102 A GUIDE TO THE WILD FLOWERS 



O 



Leaves ^ in. wide or less 



Stems conspicuously jointed, leaves parallel-margined 



.... Coast Joint-weed no. 295 



Stems not jointed, leaves broadest at the middle . ; 



Knotweed no. 296 



Leaves more than 3/2 in. wide, usually much more 

 Flower clusters rather close, finger-shaped 



Flowers red or crimson Prince's Feather no. 297 



Flowers greenish, white or pink, not deep red 



Lady's Thumb no. 298 



Flower clusters rather open, usually much branched 



Leaves oval, plant 4-8 ft. tall .... Japanese Knotweed no. 299 

 Leaves arrowhead-shaped, plants less than 3 ft. tall 

 Flowers greenish-white; plants mostly less than i ft. tall 



Field Sorrel no. 300 



Flowers white; plants i-i^ ft. tall .... Buckwheat no. 301 



Leaves lance-oblong, the margins wavy and crisped 



Dock no. 302 



Flower cluster long, almost thread-like, unbranched 



Virginia Knotweed no. 303 



295. Coast Joint- weed. Polygonclla articiilata. An annual 

 wiry bluish-green herb, 6-10 in. tall with distinctly jointed 

 stems, and generally suggesting the heather. Leaves narrow, 

 scarcely % in. wide, not over i^ long. Flower clusters open, 

 few-flowered, pinkish, mostly at the ends of the branch- 

 lets. In sandy places, along and near the coast. Maine to 

 Florida, and along the shores of the Great Lakes. August. 

 Fig. 295. 



296. Knotweed. Polygonum tcnue. A slender weedy plant, 



