202 FLOWERS OF FIELD, HILL, AND SWAMP 



The involucre is round, with many scales in rows, leathery, 

 each tapering to a recurved, prickly point. Plant 2 to 4 feet 

 high. 



The writer recalls, in connection with this plant, an anxious 

 day when her small children were missing. After a prolonged 

 search they were found seated under a large burdock-plant, some 

 distance from home, on a road leading into the woods, making 

 baskets and bird's-nests by sticking together the burdock flowers. 



58. Hairy Hawkweed 



Hieracium Groribvii. — Family, Composite. Color, yellow. 

 Leaves, hairy, entire or slightly toothed, oblong, or broader at 

 apex. 



Heads small, 15- t0 3o-flowered, on long, slender stems, leafy 

 and hairy. Flowers panicled. i to 3 feet high. 



A common plant in sterile soil along roadsides and the edges 

 of woods. 



59 



Chondrllla juncea. — Family, Composite. Color, yellow. 

 Leaves, small, a few on the stem, long and narrow ; mostly 

 from the root, deeply cut, the segments bent backward. 

 Time, August. 



Small, scattered heads of flowers on nearly leafless branch- 

 es. Stem, 3 feet tall or less, bristly hairy below, smooth above. 



60. Cotton, or Scotch Thistle 



Onopordon Acdnthium. — Family, Composite. Color, purple. 

 Leaves, coarse, prickly, cottony-woolly, running down the main 

 stem. Time, July to September. 



A thistle introduced from Europe, not yet common in the At- 

 lantic States. 2 to 4 feet high. 



61. Centaurea, or Knapweed. Star-thistle 

 Ceniaurha nigra, likewise an importation from the Old World, 



