ACANTHACE2B. 457 



one placed obliquely above the other. — Justicia, Sw. — Leaves 5"-2£", corolla 12" -15'" long. 

 — Hab. Jamaica!, Macf,, Al., Wils., Pd., March, in moist woods, the glabrescent form on 

 calcareous rocks. 



14*. ERANTHEMUM, L. 



Calyx 5-fid, equal. Corolla salver-shaped : limb subequal. Fertile stamens 2, exserted : 

 anther-cells parallel, blunt at the base. Capsule of Dlanlhera. — Flowers spicate, 2-brac- 

 teolate. 



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

 ovate-oblong, pointed at both ends ; spikes imbricate ; bracts 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'", 

 corolla-tube 1" Ions.— Hab. Naturalized in S. Kitts 1, Trinidad!, Sieb. Tr. 230; [intro- 

 duced from the East Indies]. 



15. ANTH ACANTHUS, Ns. 



Character of THranthemum, but calyx 5-partite, ebracteolate, and corollarlimb 2-lipped, 

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

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

 bracteolate at the base ; corolla bvlobed almost to the middle ; capsule contracted into the 

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



30. A. spinosus, 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 : lobes oval ; capsule 

 pointed. — Jacq. Anter. Pict. t. 2. — Justicia, L. A. emarginatus, Ns. ex deter. — 4-5' high, 

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

 2"', corolla 6"'-8'", capsule 8'" long. — Hab. Bahamas!, Swains.; Antigua!, Nichols., on 

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



31. A. armatus, Ns. Branchlets puberulous, often unarmed above; spines slender, 

 spreading, exceeded by the cuueate-obloug or elliptical, retuse, ehartaceous leaves ; pedicels 

 filiform, solitary or fascicled, as long as the flower (or somewhat shorter) ; corolla red .- 

 tube 3-4 limes as long as the small calyx : lobts oblong ; capsule pointed. — Justicia, Sw.! ; 

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

 — 3'-12' high ; spines 4"'-6'", leaves 6"'-8'", rarely 1"-H", pedicels 8"'-5'", calyx 1'" long ; 

 corolla crimson or pale-purple, 6"'-8'", capsule 6"'-4'" long. — Hab. Jamaica !, Al., Wils., 

 March, Wullschl., in rocky mountains. 



32. A. jamaicensis, Gr. Branohlets puberulous ; spines setaceous, spreading, exceeded 

 by the ovate-deltoid or retuse-oval, mucronulate submembrauaceous leaves ; pedicels solitary, 

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

 capsule mucronulate-bluntish. — Justicia acicularis, Sw. — Diffuse, 1' high ; spikes 3'", leaves 

 10"'-5'", pedicels l'"-2'", calyx H'", corolla 5'", capsule 6'" loug.— Has. Jamaica!, Wils., 

 common on calcareous rocks of the southern districts. 



33. A. microphyllus, Ns. Branchlets rigid, hispidulous-pnbescent ; spines subuli- 

 fonn, 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 

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

 cioides, Ns. : the small-leaved form. A. cuneatus, Ns. I : a pubescent form, with longer 

 spines passing into the common one bv Eranthemum spinosvm, Berter. ! — 8'-12' histh, or 

 lower; leaves 5"'-li'", spines 4"'-li"', pedicels 2"'-ll'", calyx 1'", corolla 6'", capsule 

 6'"— 10'" long. — Hab. Jamaica), Macf, Berter., Wils,; Antigua 1, Wullschl.; [Haiti! to 

 French islands !, on arid hills], 



16. DICLIFTERA, Jus*. 



Calyx 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 valves.— Herbs (or shrubs) ; glomerules few{~\) -flowered, 



