ACANTHACE^. 455 



— GrapiophyUum hortense, Ns., {Jmiioia picta, L.), resembling Thyrsacanthus, but having 

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



11, DIANTHERA, Oronov., As. Or. {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(-3)-seeded ; segments of the 

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

 in spikes, panicles, or axillary, ' 



^ct. 1. CHiLOGtossA, Oersi. — Corolla-tube elongated: Ups approximate, upper lip sub- 

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

 stricted connective. — Erect herbs ; raceme tei*minal, compound, with racemiform or con- 

 tracted branches : bracts small ; corolla crimson. 



19. S. secunda, 6r. 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. 2060. — jnsticia, V. Rhytiglossa, Ns. ! 



a. Panicle spreading, usually one-sided ; corolla H"-l" long. 



j8. geniculata. Panicle short, somewhat contracted ; corolla 1" long. — Bot. Mag, t. 2487. 

 -^Juslicia, Sims. Rhytiglossa, Ns. 



y. lucida. " Panicle spicil'orm-contracted ; corolla 2" long." — Bot. Mag. t. 1014. — 

 Jnsticia, V. Rljytiglossa, Ns. 



Hab. Jamaica!, WullscU. (;3) ; Antigua!, Wullschl. (o), S.Vincent!, Guild.; Trini- 

 dad I, Sieb. Tr. 139, Sch., Lockh. ; [French islands !, Sieb. Mart. 382 ; Panama 1 to Peru I 

 and Guiana!]. 



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

 Flowers spicate or axillary : bracts small. 



20. D. androssemifolia, Gr. Stem slender, herbaceous or suffiratescent, glabrous 

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

 terminal and axillary sp,kes i calyx-segments 4, linear-acuminate, one-third as long as the 

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

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

 up.— Justicia, Sieb. Mart. 380 I Rhytiglossa, Ns. .'—Leaves 2"-li", corolla 1" long,— 

 Hab. Do;ninica I, 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. .'— 1'-3' high; leaves 4"-l", corolla 4"'-5"' long, 

 the latter rosy with a variegated throat, or pale-blue.— Hab. Jamaica 1, March ; Antigua !; 

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

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



22. O. reptaus, Gr. Glabresceut ; stem creeping, delicate ; leaves delloid-ovate, 

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

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

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

 Justicia, S«;./ Rhytiglossa. iVi.-2"-6" long; leaves 6"'-3"', corolla 3"'-4"' long, the 

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



23 D. sessilis, Gr. Suflruticose ; stem erect, glabrescent with lines of hairs ; leaves 

 ovate! pointed, shortly petioled ; flowers single in ike axils, sessile j calyx,segmeflts 4, 

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



