SHORE OF LAKE HURON 41 



Salsola kali tenuifolia G. F. W. Mey. Russian thistle. A weed 

 throughout. Not frequent or troublesome. 



AMARANTHACEAE. Amaranth Family 



Amaranthus retroflexus L. Amaranth pigweed. Noticed as a weed 

 throughout in cultivated grounds. Frequent. 



Amaranthus graecizans L. Tumble-weed. In cultivated ground- 

 throughout. Plentiful. 



Amaranthus blitoides Wats. Prostrate amaranth. A weed about 

 cities and villages and in cultivated grounds. Plentiful throughout. 



AIZOACEAE. Carpet-weed Family 



Mollugo verticillata L. Carpet-weed. In open sandy ground from 

 Bay County to St. Ignace, Mackinac County. Occasional. 



CARYOPHYLLACEAE. Pink Family 



Spergula arvensis L. Corn spurry. Sandy open ground. Occasional 

 throughout, in and near cities and villages. 



Arenaria serpyllofolia L. Thyme-leaved sandwort. Dry, sandy, open 

 ground. As a weed throughout. Plentiful. 



Stellar ia longifolia Muhl. Long-stalked stitchwort. In marshy, open 

 ground from Bay County to Mackinaw City. Frequent. 



Stellaria graminea L. Lesser stitchwort. Grassy open ground near 

 Pinconning, Bay County. Plentiful at this place. 



Stellaria 'media (L.) Cyrill. Common chickweed. Noticed as a weed 

 in cities, villages and cultivated grounds. Often plentiful. 



Cerastium arvense L. Field chickweed. Mackinac Island, Mackinac 

 County. In dryish open ground. Abundant in one place. Not noticed 

 elsewhere. 



Cerastium vulgatum L. Common mouse-ear chickweed. Occasional 

 in clamp or dryish open ground. As a weed in cities, villages and culti- 

 vated grounds. Plentiful. 



Agrostemma githago L. Common cockle. Occasional about cities and 

 villages and in waste grounds. 



Lychnis alba Mill. White campion. Dry fields and cultivated 

 grounds, and about cities and villages. Frequent. 



Silene antirrhina L. Sleepy catchfly. In dry and sandy open ground 

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



Silene noctiflora L. Night-flowering catchfly. About cities and vil- 

 lages, and in waste places as a weed. Frequent. 



Silene latifolia (Mill.) Britten & Rendle. Bladder campion. As a 

 weed in waste places of cities and villages. Occasional throughout. 



