322 



EXPERIMENT STATION BULLETIN. 



Fig. 54. 



Upright Goosefoot. Chenopodium urbi- 

 cum L. A dull green annual, scarcely mealy, 

 30-90 cm. high; leaves triangular, or narrowed 

 at the base coarsely toothed, the larger, 6-10, 

 cm. long; spikes erect, crowded in a long panicle. 

 Naturalized from Europe. Not abundant. 

 Waste grounds. Lansing, Ionia, Flint, Grand 

 Rapids, Ann Arbor. 



Fig. 55 (52). 



Winged Pigweed. Cycloloma atriplicifol- 

 ium (Spreng.) Coulter. A densely bushy- 

 branched, pale green annual becoming purple, 

 a tumbleweed, 10-40 cm. high; leaves petioled, 

 blades lanceolate, sinuate-toothed, 2-6 cm. 

 long; panicles loosely flowered. Occasional, 

 coming from the west. Lansing, Port Huron, 

 Manistee, Keweenaw County. May be expected 

 wherever Russian thistles grow, as both follow 

 railways, ballast of ships, and both are tumble- 

 weeds. 



