210 



ROSACEAE (ROSE FAMILY) 



above, sparsely hairy beneath, with slender petioles. Flowers 

 solitary in the axils, on long slender, wiry peduncles, golden 

 yellow, about a half-inch broad, the five petals broadly obovate, 

 longer than the pointed calyx-lobes and the narrow bractlets. 

 Achenes small, smooth, scattered by the nodding of the wiry 

 flower-stalks. (Fig. 151.) 



Means of control 



Cultivation, liming and manuring the soil, will so stimulate the 

 growth of better plants that the weed will soon be superseded. 

 Clover is the best crop to grow for this purpose. 



WHITE AVENS 



Geum canadense, Jacq. 

 (Geum dlbum, Gmel.) 



Native. Perennial. Propagates by seeds. 



Time of bloom : June to August. 



Seed-time: July to September. 



Range : Nova Scotia to Minnesota, south- 

 ward to Georgia and Missouri. 



Habitat : Fence-rows, woodland borders, 

 thickets along streams. 



A frequent weed in brushy pastures 

 where sheep are likely to be foraging 

 and to get their fleeces beset with its 

 bristly, hooked achenes. Stems one to 

 two feet in height, slender, erect, finely 

 hairy or sometimes smooth, branched 

 near the top. Lower and basal leaves 

 long-petioled, pinately three- to five- 

 parted, the terminal lobe large and 

 broadly ovate, the lateral lobes small 

 and narrow, all sharply toothed; stem 

 leaves with fewer segments and short 

 petioles, the topmost becoming lance-- 

 shaped and sessile. Flowers white or 

 pale greenish yellow, about a half-inch 



FIG. 152. White Avens 

 (Geum canadense). X i- 



