453 ACANTHACE^. 



paniculate, umiellate, or axillary : flowers braeleolafe, apparently inverted with respect to 

 the primary axis. 



34. D. martinicensis, Juss. Glabrescent; leaves ovate or ovate-oblong, pointed; 

 peduncles 3-5-nate, axillary or in interrupted racemes ; glomerules supported by 3 large, 

 ovate, cuspidate brads : one bract somewhat larger than the other ; corolla rosy : tube 

 narrowly cylindrical, lips oblong-linear, subeutire, one straight, the other revolute ; capsule 

 shortly clawed.. — Jacg. Amer. Pict. t. 6. — Jnsticia, Jacq. — 2' high ; leaves 2"-4", larger 

 bracts 8"'-10"', corolla 1^", capsule 4'" long.— Hab. Trinidad !, Sieb. Tr. 173 ; [Marti- 

 nique I, in shady places]. 



35. D. assurgens, /«;.;. Leaves ovate or ovate-oblong, pointed ; ^/om«r»/£j distant 

 in compBund spilces, supported by 2 lanceolate-linear or spathulate-linear bracts, superior 

 solitary, inferior ternate; corolla scarlet, much longer than the bracts; tube incurved, 

 clavate, lips bluntly lanceolate, subentire, one spreading ; capsule shortly clawed. — Br. Jam. 

 t. 3. /. 1. — Justicia, L. D. Vahliana, Ns. I (J. sexangularis, L. sec. Sw.) : the form with- 

 most bracts spathulate. D. portoricensis -and'moWis, Ns. ; pubescent forms.- — 3'-4' high, 

 6-angular above, with spreading branches ; leaves 4"-2", bracts 4"'-2"', corolla l"-li", 

 capsule 3'" long, — Hab. Bahamas I, Swains, j Jamaica 1, all coll., along the coast : Trini- 

 dad !, Seh, ! [Cuba I and Mexico ! to Venezuela], 



17*. ANDROGEAPHIS, Wall. 



Calyx 5-pirtite. Corolla 2-lipped. Stamens 2 : anther-cells parallel, unequal, bearded 

 at the base. Capsule sessile, 16-4-seeded : segments of the dissepiment adnate to the 

 valves ; seeds subglobose ; retinacula deciduous. — Herbs ; flowers purple, ia axillary or 

 compound racemes, 



36*. A. paniculata, i^. Annual, glabrous, glandular at the summit ; stem 4-gona1, 

 trichotomous ; leaves lanceolate or oblongTlanceolatC ; racemes in a spreading panicle ; co- 

 rolla-tube clavate; capsule oblong-linear, 12-16-seeded. — Wight, Jc. 2. t. 518. — 1'-2' 

 high ; corolla 6'", capsule 8'" long. — Hab. Naturalized in Jamaica !, Al., Pd., March, in 

 shady places, S. Vincent !, Guild.; [East Indies I]. 



Tribe II, TEfJNBERGIE^, — Placenta cohering in the axis i retinacula none. 

 18*. THUNBE^GIA, L.fil. 



V- 



Calyx cyathlform, 5-many-lobed or truncate, enclosed by 2 large bractlets. Corolla 

 salver-shaped ; limb 5-partite, subequal, imbricative. Stamens didynamous, included : 

 apther-cells pai-allel, ciliate. Capsule 4-?-aeeded, coptracted into a large beak : dissepi- 

 ment separating from the introflexed valves : seeds subglobose, perforatefl at the base. — 

 Pubescent climbers ; flowers axillary, peduncled or racemose. 



37*. T. fragrans, Boxb. Leaves ovate or ovate-lanceolate, pointed, subcordate or 

 hastate at the base ; calyx 5-fid ; corolla pale-yellow, purple at the throat : lobes obversdy 

 deltoid, 3-crenate at the top, nearly as long as the tube ; capsule globose, one-half to one- 

 third as long as the stout, subuliform beak, — CoroUa^tube 1", capsule (the beak included) 

 about 1" long. — Hab. Naturalized in Jamaica I, Al., Antigua ' Wullschl,, Trinidad I, Sieb. 

 7>-. 221; [East Indies I]. 



' 19*, SESAMUM, L. 



Calyx B-partite : upper segment smaller. Corolla B-lipped. Stamens didynamous, in- 

 cluded : anther-cells parallel. Capsule many-seeded, beaked : cells neai-ly 2-locellate by 

 incomplete, spurious dissepiments, proceeding from the middle of the valves : central pla- 

 centa separating from the introflexed valves ; seeds angular (or compressed).— Annual herbs ; 

 leaves bearing minute points beneath, superior often alternate ; flowers axillary, shortly 



38*. S. orientale, L. Erect, pubescent ; leaves ovate-lanceolate, acuminate, entire or 

 inferior coarsely toothed below ; capsule ovoid-oblong, 4-furrowed, shortly beaked. — Besc. 

 PL 4. t. 268.— S. indicum, £,— Corolla rosy-white, i"-lj" long,— Hab. Naturalized and 

 Bultivated in Jamaica, and Caribbean Islands, [introduced from the East Indies]. 



