SYNANTHERE.E. 363 



membranaceous, hastate- deltoid, shortly acuminate, toothed-repand or subentire, 3-nerved ; 

 heads in compound, slender spikes, subsessile : bractlet much exceeding the rudimentary pe- 

 dicel ; involucral scales oblong, blunt ; corolla-limb 5-fid ; acheuium scabrous-puberulous. — 

 Br. Jam. t. 34./. 3. — Eupatorium, L., Sw. — Leaves usually 3" diain. ; involucre 1 £"' long; 

 flowers white, odorous. — Hab. Jamaica !, A I., in mountain- woods ; [Cuba ! to Venezuela !]. 



54. M. Swartziana, Gr. Glabrous ; stem twining, cylindrical ; leaves rigid, shining 

 above, ovate, pointed (or roundish), quite entire, triplinerved near the rounded base with the 

 nerves prominent beneath ; heads in compound, slender racemes, distant : bractlet subulate- 

 linear, as long as or exceeded by the pedicel; involucral scales oblong, bluntish; corollas cla- 



vate : limb 5-toothed; achenium glabrous. — Eupatorium Houstonis, Sw. Obs. (non £.). 



M. Houstonis, "W., of Mexico, has membranaceous, 5-plinerved leaves. Leaves 14"-3" in- 

 volucre 1 J'" long; flowers white, inodorous. — Hab. Jamaica (Sw.), rare among shrubs- 

 [Cuba !]. 



55. M. scabra, DC. Scandcnt ; branches cylindrical, rusty-pubescent with rough, 

 flexuose down ; leaves shortly petioled, ovate or elliptical-oblong, bluntish, serrate or re- 

 pand-entire, quintuplinerved, scabrous above, rusty-pubescent chiefly on the nerves, and 

 densely glandular beneath ; heads in compound, slender racemes, distant : bractlet lanceo- 

 late, bluntish, as long as the pedicel ; involucral scales oblong-linear, striate, puberulous, 

 with a recurved point; corolla-limb 5-fid; achenium glabrous: pappus tawny. — M. Fockeaua' 

 Miq. ! — Leaves usually 3" long, variable, more or less rigid ; involucre 2'" long. — Hab! 

 Trinidad !, Cr., S. Anns ; [Guiana !]. 



** Meads in short, corymbose racemes. 



56. M. oralis, Gr. (n. sp). Stem twining: branches cylindrical, glandular-puberulous 

 above, glabrate below ; leaves leathery, shortly petioled, oval, shortly pointleted-bluntish, 

 quite entire, triplinerved near the base, with the nerves prominent beneath, glabrous, glan- 

 dular beneath ; heads shortly racemulose, in trichotomous corymbs: bractlet subulate-linear, 

 as long as the pedicel ; involucral scales spathulate-lanceolate, rounded at the top, glabrous ; 

 corolla-limb 5-fid ; achenium glabrous.— Leaves 2"-l£" long, 1£"-1" broad : petiole 4"'-3'" 

 long ; corymbs 2" diam. ; special racemes peduncled, 8-3-headed : pedicels 1' long, as long 

 as the involucre ; pappus straw-coloured. — Hab. Dominica !, Imr., in the Conliabon mouu- 

 tain. 



*** Heads terminal on the corymb-branches. 



f Heads glomerate-sessile or subsessile : the central ebracteolate. 



57. M. Imrayana, Gr. (n. sp.). Glabrous; stem twining, striate-subangular ; leaves 

 elliptical-oblong or oval-roundish, usually pointleted with a bluntish point, long-petioled, 

 repand-entire, quintuplinerved, the uppermost ovate-lanceolate; heads glomerate-sessile, 

 5-3-nate : glomerules as long as their rusty -pubescent, ternate pedicels : peduncles in deltoid 

 racemes : bractlet lanceolate, nearly as long as, or half as long as the involucre ; involucral 

 scales oblong-linear, blunt, glabrescent, ciliate at the subincurved top ; corolla-limb 5-fid, 

 shorter than the tube; achenium glabrous. — Leaves variable, chartaceous or rigid, cuneate 

 or rounded at the base, 3" long, superior much narrower : petiole usually 1" long ; racemes 

 2" diam. ; involucre H"' long ; pappus straw-coloured. — Hab. Dominica!, Imr. 



58. M. trinitaria, DC. (sec. Schultz Bip. in PI. Kegel!). Stem twining, striate-sub- 

 angular glabrescent ; leaves ovate or ovate-lanceolate, acuminate, entire, uninerved, arch- 

 veined glabrous above, pubescent beneath ; heads glomerate-sessile or subsessile, 3 (-5)- 

 nate • peduncles puberulous : glomerules in corymbs : bractlet ovate or lanceolate, much 

 shorter than or i as long as the involucre ; involucral scales oblong, blunt or bluntish, 

 rigid striate pubescent ■ corolla-tube as long as the involucre, much longer than the 5-fid 

 limb'; achenium slightly puberulous.-M. volubilis, PappCub '..'-Lea«J 3"-4'^ petioles 

 6'", involucre Z'"-4" i long; pappus pale-rusty.— Hab. Trinidad (Sub.); [Cuba! ; Guiana!]. 



59 M latifolia Sm Glabrous; stem twining, striate-cylindrical or snbangular 

 above- leaves ovate, shortly pointleted, subentire, quintuplinerved, glandular beneath; heads 

 ternately sessile: peduncles puberulous : glomerules i n corymbs ,: bractlet lanceolate, ^ as 

 long as the involute; involucral scales oblong bluntish, ng.d, striate, puberulous; coro la- 

 \u a i k ra „= i™„ as the tube ! lobes ob ong-lanceolate ; achenium slightly glandular. 

 -£?^1&-^wU 3"-H" broad: petiole 12<"-6'", involucre 3- long; 



4- B 



