40 BOTANY OF MICHIGAN 



from Bay County to St. Ignace, Mackinac County. Frequent. Often 

 abundant . 



Polygonum acre HBK. Water smartweed. Damp open ground and 

 along streams. Frequent throughout. 



Polygonum persicaria L. Lady's thumb. Damp places and in waste 

 grounds of cities and villages. Frequent throughout. 



Polygonum hydropiperoides Michx. Mild water pepper. Along low 

 banks of streams from Bay County to St. Ignace, Mackinac County. 

 Occasional throughout. 



Polygonum virginianum L. Virginia knot-weed. Rich shaded ground 

 in Bay and Arenac counties. Plentiful. 



Polygonum sagittatum L. Arrow-leaved tear-thumb. Damp open or 

 partially shaded places from Bay County to St. Ignace, Mackinac 

 Count}'. Frequent throughout. 



Polygonum convolvulus L. Black bindweed. Noticed as a weed in 

 cities, villages and cultivated grounds generally. Plentiful. 



Polygonum cilinode Michx. Fringed black bindweed. Dry open or 

 rocky ground from Bay County to St. Ignace, Mackinac County. 

 Plentiful throughout. 



Fagopyrum esculentum Moench. Buckwheat. Occasional about 

 cities and villages and in cultivated grounds. Probably not a permanent 

 escape. 



Polygonella articulata (L.) Meisn. Coast jointweed. Noticed in 

 sandy open ground from Bay County to Mackinaw City. Plentiful and 

 often abundant. Common on jack pine plains. 



CHENOPODIACEAE. Goosefoot Family 



Chenopodium botrys L. Jerusalem oak. In dry, sandy open ground 

 as a weed. Frequent and often plentiful throughout. 



Chenopodium capitatum (L.) Asch. Strawberry blite. Damp or 

 dryish open ground from Bay County to St. Ignace, Mackinac 

 County. Plentiful throughout. 



Chenopodium glaucum L. Oak-leaved goosefoot. As a weed in cities 

 and villages. Frequent throughout. 



Chenopodium hybridum L. Maple-leaved goosefoot. Dryish open or 

 partially shaded ground from Bay Count}' to St. Ignace, Mackinac 

 County. Plentiful. Often a weed in cultivated grounds. 



Chenopodium album L. Pigweed. Lamb's quarters. A common 

 weed in cities, villages and cultivated grounds. 



Atriplex patula hastata (L.) Gray. Halberd-leaved orache. Noticed 

 only as a weed in cities and villages. Frequent throughout. 



Atriplex patula littoralis (L.) Gray. Shore orache. On and near the 

 sandy beaches of Lake Huron. Occasional throughout. 



