102 



27. COMPOSITE.. 



flowers : akenes tapering at both 

 ends, the outer ones with 10 

 denticulate ribs, the inner ones 



rather 



pappus 



golden- 



inter- 



Trag'opog'on porrifolius. 



ahnost smooth ; beak 

 longer than the akene ; 

 of iinequal, plumose, 

 brown hairs, with soft. 

 woven barbs. 



Roadsides and gullies. — Oct.- 

 Dec. — Mediterranean region ; 

 rare in northern Europe. 



31. Taraxacum, Jussieu. 



Involucre of several equal inner 

 erect bracts, and many <^)uter 

 shorter ones, in several rows : 

 flowers all ligulate ; akenes 

 oblong-cylindrical, tapering into 

 a long slender beak : pappus of 

 simple hairs in several rows : 

 receptacle naked. 



1. Taraxacum officinale, "Weber. Common Dan- 



dcl'ion. Rootstock peren- 

 nial, thick; leaves in a 

 radical rosette, runcinate- 

 pinnatifid; glabrous or 

 hairy, lobes triangular, 

 variously cut or slightly 

 toothed ; heads with yel- 

 low flowers on radical 

 poduucles ; akenes greyish 

 striate, spinulose at sum- 

 mit, shorter than the beak. 

 T. Dcn.f-lcoins, Desf. 



The variety with narrow 

 leaf -lobes and reddish 

 akenes is T. erythros- 

 prrmiiiii , Andrzeiowski. 



Roadsides and pasture. 

 — ^Most of tlie year. — 

 Europe; Asia. 



32. LAcrrcA. L. 



(Fintin Jar. milk; these 



plants have a milky 



juice.) 



Involucre cylindrical, of unequal overlapping bracts, 

 those at the base short; flowers all ligulate: akenes much 

 compressed, striate on both sides, long-beaked; pappus of 

 many simple hairs; receptacle naked. 



Taraxacum officinale. 



