SYNANTHERE^. 363 



membi^auaceous, hastate-deltoid, shortly acuminate, toothed-repand or subentire, S-nerved ; 

 heads in compound, slender spikes, subsessile: bractlet mnch exceeding the rudimentary pe^ 

 dicel; involucral scales oblong, blunt ; coroUa-limb 5-fid; acheniura scabrous-puberulous. — 

 Br. Jam. t. 34./. 3.— Eupatorium, L., 5ki.— Leaves usually 3" diam. ; involucre ]i"' long; 

 flowers white, odorous. — Hab. Jamaica !, AL, in mountain-woods ; [Cuba I 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- 

 lineai', as long as or exceeded by the pedicel; involucral scales oblong, bluntish; corollse cla- 

 vate : limb 5-toothed ; achenium glabrous. — Eupatorium Houstouis, Sw. Ohs. {rum L.). — 

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

 volucre li'" long; flowers white, inodorous. — Has. Jamaica (■SW.), rare among shrubs; 

 [Cuba !]. 



55. M. scabra, DC. Scandent ; branches cylindrical, msty-pubesoent with rough, 

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

 paud-entire, quintujilinerved, scabrous above, rusty-pubeseent 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, pubemlous, 

 with a recurved point; coroUa-limb 5-fid; achenium glabrous: pappus tawuy. — M. Fockeana, 

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

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



** Beads in short, corymbose racemes. 



56. M. ovalis, Gr. (n. sp.). Stem twining ; branches cylindrical, glandular-pnbernlons 

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

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

 dular beneath ; heads shortly racemulose, in trichotomous coryinbs : 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"-li" long, 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 moun- 

 tain. 



*** Beads terminal on the corymb-branches. 



t Beads glomerate-sessile or subsessile : the central ebracteolate, 



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

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

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

 5-3-nate : glomerules as long as their rusty-pubescent, teruate 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, cuueate 

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

 2" diam. ; involucre IV" long ; pappus straw-coloured. — Hab. Dominica 1, Imr. 



58. IW. trinitaria, DO. {sec. Schultn Bip. in PI. Kegel!)'. Stem twining, striate-sub- 

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

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

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

 shorter than or -|- 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, Foep'p. Cub. /—JjeavesS"-4,", petioles 

 6'", involucre 3"'-4''' long ; pappus pale-msty.— Hab. Trinidad {Sieb.) ; [Cubal ; Gmana I]. 



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

 above; leaves ovate, shortly pointleted, subentire, jw8M<2<p&«ef»e<?, glandular beneath ; heads 

 iernat'ely sessile: peduncles puberulous: glomerules in corymbs : bractlet hnceoUie, ^ as 

 long as the involucre ; involucral scales oblong, bluntish, rigid, striate, puberulous j corolla- 

 limb deeply 5-fid, as long as the tube : lobes oblong-lanceolate ; achenram shghtly glandular. 

 — M. Badieri, DC— Leaves 5"-3" long, 3"-14" broad : petiole 12"'-6"', involucre 3'" long; 



2 b 



