ACANTHACE^. 453 



near the base : segments of the dissepiment seceding from the valves. — Herbs ; leaves lineo- 

 late, petioled; flower-fascicles spicate, supported i;/ large, foliaceous, decussate bracts. 



9. B. BroTirnei, Juss. Annual; leaves ovate, pointed; spikes tetrastichous-oblong : 

 bracts 3— 2-flowered, roaudish-ovatCj ciliatCj scabrous, including or shortly exceeded by the 



' whitish-blue flowers. — 5/. t. 109.y. 1. — Ruellia Blechum, L. Justicia martinicensis, Sieb. 

 ' Mart. 253 ! B. trinitense, Ns, ! : the form with exscrted flowers. — Variable in the strigose 



down, the size of the leaves and of the corolla. Bracts 8"'^5"', corolla 6"'-8"' long. — Hae. 



Z!istmwa,\, Macf., Al., March, in dry soil; Antigua!, WuUsohl.; 'irav\&sA\, Lockh., Sch. ; 



[Cuba I and Mexico to Ecuador; Philippine Islands I]. 



10. B. laxiflornm, Juss. Suffrutescent, glabrescent : leaves ovate--lanCeolate or ob- 

 long-lanceolate, a(!«)M!»«<i? ; spikes short: bracts 3-1 -flowered, roundish-ovate, naked or 

 ciliate at the margin, ha/fas long as the blue flowers. — Ruellia blechioides, Sw. Diptera- 

 canthus jamaicensis, tls. I — 1'-2' high ; leaves 5"-2", bracts 8"'-o"', corolla 1" long.- — Had. 

 Jamaica!, all coll., in moist woods, S. Anns, Manchester, Hanover. 



11. B. angustifolium, R. Br. Suffrutescent, glabrous ; leaves lanteolate-linear, 

 acuminate I spikes short : irafifa 2-1 -flowered, ovate, lorig-ciliate and with scattered hairs 

 beneath, half as long as the blue flowers. — Ilnellia, Sw. ! .* his specimen is in fruit. — Leaves 

 3"-14". IJi'acts 4'" long, corolla 8".'-10"'long.— Hab. Caribbean Islands!, Sw.; [Panama IJ. 



5, BRAVAISIA, DC. j 



(Onychacanthus, iVi.) ' •, 



Calyx 5-partite, e^ual, 2-bracteolate : segments broadly rounded, foliaCeouSi Corolla 

 campanulate, 5-fid ; limb subequal. Stamens didynamoUs, hairy, included : auther-cells 

 parallel, muoronate at the base. Capsule spathulate-obloug, sulisessile, 4-8-see.ded : seg- 

 ments of the dissepiment adnate to the valves. — Trees; leaves large, lineolate above, 

 petioled; racemitorm or "spiciform" cymes axillary or in a terminal, trichotomous 

 panicle. 



12. B. floribunda, DC. Brancltes pubescent above ; leaves elliptical, Cuneate at the 

 base, glabrescent ; cymes raCemiformt paniculate ; bracteoles small, ovate-roundish ; calyx- 

 segments oval, .ciliate, one-fourth as long as the white corolla-. — Onychacanthus Cuiniugii, 

 jVs. — Leaves 4"-6", corolla 10"', capsule 6* long ; retinacula subulate-linear, truncate: 

 seeds smooth. — Hab. Trinidad!, Cr. ; [Mexico and Venezuela ! to Peru]. 



Series 2. Acanthideee, T. Anders. MS. — CoroUaUobes imbricative. filaments 



6. LEPIDAGATHIS, W. 



(Teliostachya, Ns.) 



Calyx 5(-4)-partitfe, unequal. Corolla small, 2-lipped, Stamens didynamotts, included: 

 anthers 2-celled. Capsule membranaceous, 4-seeded, sessile : segments of the dissepiment 

 adnate to the valves. — Herbs ; flowers or glomerules spicate : bracts and calyx scarious, 

 reticulated-veiny-. 



13. Ii. alopecuroidfea, 7J. Br. Ascending from a creeping rhizome ; leaves elliptical, 

 cuneate at the petioled base ; glomerules whorlcd, in terminal, dense-, cylindrical spikes, or 

 distant at its base; bracts 2-3-flowered; upper calyx-segment larger, elliptical, awned, 

 ciliate, the other lanceolate ; corolla pale-blue, nearly included ; one anther-cell placed 

 higher up than the other ; capsule lanceolate.^-Ruellia, V. Teliostachya, Ns. Adeiiosma 

 chenopodlfolia Spreng. — HaB. Antigua!; W'ullsChl., Montserrat, "Dominica I, Imr., S. Vin- 

 cent!, Guild.'; Trinidad!. Sieb. Tr. 137, Cr.; [PortoricOi Freneh islands!; Panama! to 

 Guiana! and Brazil]; 



7, GEISSOMBRIA; Lindl, 



(Salpinxanthus, Hook.) 



Calyx 5-fid or 5-partite, slightly unequal. Cora«« tubular : limb short, subequal, ex- 

 panded. Stamens didynamous, suhincluded : anthers 1-ceIled, hairy. Capsule " 4-seeded, 

 sessile." Shrubs ; flowers spicate ; bracts and bracteoles shorter than the calyx. 



