. Clarke.) 541 
XL. RHINACANTHUS, Nees. 
Shrubs, sometimes subscandent. Leaves entire. Panicle divaricate or 
dense; flowers solitary (or in minute cymes), sessile; bracts and brac- 
teoles small, linear-lanceolate. Calyx small, sub-5-partite, segments linear- 
lanceolate. Corolla white, tube very long narrowly cylindric, scarcely 
widened at the top; limb 2-lipped, upper lip lanceolate acuminate entire or 
shortly 2-lobed, recurved or twisted, lower broad 3-lobed. Stamens 2, 
inserted near the top of the corolla-tube ; anthers 2-celled ; cells superposed, 
muticous. Ovary 4-ovulate; style filiform, minutely bifid at the tip. 
Capsule clavate, 4-seeded, stalk long solid cylindric. Seeds ovoid, mode- 
rately compressed, glabrous, obscurely rugose or tuberculate.—Species 4, 
tropical Asiatic and African. 
l. R. communis, Nees in Wall. Pl. As. Rar. ii. 109, and in DC. 
Prodr. xi. 442 ; leaves oblong or ovate-oblong pubescent or glabrate, panicle 
large spreading, calyx densely pubescent. Wight IIl. 164 bis, fig. 9, and 
de. t. 464; Dalz. & Gibs. Bomb. Fl. 194; T. Anders. in Journ. Linn. Soc. 
ix. 922. Rh. Rottlerianus, Nees in Wall. Pl. As. Rar. iii. 109, and in DC. 
Prodr, xi. 443. Justicia nasuta, Linn.; Roxb. Fl. Ind. i. 190; Blume 
Bijd. 785; Wall. Cat.2440; Blanco Fl. Filip.14; Bot. Mag. t. 325; Griff. 
wd iv. 143. J. Rottleriana, Wall. Cat. 2477.—Rheede Hort. Mal. ix. 
Throughout Inpra, cultivated ; perhaps wild in the Deccan Peninsula and CEYLON. 
—Disrrrs. Java, Madagascar, &c., cultivated. . . 
. Leaves 3—4 by 3-14 in., usually narrowed at both ends, margin undulate ; petiole 
jin. Cymes terminal and on short lateral branches, dusky-pubescent ; flowers often 
clustered ; bracts and bracteoles O- in. linear. Calyx h in. Corolla-tube 1 by 
% in.; lobes 4 in., 3 lower each twice as broad as the shortly bifid upper. 
VaR. montana; leaves ovate softly hairy often furred beneath base frequently 
obtuse. J. scandens, Vahl Symb. ii. 7. J. dichotoma, Rotti. 4 Willd. in Nov. 
Act. Nat. Cur. iv. 221 (fide Nees), Dianthera paniculata, Lour. FI. Cochinch. i. 26. 
—Mts. of S, Deccan, alt. 3-6000 ft., frequent.— Perhaps the wild state, of which the 
narrow-leaved glabrate R, communis is the domesticated form. 
2. R. calcaratus, JVees in Wall. Pl. As. Rar. i. 109, and in DC. 
Prodr. xi, 444; leaves large elliptic or narrow-obovate acuminate at both 
ends glabrous, panicle terminal somewhat dense flowers very many. T. 
Anders. in Journ. Linn. Soc. ix.522. Justicia calcarata, Wall. Pl. As. Rar. 
ii. 9, t. 113, and Cat. 2426. 
Knasra Mrs.; Wallich, &c. CACHAR; Keenan. o . 
Branches stout. Leaves 10 by 4 in.; petiole 14 in. Panicle 6 by 4 in., nearly 
glabrous ; peduncle 1-2 in.; bracts jin. Calye j-à in. nearly glabrous; lobes 
Inear-lanceolate. Corolla as of R. communis, but larger ; tube 1} in.; lobes } in. ; 
Upper lip subentire, or lobes minute setaceous, twisted. Capsule not seen. 
XLI. DIANTHERA, Linn. 
Diffuse herbs or undershrubs. Leaves petioled, ovate or oblong, ed . 
lons or glabrate. Spikes or panicles terminal, axillary sometimes addo 3 
owers, or many of the lower, distant; bracts and bracteoles small. j jte 
8ub-5-partite ; segments narrow. Corolla small or middle-sized, low r 
Yellowish or rose-purple, 2-lipped; upper lip suberect emargı nate, lioa. 
pendent, 3-lobed. Stamens 2, glabrous or nearly so; anther-celis 2, ellips- 
