ACANTHACE.X. 455 



— Graptophyllum hortense, Ns., (Justicia picta, L.), resembling Thyrsacanthus, but having 

 recurved anthers, occurs likewise in our collections, but as a cultivated plant. 



11. DIANTHERA, Gronov., As. Gr. (non Sol.). 



(Rhytiglossa, Ns.) 



Calyx 5-4-partite : segments equal, or the superior smaller. Corolla 2-lipped. Stamens 

 2 : anther-cells unequal, blunt at the base. Capsule clawed, 4(-2)-seeded : segments of the 

 dissepiment adnate to the valves. — Herbs or shrubs ; flowers sessile or shortly pedicellate, 

 in spites, panicles, or axillary. 



Sect. 1. Chiloglossa, Oerst. — Corolla-tube elongated: lips approximate, upper lip sub- 

 entire or emarginate, the inferior Z-crenate. Anther-cells separated by the broad, con- 

 stricted connective. — Erect herbs ; raceme terminal, compound, with raceiniform or con- 

 tracted branches : bracts small ; corolla crimsou. 



19. D. secunda, Gr. Stem nearly glabrous, constricted at the nodes ; leaves ovate or 

 ovate-lanceolate, acuminate; flowers shortly pedicellate; calyx-segments 5, lanceolate, 

 pointed, one-sixth as long as the corolla ; stamens equalling the corolla ; distant anther-cells 

 nearly parallel, one smaller. — Bot. Mag. t. 20(50. — Justicia, V. Rhytiglossa, Ns. ! 



a. Panicle spreading, usually one-sided; corolla la"— 1" long. 



0. geniculata. Panicle short, somewhat contracted ; corolla l"long. — Bot, Mag. t. 2487. 

 — Justicia, Sims. Rhytiglossa, Ns. 



y. lucida. " Panicle spicifonn-contracted ; corolla 2" long." — Bot. Mag. t. 1014. — 

 Justicia, V. Rhytiglossa, Ns. 



Hab. Jamaica |, WulUehl. '(&) ; Antigua!, Wullschl. (a), S.Vincent!, Guild.; Trini- 

 dad !, Sieb. Tr. 13'.), Sek, Lockh. ; [French islands !, Sieb. Mart. 382 ; Panama !.to Peru 1 

 and Guiana !]. 



Sect. 2. Rhytiglossa, Ns. emend. — Inferior corolla-lip spreading, broadly 3-lobed. — 

 Flowers spicate or axillary : bracts small. 



20. I>. androssemifolia, Gr. Stem slender, herbaceous or suffrutescent, glabrous 

 with puberulous lines; leaves ovate or ovate-lanceolate, bluntish; flowers distant in simple, 

 terminal and axillary spikes; calyx-segments 4, linear-acuminate, one-third as long as the 

 corolla ; corolla 2-lipped almost to the middle : tube narrow i upper lip oblong-linear, entire, 

 a little exceeding the stamens ; anther-cells ovoid, obliquely diverging, one placed higher 

 up.— Justicia, Sieb. Mart. 380 ! Rhytiglossa, Ns.!— Leaves 2"-U", corolla 1" long. — 

 Hab. Dominica !, Imr. ; [Martinique!]. 



21. D. pectoralis, Murr. Stem slender, herbaceous or suffrutescent, glabrous, often 

 with a line of hairs, puberulous at the summit ; leaves lanceolate-acuminate or oblong-lanceo- 

 late ; flowers distant, in branched, elongated spikes, most one-sided ; calyx-segments 5, 

 small, linear-acuminate, one-fourth to one-sixth as long as the corolla ; corolla 2-lipped to 

 one-fourth : upper lip ovate, entire, exceeding the stamens : anther-cells ovoid, oblique, 

 separated by the constricted connective, one smaller. — Jacq. Amer. Pict. t. 4. Tuss. Ft. 3. 

 t. 2.— Justicia, Jacq. Rhytiglossa, Ns. /— -l'-3' high; leaves 4"-l", corolla 4"'-5'" long, 

 the latter rosy with a variegated throat, or pale-blue. — Hab. Jamaica !, March ; Antigua!; 

 Wullschl., S. Lucia, S. Vincent!, Guild.; Trinidad!, Sieb. Tr. 136, Sch., Lockh., in dry 

 pastures ; [Haiti to French islands ! ; Mexico ! to Brazil !] . 



22. D. reptana, Gr. Glabreseent ; stem creeping, delicate ; leaves deltoid-ovate, 

 pointed or bluntish ; flowers few, distant in a simple, filiform spike, one-sided ; calyx- 

 segments 5, linear-acuminate, half as long as the corolla; corolla 2-lipped to one-fourth : 

 upper lip " emarginate ;" anther-cells ovoid, obliquely diverging, one placed higher up. — 

 Justicia, Sw. / Rhytiglossa, Ns.— 2"-6" long; leaves 6"'-3'", corolla 3"'-4'" long, the 

 latter white, red-streaked at the throat. — Hab. Jamaica (Ns.) ; [Haiti !, on moist rocks]. 



23. D. sessilia, Gr. Suffruticose ; stem erect, glabreseent with lines of hairs ; leaves 

 ovate, pointed, shortly petioled ; flowers single in the axils, sessile ; calyx-segments 4, 

 linear -acuminate, one-third as long as the corolla ; corolla 2-lipped to one-third ; " anther' 



