COMPOSITE 3 



3. HOMOGYNE, Cass. 



Capitule usually solitary, on a nearly leafless scape, 

 appearing before the leaves ; involucre usually of one row 

 of bracts ; leaves mostly radical, stalked, round. Alpine. 



H. alpina, Cass. (PI. 59) ; flowers yellowish-red, capi- 

 tule solitary, stem 6-12 in., woolly, leaves cordate-reniform, 

 crenate, green on both sides ; alpine pastures, frequent. 

 H. discolor, Cass. ; flowers yellow, capitule solitary, stem 

 3-9 in., woolly, bracts of involucre purple, leaves cordate- 

 reniform, lighter and tomentose beneath; pastures; Tirol, 

 Styria, Carinthia, Carniola. H. sylvestris, Cass. ; flowers 

 yellow, stem 6-12 in., hairy, with 1-3 capitules, leaves 

 green on both sides, cordate-reniform, coarsely dentate, 

 upper with sheathing leaf-stalk ; pastures ; Styria, Car- 

 inthia, Carniola. 



4. TUSSILAGO, L. 



Capitule solitary, on a leafless scape; ray-flowers 

 female, disk-flowers male, all yellow; leaves appearing 

 after the flowers. Not alpine. 



T. Farfara, L., Colt's- Foot ; very common. 



5. PETASITES, Tourn. 



Capitules numerous, forming a terminal panicle on a 

 leafless scape ; flowers purple, red, or white ; ray-flowers 

 mostly female, with filiform corolla; leaves very large, 

 appearing after the flowers. 



P. officinalis, Mcench. (vulgaris, Desf.) Butter-bur; 

 flowers pink, leaves up to 3 ft. in diam., tomentose or 

 cobwebby beneath ; wet places in the lowlands, common. 



