515 



Besser Emiin. p. 37, Nr. 1219. — Hofft Cat. liiirsk. p. 60. — Ledi:b. Fl. 



alt. IV . \i. 4*23. — C. A. Meyek lud. caitc. p. 72. — Eichw. Skii^.^e 



]). 151. — HonE^ACK. Enum. Elisahe(hf)ol. p. 259. — Wei^m. Taitibow. iNi. 



148. — HoHj;>ACK. Ettitm. Talitsvh. p. 54. — Feeisch. et Ljndeim. Fl. il. 



Ostsefprov. p. 335- — Kap.ee. et Kirie. Eimin. yl. Fl. ull. IVr. 438. 

 X. aiiiiuum. Gkorgi It. II. p. 713. 



X. iiioiioicum. GiLiB. Fl. lithuan. III, p. 170. — Ej. E.crc. jtht/tol. /, p. 144. 

 Xantliiuin. Erndt. Virid. warsate. p. 131. — GIjldenst. It. II, p. 65. 178. 281. 



Hab. iii Rcssia niedia [Livoiiia (Fi.sch.), Curonia (Fleisch. et LmDEiw.) , Li- 

 tliuaniaiGiLiB., Ju^dz., Eichw.), Wai'sawia(Ep.NDT.), VolIiynia(BEssKP., Eichw.), 

 Kursk (HoKFT>, Tula (Bobef.) , Mosqua (Stephan , Map.t.), Wladiinir (Pall., 

 Lepech.), Nislu-oorod (Lepech.), Tambow (Weimvi.), Sarafow (Lkpech.). Oren- 

 burf^ iGeop.gi)], et australi [Kiew (Tkautvett. in lilt.^ , Podolia (Besskk, 

 Eichw), Clierson (GiiLDEivsT.) , ad Tanaiii (GIlde^st. , Henmng) et alibi iii 

 teira Co.>saccorum (Gijldeinst.), a Tanai ad Ural. fl. usquc (Fale), ad Wolgain 

 pr. Zarytzin et Ural fl. (Pall.)], in Tauria (Pall., M. a Biee.) et i^rovin- 

 ciis laucasicis (M. a Bieb., C. A. Meyer) [ad fl. Terek (GiJLDENST.), in 

 Iberia (C. Koch), Awliasia! et alibi (Nordiviaivn /;/. ex.<i) , teriitoi. Elisabeth 

 pol, provinc. Karabajjh , pr. Lenkoran et alibi (Hohe^ack.)] iiique Sibiria 

 altaica! (Fl. alt. , Karel. et Kikil.) circa laciiin Alakul! (Schrenk) et Da 

 vuria ad fl. Argun! (Turcz. yl. e.vs.). Q, 



Sect. II. Acantho X ant hium, Dec. I. c. 



Involucri fructigeri rostruni saepius uiiicum , seiiijier rectum. — 

 8|iinae validne nd basin foliorum. Folia bnsi cunenta , nunquam 

 cordata. 



3. X. spinosum (L. Sp. 1400) sjDinis tripartitis , foliis trilobis 

 supra puberulis secus nervos canis subtus canescenti-tomentosulis. 



X. spinosum. Dec. Prodr. V, p. 523. — Guldenst. It I, p. 52. 426. 427 ; //, 

 p. 58. 75. 163. 174. 179. 192. 203. 210. 216. 249. 278. 308. 311. 312. 344. 

 362. — Georgi lieschr. d. Huss. II. III, 4. p. 1298 — Besser Enum. p. 37, 

 Nr. 1220. — EicHw. Skiz-ze p. 151. — C. Koch in Linnaea XVII, p. 44. 



Hab. in Rossia media [Tschernio;ow (Gijldenst.)] et australi [Kiew (GiJL- 

 DENST., Trautvett. ?n litt.), Podolia (Andkz. ex Besser, Eichw.), Ucrania, 

 Cherson, Jekaterinoslaw et teria Cosiiccorum (Gijldenst.)] , in Tauria pr. 

 Sabla! (iLedeb.) et provinciis caucasicis [Iiueretia (Giildenst.), Armeuia 

 (C. Koch)]. ©. 



Suhtribm II. Hellantheae. Lessing Si/n. p. 221. 



Capitula saepius heterogama , floribus radii ligulatis, femineis ; 

 disci hermaphroditis , rarius discoidea , homogama , floribus omnibus 

 tubulosis, nunrjuain monoica v. dioica. Corollae floris hermaphroditi 

 lobis crassis, saepius superne papillosis. Antherae nigricantes , ecau- 

 datae. Stigmata floris hermaphroditi divergenti.i, nunc truncata, nunc 

 penicillata , nunc saepius cono acuto v. appendiciila iineari terminata. 

 Achenia saepius tetragona , nunc teretia aut obcompressa. Pappus 

 nullus V. coroniformis 5 aristatus aut partim paleaceus , nunquam nec 

 omnino setosus, nec omnino paleaceus. 



Div. 1. Bidentideae. Lessing Syn. p. 229. 



Capitula heterogama , floribus radii ligulatis , neutris , rarissime 

 homogama, discoidea. Achenia rostrata , plerumque in aristas 1 — 4, 

 saepissime retrorsum aculeatas producta, rarius calva. 



