328 Compositae, 



1. Tussilago Farfara Linn. Spec, 1214. Plenck. Plant, 



med.t. 629. FYor. Dan. t. b95. Engl. Bot.t.i29. Hayne, 



Arzneigew.2. 1. 16. Gaertn. Fruct. 2. 447. 1. 170./. 6. 



Cand. Prod. 5. 208. Koch. Synops. 350. 



In agris argillaGeis et collibus calcareis 



passim. (Spandau, Schmarg-eiidorf, Wilmers- 



dorf, Heinersdorf, Riidersdorf.) Floret primo 



vere. 2j. 



Petasites Tournef., Gaertn., Cass. 

 Capitula multiflora, subdioeca, discoidea; mascula flo- 

 ribus femineis paucis marg-inalibus, feminea masculis per- 

 paucis centralibus instructa. Corollae masculae infundi- 

 bnlari - tubulosae , limbo campanulato quinquefidae; fe- 

 mineae tenuissime tubulosae, apice nunc irregfulariter 

 quinquedentatae, nunc integrae et antice fissae. Involu- 

 crum subuniseriale, polyphjllum, calyculatum. Achenia 

 teretiuscula , striata, glabra. Pappus pilosus, deciduus.^; 

 pilis scabriusculis, interdum apice clavulato-incrassatis, 

 in flore femineo multo copiosioribus, quam in masculo. 

 Receptaculum ebracteolatum. Herbae subacaules , peren- 

 nes, repentes ^ rami Jloriferi simplices ^ scapiformes , erectij 

 bracteati, apice racemoso -polycephali. Folia seriora^ ra- 

 dicalia^ longe petiolata^ ampla., reniformi-cordata^ sinua- 

 to-angnlata, dentata. Capitula purpurascentia^ alba vel 

 lutea. 



"'X Petasites vulgaris Desfont. Atl. 2. 270. Cand. 

 Prod. 5. 206. 



Foliis reniformi-cordatis, sinuato-angulatis, dentatis, 

 supra pubescentibus, subtus lanuginoso-tomentosis et in- 

 canis; lobis baseos rotundatis, approximatis. 



Tussilago Petasites Linn. Spec. 1215. (planta submas- 

 cula.) Curt. Lond. 2. t. 59. Engl. Bot. t. 431. Smith. Brit. 2. 

 880. Schkuhr, Handb.3. t.2i2. Flor. Dan.t.Si2. Hoppe, 

 Taschenb. 1803. 35. Buil. Herb. ^ 391. Hayne. Arznei- 

 gew. 2. t. 17. 18. 



