Classification of Plants 373 



** ALL THE FLOWERS STRAP- SHAPED AND PERFECT. 



TRIBE VI. LIGULIFLOR^E. Styles long. Plants with milky 

 juice. 



Urospermum. Heads many-flowered. Involucre in one 

 row. Pappus one-rowed and feathery. Receptacle bristly. 



FIG. 354. Printzia. I. Ray flower. II. The stigma, pushing out, 

 brushes the pollen from the stamens. III. The following day it draws back 

 and leaves the pollen in a ring at the top of the stamens. 



Achenes with long, sharp beaks, bladdery at base and rough 

 with sharp points. Herbs with stem-clasping leaves. 



SonchllS. Heads many -flowered. Involucre in several 

 rows. Pappus soft, very white slender hairs. Achenes not 

 beaked. 



Common weeds with yellow flowers. Leaves with a wavy margin, 

 or pinnatisect. 



