176 45. COMPOSITE. 



sjiaped, perfect (reddish purple). Antli. included. Branches 

 of the style exserted, cylindrical, blunt. , .-• 



' (2.),2. Pbtasites. ^eaf?s mauy-flo'wered. Feni. fl; filiform, 

 ohliciuely truncate or shoi-tly ligulate, in mkhy rows in the 

 fern, heads, none or in 1 row in the male heads. Male fl. 

 tubular, few , aj)d Central, in ' the fem. , heads, occupying the 

 whole disk ip the male, heads. Receptacle naked. Phyll. 

 in one tow.— Hants subdicedo^. ' Heads panicled. ,' 



(3.) 3. TussiLAGO. iieatfe many-flowered. H. of ray, nar- 

 rowly ligulate, fem., in many rows; of disk male, tmbiilar, 

 5-cleft. Receptacle naked. Phyll. in 1 row, with mem- 

 branous-margins.. — Heads solitary.: 



(4.) 24. Senbcio. Fl. of ray in one row, ligulate, fem., 

 rarely ; of disk perfect, tubular. Inv. cylindricalor coni- 

 cal, of 1 row of ecLual phyll. not memhranoas at the margin, 

 with or without smaller scales at its base.- 



(5.) 23. DoEONicuM. FL of ray in 1 row, ligulate, fem. ; of 

 disk perfect, tubular. Inv. hemispherical, of 2 or S rows of 

 equal phyll. '- Pappus waiting in the ray. 



(6.) 8. LiNOSYBis. Heads not radiant. Fl. all perfect, tubu- 

 lar (yeUow). Receptacle naked, pitted j .pits with elevated 

 dentate mafgins in our plants. ' Phyll. irabricate. Fr. com- 

 pressed, silky, without, a, beak. ' ,,, - , ., , 



(7.) 4. AsTBB. Fl. of ray {era., ligiilatej m 1 row; of the 

 disk perfect, tubular. Receptacle naked, pitted.' ■ Phyll.' 

 imbricate and a few scales on the peduncle. Pappus ia 

 many rows. Fi'. com'pressfed, without a beak. 



(8.) 5. Ebioeron. JF^. of ray fem., ligulate, in many rows ; 

 of the disk mostly perfect, 'tubular. : Receptacle naked. 

 Phyll. imbricate. ' Pappus in maaay rowsi' Fr. compressed, 

 without a beak. 



(9.) 7. SoLiDAGO. Pappus in 1 row. Fr.' terete. (F1. all 

 yellow.) Otherwise lilie Aster. 



** Anthers 'with 2 bristles at their basg. 

 t Receptacle without scales. Fr. cylindrical or tetragomd. 



(10.) 9. Inula. Fl of ray fem., ligulate, rarely subtubular; 

 of disk perfect, tn,bvilar. Receptacle naked. Phyll. im- 

 bricate in many rows. Pappn-s hairlike, unifcfrm, in 1 row. 



(11.) 10. PuLiCA-RiA. Phyll. laxly imbricate in few rows. 

 Pappus- in 2 rows, outer short ouplike membranous toothed 

 rarely wanting,, inner, hairlike. Otherwise like Inula. 



