Compositae. 217 



tusis, interioribus fere duplo latioribus, 2,5 — 3 mm. longis; pappi setis 

 er. 45. apice non v. vix inci'assatis: coioUa 2,5 mm. longa lineari-cylin- 

 dracea, limbo nou couspiciio, lobis breviter oblougis erectis tubo toto 

 5 — 6-plo brevioribus; achaeniis glabris. 



Mlkania Sn-artxiana Oriseb.! Flor. (1861) p. 368 et PL Wr. 

 p. 512 et Cht. p. 147; Schul tx. Bip. in Seem. Jouni. of Bot. I p. 285; 

 Saiiv. Cub. n. 1206 p. 77. 



Eupatoriam Hou.stoni.s Sir. Oö.s. (1701) p. 800; Maxa Cat.Pcrianf. 

 p. 269; — iioii LitDi. 



Mlkania HoKstouH Spreng. S(/.st. III (1826) p. 421 (p.p.); Ä. Rieh, 

 in Sagra Cub. XI p. 43 (mb M. Houstonis); — non Willd. 



WiUoughbija Swartziana 0. Ktxc. Rev. (1891) p. 873. 



Hab. in Ciiba: Wright n. 303, ad Brazo de Canto prov. Santiago, 

 1000 m. alt, m. Sept.: Linden n. 2141 (ex Schultz Bip. 1. c): Jamaica 

 in friiticetis rara ex Swartz. 



4. Mikauia polyeephala ürb. ramis juiiioribus subteretibus, 

 obsolete v. vix striatis, pilis brevissimis scabriusculis: pseiidostipiilis 

 nuUis; foliis 8 — 3 mm. longe petiolatis, ovatis usqiie elliptico-oblongis, 

 basi obtusiuscnlis v. ubtusis, antice acuminatis v. breviter et sensim 

 angustatis, apice ipso obtuso, 6 — 2,5 cm. longis, 2,5 — 1,3 cm. latis, 

 margine subintegris, nervis lateralibns ad et supra basin 4 longitrorsis, 

 coriaceis v. chartaceo-coriaceis, supra obsolete scabriusculis; inflores- 

 centiis terminalibus et lateralibns panniculatis, e racemis simplicibus 

 v. infimis iterum ramulosis compositis, bracteis pedicellos suffulcien- 

 tibus; capitulis in quoque racemo 10-38, pedicellis 1,5 — 2 mm. longis; 

 involucri squamis exterioribus apice obtusis, interioribus fere duplo 

 latioribus apice rotundatis, 3 mm. longis; pappi setis er. 40, ad apicem 

 non V. vix incrassatis; coroila vix supra 2 mm. longa, ad medium in 

 limbum vix crassiorem cylindraceum abeunte, lobis breviter oblongis 

 obtusis, limbo integro subaequilongis ereetis; achaeniis 1,5 mm. longis 

 glabris. 



Mikania polycephala Url).! Sijmb. II (1901) y. 459. 



Hab. in Haiti in montibus Furcy uk iS'^ov. flor.: I'icai'da n. 1529. 



5. Mikania ovalis Gi-iseb. ramis toretibus obsolete v. vix sti'iatis 

 nigrcsc<'iitibus glal)iis; pseudostipulis niülis; foliis 8 — 12 mm. longo 

 petiolatis, ovatis v. breviter ovalibus, basi rotimdatis, apice plus minus 

 abrupte et breviter acuminatis, acumine ipso obtuso, 6 — 4 cm. longis, 

 4,5 — 3 cm. latis, margine piano v. vix recurvato integris, supra basin 

 ipsam 3- v. sub -5-nervibus, coriaceis: inflorescentiis terminalibus et 

 ex axillis folioruni supremorum lateral! bus, breviter pubeseentibus, 



