Petasites. 329 



Pctasites ofiiciaalis Moench. Meth. 568. (1794) Koch. 

 Synops. 350. 



Tussilago hybrida Linn, Spec. 1214. {planta sttb/emi- 

 nea.) Engl. Bot. t. 430. Smith. Brit. 2. 879. Schkuhr, 

 Handb. 3. t 242. 



In humidinsculis et ad margines fossarum 

 passim. (Thiergarten, bci der Louisen -Insel, 

 Gicsendorf [Bouche], Friedrichsfclde [Vagel], 

 Schonhausen, Spandau.) Floret Aprili, Majo. 2|. 

 Corollae masculae pnrpurascentes; feraineae tenuis- 

 sime tubulosae, apice inaequaliter 3 — 5 - lobae. Radii 

 pappi caplllares, scabriusculi, apice haud incrassati. 

 2. Petasites spurius Reichenh. Germ 279. Koch. 

 Synops. 351. 

 Foliis late reniformi-cordatis, sinuato-septangulatis, 

 dentatis, supra viridibus, lanug^ine arachnoideo tenui so« 

 lubili obtcctis, subtus candidis et lanuginoso-lanatis; lo- 

 bis baseos divaricatis. 



Tussilago spuria Rets. Obs. 1. 29. t. 2. HoJ^m. Germ.293. 

 Roth. Germ. 2. 349. Flor. Dan. t. 1828. 



Tussilago tomentosa Ehrh. Beitr. 3. 65. Hoppe, Ta- 

 schenb. 1803. 51. 



Petasites tomentosus Cand. Prod. 5. 207. 

 Ip ripis sabulosis Havelae, prope Pichels- 

 berg^. Floret prima vere. ^ 



Capitula multiflora, polyg^ama; flores masculi creber- 

 rimi, feminei pauci, marginales. CoroUac luteae, femi- 

 neae tenuiter tubulosae, apice ampliatae, antice fissae, 

 intcgerrimae. Radii pappi capiliarcs, scabriusculi, apice 

 clavulato-incrassati. Achenia fnsca, striata; striis 10?, 

 prominulis, luteis. 



U) ASTEROIDEAE Leas. Capitula hetero-, rarius 

 homog^ama vel dioeca, illa sacpissimc radiata. Stylus su- 

 perne cylindraceus, in floribus hcrmaphroditis bifidus, in 

 masculis snpernc pubesccns vcl papillosus, siraplex vcl 

 bifidus ; laciniae illorum longiuscnlae, lineares, extus pla- 



