150 COMPOSITAK. iikmarpus. 



longiuscule acuminata pciininrn ia sirrala, bipollicaria, 0—9 lin. lata, corymbi trichotomi 

 Bubfastigiali, folia sub rami» duo opposita lanceolata parva iniegerrima vej lacrata, ca- 



pitula pauci-',3 -4- llura, Qpsaujj II, m. Creacil in Uexico. 



Divisio V. AMBKOSIEAK DC. 1. f. V. 522. 



2480. Vivrim M Tournef. 



(Wllrili. Beitrage tur Bolanik M, l.llft. •_'. p. 229.) 



Sectio I. ANOPLIA Wllrth. 1. c. 



t.anlis a radice annua simplex \i'l ramosus inermis. Folja <• baai varie producta, iri- 



nervia ovata 3— 5-lolia inaequaJitei sinuato-dentata, rarius simplicia. [nflorescentia >lis- 



junri.i monoica axillaris scssilis \H spicalo-racemosa, flores masculi Lerminales, foeminei 



Bubjecti. Fruetus aculeatus birostris, rostra conforniia directipne »-i Bgura varia omnino, 



apice 1111111' recta (orthorrhyncha , nunc in bamum varie inllcxuin desinentia (cajnpylor- 



rhyncha), nunc hiaiu longitudinali magis minusve contraclo reclusa seu leretia, nunc 



transversim lissa, veluti bivalvia. 



Tribus I. Orthorrhyncha: Rostra fructus recta. 



1. X. ANTIQUORIM Wllrtb. >l. c. f — Caule foIHsque utrinque lenuiter hirsuto-pilosis, 

 inferioribus cordatis trinerviis, reliquis e liasi aequali producta profunde acuteque tri- 

 Iobis inaequaliler inciso-dentatis; fruclibus e basi rotundata oviformihus undi(jue ic^ii- 

 lariter aculeatis, hirsuto-pilosis, aculeis confertis e basi circumscripta crassiore hirsula] 

 abrupte attenuattis cartilagineis calvis, in bamos breves rotundato-incurvos desinenlibus, 

 hori/onialiler patentihus, infimis rellexis phylla calycina setacea subaeqnantibus, roslris 

 ovato-oblongis palentibus incurvis in apicem teretem contractum tenuatis. Q — X. In- 

 dicum DC. Prodr. V. 543. (ex p.) — X. slrumarium Delile, Illuslr. fl. Aegypt. 891. — 

 .V. Dioscoridis Gundelsh. mss. in Hh. Rej,'. Berolin. — EdvOwv Diosc. Mat. medic IV. 

 136. — Crescit ad ripas fluvii Tigridis vel Nili. 



2. X. ARYSSINICUM Wllrlh. I. e. 230. | — Caule slriato glabrisculo, superne ramoso; fo- 

 liis c basi acquali longe producta ovato-suhdelloideis trilobis sinuato-dentatis acutis du- 

 pliciter pilosis concoloribus; fruclibus e basi tenuala oviformibus hirsuto-glandulosis; 

 aculeis e basi subaequali birsuta in hamum leviter inflexum attenuatis, omnihus paten- 

 tibus, fructus diametro transversali duplo brevioribus, rostris ovatis brevibus abrupte 

 breviterque atlenuatis inaequalibus bivalvibus, valva interna confortni duplo breviori. O 



— X. strumarium Schimp. Hb. itin. Abyss. II. no. 1343. — In Abyssiniae campis. 



3. X. LAEVIGATUM Muhlnbrg. mss. jn Willd. Nerb. 17469. fol. 7. ex Wllrlh. I. c. 231. y 



— Caule dupliciter piloso; foliis e hasi abbrcviala trinervi suhcordato-ovalis trilohls in- 

 aequaliter inciso-dentatis, supra glandulosis, demuni calvescentibus, suhtus parce pilosis, 

 lobis inferioribus produetis, sinum angustum triangularem circumscribenlibus. O — 

 Xiiniliiiu» strumarium cr America boreali foliit laevibus sublus pubentibus Willd. 

 Spcc. plant. IV. 373. — Crescit in Amcrica boreali. 



4. X. PUNGENS Wllrth. 1. c. f — Caule superne ramoso parce setoso-piloso clato; foliis 

 e basi leviler producta nervis' exaratis inaequalibus efoliaceis munila ovatis quinque- 

 lobis inaequaliter sinuato-dentatis, utrinque pilis adpressis seiosis brevissimis vestitis 

 concoloribus; fructibus e basi rotundata ad apicem tenualum aequaliter et conformiter 

 aculeatis oviformibus calvcscentihus, aculeis e hasi incrassala sensim in hanios levitcr 

 inflexos cartilagineos lenualis patenlibus, infimis reflexis, rostris elliplico-linearibus sen- 

 sim acuminalis rcctis eonniventibus aculeos aequantibus pungentibus. Q — A'. maero- 

 carpum y9. glabratum. DC. 1. c. 523. — X. Carolinianum Gronov. Fl. Carolin. 200. — 

 Xanthium Carolinianum medium frwlu loroso Dillen. Ilort. Eltham. t. 321. (exclus. 

 fig. 13—16.) — Crescit locis inundalis in America boreali. 



5. X. INAEQUILATERUM DC. 1. c. 523. - Wllrlh. I. c. 232. — „Involucro fructigero ovali 

 inter aculeos et ad basin rostrorum puhescente, rostris rectis; foliis ovalis angulalo 

 trilohis repando-serratis, basi inaequali attcnuatis, summis penninerviis." Q — X. ori- 

 enlale Rlume, Rijdragen 915. (nec alior). — Crescit lobis inundatis prope Ruitenzorg 

 in insula Java. 



