ACANTHACEjE. 453 



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

 late, petioled ; flower-fascicles spicate, supported b>j large, foliaceous, decussate bracts. 



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

 bracts $-2-tlowered, roundish-ovate, ciliate, scabrous, including or shortly exceeded by the 

 whitish-blue flowers. — SI. t. 10'J.y. 1. — Uuellia Blechum, L. Justieia martinieeusis, Sieb. 

 Mart. 253! B. triuitense, Ns.!: the form with exserted flowers. — Variable in the strigose 

 down, the size of the leaves and of the corolla. Bracts 8"'-5'", corolla (i'"-8'" long. — Hab. 

 Jamaica!, Macf., AL, March, in dry soil; Antigua!, Wullschl.; Trinidad!, Lockh., ISch. ; 

 [Cuba ! and Mexico to Ecuador ; Philippine Islands !]* 



10. B. laxiflorum, Juss. Suffrutescent, glabresceut : leaves ovate-lanceolate or ob- 

 long-lanceolate, acuminate; spikes short: bracts 2-i-flowered, roundish-ovate, naked or 

 ciliate at the margin, half as long as the blue flowers. — Uuellia blechioides, Svj. Diptera- 

 canthus jamaicensis, Ns.! — 1'-2' high; leaves 5 "-2", bracts 8"'-5"', corolla 1" long. — Hab. 

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



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

 acuminate; spikes short : bracts 2-1-flowered, ovate, loug-ciliate and with scattered hairs 

 beneath, half as long as the blue flowers. — Uuellia, Sw.l : his specimen is in fruit. — Leaves 

 3''-l£", bracts 4'" long, corolla 8"'-10"' long.— Hab. Caribbean Islands!, Sw.; [Panama I J. 



5. BUAVAISIA, DC. 



(Ouychacanthus, Ns.) 



Calyx 5-partite, equal, 2-bracteolate : segments broadly rounded, foliaceous. Corolla 

 campauulate, 5-fid: limb subequal. Stamens didynamous, hairy, included : anther-cells 

 parallel, mucronate at the base. Capsule spathulate-oblong, subsessile, 4-8-scedcd : seg- 

 ments of the dissepiment adnate to the valves. — Trees ; lea\ cs large, lineolate above, 

 petioled; raccmiform or "spieiform" cymes axillary or in a terminal, trichotomous 

 panicle. 



12. B. floribunda, DC. Branches pubescent above; leaves elliptical, cuneate at the 

 base, glabresceut ; cymes racemiform, paniculate ; bracteoies small, ovate-roundish ; calyx- 

 segments oval, ciliate, one-fourth as long as the white corolla. — Ouychacanthus Cutningii, 

 Ns. — Leaves 4"-6", corolla 10'", capsule 6'" long; retinacula subulate-liucar, truncate: 

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



Series 2. Acantbidese, T. Anders. MS. — Corolla-lubes imbricative. Filaments 

 usually distinct. 



6. LEPIDAGATHIS, W. 



(Teliostachya, Ns.) 



Calyx 5 (-4) -partite, unequal. Corolla small, 2-lipped, Stamens didynamous, 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. L. alopecuroidea, R. Br. Ascending from a creeping rhizome ; leaves elliptical, 

 enneate at the petioled base; glomerules whorled, in terminal, dense, cylindrical spikes, or 

 distant at its base ; bracts 2-3-flowercd ; 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. — Uuellia, V. Teliostachya, Ns. Adenosma 

 chenopodifolia, Spreng. — Hab. Antigua!, Wullschl., Montserrat, Dominica!, Imr., S. Vin- 

 cent !, Guild. ; Trinidad !. Sieb. Tr. 137, Or. ; [Portorico, French islands ! ; Panama 1 to 

 Guiana ! and Brazil]. 



7. GEISSOMERIA, Lindl. 

 (Salpinxanthus, Hook.) 



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

 panded. Stamens didynamous, subincluded : anthers 1 -eel led, hairy. Capsule " 4-seedcd, 

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



