152 COMPOSITAE. wmiii.m 



n. v LONGIROSTRE Wllith. I. c 237. -;- Caule ramoso ad peUolos (oUoromqat ner- 

 \n> inferiores slrigoso-eeloso ; foliia e basi longe aequalilerque produeta omieaia Iri- 

 ihtm.i late ovatia quinquelobis, baseos quintuplinerviis deflexis; rrnctiboj majoaculis 

 e basi prodnoliore elliptico-oviformibui parce getosis, aculeia remotis e basl crassiore 

 lenaim tenuatis nndis, apice cartilagineis declinatis, inferioribus refraclis, roslris oblongis 

 terelibus in apieem brevem anguste canaUcnlalum Bensim tenoaUs aonleoi BnperanU- 

 bua. © — X. macrocarpum /9. glabrakim DC. I. c 533. - Crescil in insulis Si. Tho- 

 mas el HayU, 



,, Aculei fructus infra apicem carlilagineum calvnm pilis aciculatis fus- 

 cis glandulisque Interspersis seu pube mizta \rstiti. 



12. X. ITALICUM MoretU, Pl. Italic V. 8. no. .50. — Rchb. Iconogr. V. flg. 503. Wllnli. 

 I. c. f — Caule Buperne ramoso maculalo; foliis trilobis; frucUbus ovato-ellipUcis hir- 

 sutis, rosiris linearibus, basi pilis brevibus recUs, sensim In apicem adnncum calvum 

 nbeuntibus. O - X. macrocarpum Bluff el N. ab Esenb. Comp. fl. Germ. II. 066. — 

 X. echinaltm Balbis el Nocc. Fl Ticin. I. 139. (nec Hurr.) — Crcscit in ItaUa superiore. 



13. X. SACCHARATUM Wllrth. 1. c. 238. t — Caule ramoso maculato, petiolis foliisquc 

 pilis utrinquc substrigosis brevibus adpressis adspersis; foliis superioribus c basl pro- 

 ducta inaequaUter ncrvosa ovatis acute quinquelobis sinuato-dentatis, utrinque concolo- 

 ribus; fructihus magnis e hasi leviter producta ovato-subellipticis, aculeis confertis 

 c basi crassiore dense glandulosa (rnbiginosa) cartilagineis irj hamos leriter inllexos de- 

 sinentihus, infimis refractis calycis pbylla lanceolato-linearia ciliata roslrumque aequan- 

 tibus, rostris aculeos ellipticos vestitu ct figura subaequantibus convergenUbus bilabia- 

 lis, lal)io inferiore ah hamo longe retracto. O — %• macrocarpum Berlandier Ilh. no. 

 1865. (nec DC.) — X. maculalum Ralin. in Sillim. Journ. I. 149. — Crescit in Mexico. 



14. X. ECHINATUM Murr. Comment. Gbtting. 1784. et Willd. Herb. no. 17471. fol. 1. ct 2. 

 (nec Balb. nec Pollin.) — Wllrih. I. c. 239. t — Caule ramoso; foliis e basi longe pro- 

 tracta cuneata trinervia ovatis quinquelobis irregulariter obtuseque dentatis, supra stri- 

 gulosis, utrinque concoloribus; fructibus e basi leviter producla ovato-ellipticis (magnis 

 fusco-glandulosis), aculeis distinclis validis rcclinato-incurvatis, praeter apices cartilagi- 

 neos politos aduncos pilis arliculatis sparsis glandulisque vestilis, pbyllis calycinis lan- 

 ceolato-linearibus duplo hreviorihus, rostris ovato-ohlongis longe acuminatis patenlissi- 

 mis veluU forcipatis hirsuto-pilosis inaequaliter hivalvihus. O — X. macrocarputn HC. 

 Fl. Franc. VI. 356. (ncc Prodr.) — X. cuneatum Mnch. Method. Suppl, 300. (excl. syn. 

 plur.) — X. orientale Auctor. et Grlnr. Fruct. II. 418. t. 162. fig. 2. — Scnkhr. Hndhch. 

 III. t. 291. — Xanthium Canadensc majus fruclu aculcis aduncis munito Tournef. 

 Institut. rei herb. 439. t. 252. M. — Crescit in Europa australiori. 



15. X. OVIFORME Wllrth. 1. c. 240. t — Caule simplici paucifolio glahriusculo; Toliis 

 indivisis ovatis ohsolete trinerviis inaequaliter sinuato-denlalis, utrinque concoloribus, 

 setulis adpressis albidis asperis; fructibus sessilihus solitariis, utrinque aequaliter rotun- 

 dalis oviformihus (maximis), aculcis conferlis validis corniformibus, basi pilis articulatis 

 ferrugineis densis vesUtis cum rostris intus contraclis teretibus, figura, vestitu et longi- 

 tudinc suhconformihus deliqucsccndo veluti ohliteratis. Q — A'. Canadense Hook. mss. 

 (nec alior.) — Crescit in America boreali. 



Sectio II. AKANTHOPLIA Wllrth. 1. c. 241. 



Caulis sectionis praecedentis nisi ramosior, spinis axillarihus triparlitis, raro simplici- 

 bus infeslus. Folia elliptica triloba, raro indivisa, suhtus pilis setulosis incanescentia Iri- 

 plinervia. Fructus ellipticis inaequaliter recteque rostratus, apice connivente clausus re- 

 mote aculeatus puhe varia manu et colore vcstitus, nunc patens, nunc deflexus. 



16. X. CANADENSE DC. Prodr. V. 524. — Wllrth. 1. c. 241. — „Spinis simplicibus soli 

 tariis; foliis ohlongis subintegerrimis, mucrone spinuloso terminatis, ufrinque glahrius- 

 culis." O — Crescit in America australi. 



17. X. XANTHOCARPUM Wllrth. 1. c. 241. t — Caule e basi inde ramosissimo slricto, 

 pilis adprcssis brevibus arrectis adsperso; spinis tripartitis; foliis lanceolatis indivisis, 

 utrinque aequaliler acuminatis, supra setoso-pilosis, subtus obsolele trinerviis incanes- 



