*y 



452 ACANTHACE^E. 



Sect. 3. CryphTacanthi:s, Ns. — Calyx 5-partile. Capsule sub terete, 6-24-seeded from 

 near the base t retinacula biuntish at the summit. — Cymes terminal ami axillary : 2 

 bracts below the lateral flowers. 



4. R. tuberosa, L. Herbaceous, glabresceut, glandular above ; leaves elliptical, 

 biuntish, cuneate at the petioled base ; cymes dichotomous, often in a spreading panicle ; 

 calyx-segments linear-filiform, much longer than the linear bracts ; corolla-tube enlarged 

 below the middle: narrow part exceeded by the calyx ; capsule lanceolate- oblong, 10-12- 

 seeded, pubescent. — SI. I. 95./. 1 • the fruit and a leaf. Desc. Fl. 2. f. 113. — R. clandes- 

 tina, i. Cry phi a can thus barbadensis, Ns. ! — 1'-2' high ; calyx 5"'-8'", blue corolla li"- 

 2", capsule 6"'-l 2'" long. — Hab. Jamaica!, all coll., along road-sides; Antigua!, Wullschl.,- 

 Dominiial, Imr., Barbadoes ; Trinidad!, Sieb. Tr. 91 ; [Texas!, California!; Cuba! and 

 Mexico ! to Guiana ! and Peru] ; 



5. R. acuminata, Gr. (n. sp.). Herbaceous, glabrescent ; leaves oblong-lanceolate, 

 acuminate, tapering into the petiole, subentire; cymes few-Jiowered : flowers shortly pedi- 

 cellate, several often one-sided ; calyx pilose : segments linear-acuminate^ much longer than 

 the lanceolate bracts ; corolla-tube enlarged much above the middle : cylindrical part twice 

 to thrice as long as the calyx ; capsule spathulate-lanceolate, pointed, 8-6-seeded, pulieru- 

 lous, included in the calyx. — Allied to Cryph. macrosiphon, Ns. Stem 1' high, ascending, 

 leafy; leaves 3"-4" long, about 1" broad, lineolate, glabrous, veiny, nearly as long as the 

 axillary cymes; bracts 2"', calyx 6"'-8"', narrow part of the corolla H", campanulate part 

 6"'-S"', roundish lobes 8'", capsule 6'" long ; seeds smooth, flat-compressed, round, puberu- 

 lous : margin thickened. — Hab. Jamaica !, March, in the mountains* 



3. STEMONACANTHUS, Ns. 

 (Avrhostoxylum, Mart.) 



Calyx 5-fid or 5 -partite, equal. Corolla-tube slightly cui^ved, clavate : lobes spreading, 

 subequal. Stamens didynamous, exserted : anther-cells parallel, often produced beyond the 

 connective. Capsule of Ruelha. — Shrubs or herbs ; cymes paniculate or contracted. 



8. S. macrophyllus, Ns. ! Shrubby ; leaves ovate, pointleted, contracted into the 

 long petiole, glabrescent , cymes loose, long-peduueled : pedicels 2-braeteolate near the 

 summit ; calyx h-fid to the middle : lobes lanceolate, acuminate ; corolla crimson ; anthers 

 sagittate-incumbent ; capsule 12-20-seeded above the middle, spathulate, contracted into the 

 solid Claw below the seeds : retinacula subulate. — Vahl, Symb. 2. t. 39. Bot. Reg. 1846, t. 7. 

 Sot. Mag. t. 4448.— Ruellia, V. S. Humboldtianus, iV*.— Leaves 6"-4", calyx 4"'-5"', 

 corolla 14"— 2", capsule 8'" long. — Hab. Jamaica!, Waters, March; [Cuba and Mexico to 

 Venezuela ! and Guiana]. 



7. S. fulgidus, Gr. Shrubby ; leaves ovate, pointed or shortly acuminate, contracted 

 into the long petiole, glabrous; cymes contracted, 5-flowered, long-ped uncled: flowers 

 sessile, supported by bracts ; calyx b-fid beyond the middle : lobes lanceolate-acuminate ; 

 corolla crimson ; anther-cells produced beyond the connective, biuntish at the base ; cap- 

 sule 12-lG-seeded, spathulate : solid claw half as long as the cells: retiuacula 2-3-denticu- 

 late at the summit. — Arrhostoxylum, Mart., Ns. ! — Proportions of the preceding ; flowcr- 

 heads supported by a pair ot leaves.— Hab. S. Vincent 1, Guild, ; [Venezuela !, New 

 Granada] . 



8. S. coccineus, Gr. Shrubby ; leaves ovate-lanceolate, biuntish, petioled ; cymes 

 contracted, 3-ttowered : peduncle exceeded by the leaf: flowers' sessile, supported by bracts ; 



^ f calyx deeply 5-fid : lobes lanceolate-linear ; corolla crimson ; anther-cells produced beyond 

 the connective, pointed at the base ; capsule 8-seeded above the middle, spathulate, con- 

 tracted into the solid base below the seeds. — Plum. Ed. Burm. t. 43./. 1. Desc Fl. 7. 

 t. 476.— Leaves 2"-l", calyx 3'", corolla l"-l£", capside 6'" long.— Hab. Dominica !, Imr. ; 

 [Haiti to S. Croix]. 



4. BLECHtFM, P, Br. 



Calyx 5-partite, equal, 2-bracteolate. Corolla infundibular, slightly curved, nearly regu- 

 lar. Stamens didynamous, included : anther-cells parallel. Capsule ovoid, 8-seeded from 



