ACANTHACEJ!. 457 



one placed obliquely ahov^ the other. — Justicia, Sw. — Leaves 5"-2^", oorolla 1Z"'-15"' long. 

 — Hab. Jamaica I, Mac/., Al,, Wits,, Pd., March, in moist woods, the glabrescent form on 

 calcareous ropks, 



14*. ERANTHEMUiM, L. 



Calyx 5.fid, equal, Corolla salver-shaped : limb subequal. Fertile stamens 3, exserted ; 

 anther-cells parallel, blunt at the base. Capsule of Dianthera, — llowers spicate, %-brac- 

 teolate. 



29*. E. nervosum, R, Br. Shrubby, glabrescent ; branches 4-gonal ; leaves ovate or 

 Qvate-oblong, pointed at both ends ; spikes imbricate ; brads large, ovate-cuspidate, reti- 

 culated-veiny, at length scarious between the network ; corolla blue ; tube narrowly cylin- 

 drical, longer than the bracts and the obovate lobes, — Justicia, V. — Spikes 2"-4", bracts 8'", 

 corolia.tube 1" lona:.— Hab. Naturalized in S. KittsI, Trinidad!, Sieb, Tr, 830; [intro- 

 duced from the Eiist Indies], 



15. ANTHACANTHUS, Ns, 



Character of JUranihemnm, but calyx 5>partite, ebraoteolate, and oorolla.limb S-lipped, 

 the upper lobes being less expanded.- — Shrubs ; spines axillary, (rarely wanting,) sometimes 

 growing out into spinescent branchlets ; pedicels axillary or lateral, solitary or fascicled, 

 bracieolate at the base i corolla 'idobed almost to the middle; capsule contracted into the 

 solid claw at the middle, (except in, a new Cuba species). 



30. A. spinosup, Ns. Glabrescent ; spines stout, nearly horizontal or slightly recurved, 

 often exceeding the minute, spathulate or elliptical, leathery leaves ; pedicels fascicled, as 

 long as the calyx ; corolla blue : tube twice as long as the calyx i lobes oval ; capsule 

 pointed^ — Jacq. 4.mer. Figl, t, g. — Justicia, L. A. emarg-inatus, Ns. ex descr. — 4'-5'high, 

 virgate, very spiny, variable in the leaves and in the size of the spines ; leaves 2"'-6"', calyx 

 2'", corolla &"-8!", capsule H'" long. — Hab. Bahamas !, Swains. ; Antigua !, Nichols,, on 

 maritime, calcareous rocks ; [Cuba! to Martinique]. 



31. A. armatus, iV^, Branchlets pubenilous, often unaj-med above; spines slender, 

 spreading, exceeded by the cnneate-oblong or elliptical, retuse, chartaceous leaves ; pedicels 

 filiform, solitaiy or fascicled, (M long as the flower (or somewhat shorter) ; corolla red i 

 tube 3-4 times' as long as the small calyx ; lobes oblong ; capsule pointed. — Justicia, Sw.h, 

 a large-leaved form. A. acicularis, Ns. I {exclus. syn. Sw.): the common, smalUleaved form. 

 — 3'-12' high ; spines 4"'-6"', leaves 6"'-8"', rarely l"-li", pedicels 8"'-5"', calyx l"']ong; 

 corolla crimson or pale-purple, 6"'-8"', capsule 6"'-4"' long.— Hab, Jamaica!, Jl„ fnis,, 

 March, Wullsohl,, in rocky mountains. 



33. A. jamaicensis, Gr. Branchlets puberulous ; spines setaceous, spreading, exceeded 

 by the ovate^deltoid or retuse-oval, mucronvdate submembranaceons leaves ; pedicels solitary, 

 as long as the calyx ; corolla white : tube scarcely twice as long as the calyx : lobes oval ; 

 capsnle mucronulate-bl-untish. — Justicia acicularis, <Sw.— Diffuse, 1' high ; spikes 3'", leaves 

 10"'-5"', pedicels l"'-2"', calyx li"', corolla 5'", capsule 6"' long.— Hab. Jamaica!, Wits., 

 common on calcareous rocks of the southern districts. 



33. A. microphyllus, Ns. Branchlets rigid, hispidulous,pubeseent ; spines snbuli- 

 form, spreading, exceeded by or exceeding the minute, spathulate, chartaceous leaves; 

 pedicels solitary (or fascicled), twice as long as the calyx (or shorter) ; corolla white : tube- 

 i times as long as the small calyx ! lobes oval; capsule pointed,— Justicia, Lam. A. ly- 

 cioides, Ns. ; the small-leaved form, A. cuoeatus, Ns. I : » pubescent form, with longer 

 spines passing into the uommon one by Branthemum. spinosum, Berter. 1 — 8'-12' high, or 

 lower! leaves 5"'-H"', spines 4"'--14"', pedicels 2'"-^'", calyx 1'", coroUa 6'", capsule. 

 6."'-10"' long.— Hab. Jamaica !, Mapf, Barter., mis, ; Antigua !, WullscM. s [Haiti ! to 

 Irench i.slands !, on arid hiUs]. 



16, DICLIPTERA, Juss, 



Calvx 5,partite, equal. Corolla 2-lipped. Fertile stamens 2 : anther-cells blunt at the 

 base, one placed higher up than the other. Capsule 4-seeded : segments of the dissepiment 

 elastically separating from the wives. -Herbs (or 3hrubs) ; glomerules fm{-X)-flowered, 



