161 



lutcae, discl: 1^'" longae, glabrae, 5.nerviae, 5-dentatac, 

 2/" longae, limbo subcylindraceo, longo, a tubo brevissi- 

 mo distincto; radii circlter A'" longae, lingula undulala? 

 oblongo-elllplica, obtusa, tubum longe superanle, aplce 

 2-lobo-emarginala, oo-nervia, extus hirsuta. Aniherae in 

 disco: aus anguslls, ovalis, obtusis, a valvis postlcls sinu 

 ntrinque dislinctis, pinualifido-strialis etc.; radii: ne vesti- 

 gia quidem. Stylus basi altenuatus, ramis linearibus, lon- 

 gis quidem sed parte integra brevioribus, in disco: conö 

 acuminato superatis superne pubescentibus. Achaenia ero- 

 Stria, obpyramidala, radii: 3-, dlscI: 4-angulata, circiter 

 1.'"' longa, foliolo apice hirsulo in aristas 1 — 3 serrula- 

 tas piano- compressas, serraturis posticis profundioribis, in- 

 aequales, breves, saepe in adultis caducas excurrente arcte 

 inclusa eoque sublato tenuiter transverse rugnloso - stria 

 la; arola terminali absque callo basilari, disco epigyno 

 minuto, nectario alveolari magno (v. sp. s. oo). *) 



2. Wedelia Chamissonis * {Verbesina canescens 

 Gaud. 1. c.) 



III. Chamisso in Guahan. 



Caulis herbaceus, gracilis, volubills? tefragonus, stria- 

 lus, ubique aequaliter foliatus, hirsuto- canescens. Folia 

 decussata, petiolala, membranacea, tripli-penninervia, ner- 

 vi» sublus prominulis, venosa, plana, hirsuto -canescentia, 

 serata, basi inlegerrlma, elliptico s. ovato- lanceolata, bre- 

 viler rectllineo - acuminata, petiolos hirsuto - canescentes, 

 circiter triplos aequanlia, 3 — 4" longa, ^ — 2|'' lata, sub- 

 tus pallidiora. Intlorescentia , capilula et involucra nee 

 non bracteolae prorsus praecedentis , sed foliola hirsuto- 



*) Exstat spcctmen slngulum in hrb. Hörn, a "W.iUichio ex h. 

 bot. 1816 commuaicatum , nomine aVerhesina scaiidens Roxb. " in- 

 scriptura, quod tantummodo recedit: caule glabro, foliis magis renio- 

 tls et basi breviter acuminatis ; foliolis longissimc acuminatis, discuia 

 excedentibus ; ovariis omuino muticis. 



6r Bd. la Heft. 11 



