Nova genera et species I. Ak 
Stamina corollae sub limbo inserta. Styli rami parte integra fere duplo 
breviores, in ®/, superiore manifeste papillosi. Achaenia immatura. 
Hab. in Trinidad in fruticetis et sylvis ad Arima, m. Mart. flor.: 
Eggers ed. Rensch n. 1121. 
Mikania oopetala Urb. (n. sp.) ramis lineis 6 prominentibus plus 
minus hexangulis, superne minute pulverulento-puberulis, mox glabres- 
centibus; pseudostipulis nullis; foliis 2—0,7 cm. longe petiolatis, ovatis 
v. ovato-ellipticis, basi subabrupte et cuneatim in petiolum protractis, 
apice vix v. satis longe acuminatis acumine obtuso, 15—5 cm. longis, 
7—2 cm. latis, margine integris v. obsolete crenulatis, pinnatinervibus, 
membranaceis, supra glabris v. ad nervos obsolete pilosulis, subtus bre- 
vissime et dense pubescentibus v. tomentosulis, laevibus; inflorescentiis 
terminalibus et lateralibus, corymbosis, ramulis in cymas 3- raro 5- 
cephalas excurrentibus, bracteis superioribus sicut prophylla lanceolato- 
linearibus v. linearibus ad ramulos plus minus sursum adnatis; capitulis 
arcte sessilibus; involucri squamis 6—7 mm. longis, apice obtusis v. 
rotundatis; pappi setis 68—80 ad apicem parum v. manifeste incrassatis; 
corolla 5—6 mm. longa, ad v. supra medium in limbum campanulatum 
abrupte dilatata, lobis ovatis obtusiusculis, limbo integro duplo longio- 
ribus, erectis v. subincurvis; achaeniis 4—5 mm. longis glabris glan- 
duloso-punctatis, plane maturis obtusangulis, in angulis ipsis leviter 
longitrorsum sulcatis. 
Mikania amara Spreng. Syst. III (1826) p. 421 (p. p.); Poepp.! 
Pl. eub. in sched. (in alüs herb. ut videtur sub M. volubili distributa); 
— non Willd. 
Mikania attenuata A. Rich. in Sagra Oub. XI (1850) p. 43 (ex 
deser.); — non DC. 
Mikania trinitaria Griseb.? Flor. (1861) p. 363 (p.p.), Pl. Wright.! . 
p. 512 et Cat. p. 147; Sauv. Qub. n. 1207 9.78; — non DC. 
Eupatorium Irinitarium Maxa Cat. Periant. in Anal. Soe. esp. 
Hist. nat. XIX (1890) p. 270 (cum var. volubilis Mazxa). 
Volubilis. Rami juniores pilis brevissimis crispulis plus minus ob- 
sessi, internodiis usque ad 15 cm. longis, ramulis serialibus obviis et plerum- 
que evolutis. Folia nervis supra vix prominulis, lateralibus plus minus 
arcuatis, obsolete anastomosantibus. Corymbi 4—7 cm. longi, interdum 
in panniculam amplam collecti; rhachis et ramuli breviter v. brevissime 
pubescentes; bracteae euphylloideae ovato-oblongae usque lanceolatae, 2—1 cm. 
longae, caeterae lanceolato-lineares v. lineares; prophylla 3—5 mm. longa. 
Involueri squamae anguste oblongae v. oblongo-lineares subaequilatae, aequi- 
longae v. subinaequilongae, 5—7-nerves, exteriores dorso brevissime v. 
breviter puberulae, interiores praeter apicem glabrae. Pappi setae subbi- 
seriatae liberae manifeste spinuligerae sordide albidae v. rufescentes. Corollae 
lobi ad apicem brevissime puberuli. Stamina corollae sub limbo inserta, 
