222 



Ign. Urbax: 



bracteis ramulos suffnlcientibus, propliyllis ad pedicellos saepe sarsum 

 adnatis; capitulis ad apicem ramulornm glomcratis, sunimis cjmose 

 dispositis, cymae terminali sessili, lateralibus usque 1mm. longe pcdi- 

 cellatis; involucri squarais 4 mm. longis apice obtusis v. rotundatis; 

 pappi setis er. 52 ad apicem iion v. vix incrassatis; corolla 5 mm longa, 

 ad medium subito in limbum subcampauulatum diiatata, lobis lanceo- 

 latis, limbo integro aequilongis, erectis v. apice recurvis; achaeniis 

 3 mm. longis, glabris. 



Mikania amhigens ürb,/ Symh. II (1901) p. 466. 



Hab. in Trinidad in friiticetis et sjlvis ad Arima, m. Marl flor.: 

 Eggers ed. Rensch n. 1121. 



12, Mikania rotunda Grriseb. ramis glabris striato-cjlindricis; 

 pseudostipulis niülis; foliis 2,5 — 1 cm. loiige petiolatis, breviter ovatis 

 V, oTato-orbiciilaribns, basi rotundatis, apice breviteret obtuse api- 

 ciilatis, 12 — 8 cm. longis, 9 — 6 cm. latis, margine integris, nervis 

 utrinquc 2 supra basin e mcdio prodeuntibus, iuterioribus arcuato-loiigi- 

 trorsis, exterioribus margiui parallelis, coriaceis, glabris; infloresceiitus 

 terminalibiis et axillaribus, panniculatis, e corymbis compositis, in c^^mas 

 3-cephalas exciirrentibus, bracteis ad ramulos, prophyllis ad pedicellos 



usque ad capitulum sursum adnatis: capitulis 2— 4 mm. longe pcdi- 



collatis; involucri sqiiamis 6,5 — 7 mm. longis, apice obtusis; pappi seti^ 

 44- 50 ad apicem manifeste incrassatis; corolla 5 mm, longa, a basi 

 valde sensim et anguste infundibuliformi-dilatata, lobis triangulari-lau- 

 ceolatis tubo toto 41/2 -plo brevioribus erectis; staminibus in V.^ ^^*- 

 corollae totius affixis; achaeniis (immat.) 2 mm. longis, glabris. 



Mikania rotwida Griseh.f Flor. (1861) j9. 364. 



Willoughbya rotunda 0. Ktxe. Bev. J (1891) p. 372. 



Hab. in Trinidad ad Tocuche, m. Majo flor.: Crueger. 



13. Mikania latifolia Smith, ramis lineis 6 promin entibus v. pro- 

 rainulis plus minus sexaugulis v. postremo teretibus sed multistriatis^, 

 ad apicem pilis brevissimis incurvis obsitis, mox glabrescentibus v. 

 plane glabris; pseudostipulis nullis; foliis 5 — 1 cm. longe petiolatis, late 

 ovatis usque anguste ovatis, basi rotundatis y. subtruncatis, raro leWter 

 suhcordatis v. obtusis, apice in acumen acutum v. cuspidatum pro- 

 tracüs, 15-4 cm. longis, 9—1,5 cm. latis, margine integris, nunc 

 ad basin undulato-creuatis, rarissime superne dente unico obsitis, nervis 

 utrinque plerumque 3 supra basin e medio prodeuntibus, interioribus 

 nrcuato-longitrorsis, chartaceis v. membranaceis, supra glabris, subtir 

 brevissime pilosulis v. tomentosulis raro glabris; inflorescentiis termi- 

 nalibus et lateralibus, corymbosis, saepius in panniculam coHecti?, 

 ramulis in cjmas 3-ceplialas excurrentibus , bracteis superioribus sicut 



ai 



