98 BOTANY OF MICHIGAN 



Stellaria longipes laeta (Richards) Wats. Beach stitchwort. In 

 drifting sand on the sandy beach of. Lake Michigan in the western part 

 of Mackinac County. Abundant. Plant low; flowers small, white. 



Stellaria longifolia Muhl. (Alsine longi folia (Muhl.) Britton). Long- 

 leaved stitchwort. Damp grassy open places. Frequent. 



Stellaria graminea L.' (Alsine graminea (L.) Britton). Lesser stitch- 

 wort. Covering sides and crests of sand dunes near Lake Michigan shore 

 east of Manistique. Abundant. 



Stellaria media (L.) Cjoill. (Alsine media L.). Common chickweed. 

 A weed in gardens and waste places. Often abundant. 



Cerastium vutoatum L. Larger mouse-ear chickweed. A common 

 weed in cities, villages and cultivated grounds. 



Agrostemma githago L. Cockle. Corn cockle. Frequent in grain 

 fields and waste places. 



Lychnis coronaria (L.) Desr. Mullein pink. Occasional on dryish 

 open ground. 



Lychnis alba Mill. White campion. Becoming common in cities and 

 villages and often as a weed in cultivated fields. 



Silene antirrhina L. Sleepy catchfly. Dryish open woods or in open 

 sandy ground. Frequent. 



Silene noctiflora L. Night-flowering catchfly. Noticed only as a weed 

 in cultivated groimds. Apparently infrequent. 



Silene latifolia (Mill.) Britten & Rendle. Bladder campion. In wates 

 places, along railroads and in cultivated grounds. Frequent. 



Saponaria officinalis L. Soap wort. Bouncing bet. Dry open sandy 

 places, especially in and near cities and villages. Frequent. 



Saponaria vaccaria L. (Vaccaria vaccaria (L.) Britton). Cow-herb. 

 In and near cities and villages and along railroads. Infrequent. 



PORTULACACEAE. Purslane Family 



Claytonia caroliniana Michx. Carolina spring beauty. In rich shaded 

 ground. Frequent. W. T. S. Cornell. 



Portulaca oleracea L. Common purslane. Occasional in dry sandy 

 cultivated grounds as a weed. 



NYMPHAEACEAE. Water Lily Family 



Nymphaea advena Ait. In still and stagnant water throughout. 

 Often abundant. 



Castalia odorata (Ait.) Woodville & Wood. Sweet-scented white 

 water lily. Ponds, coves, borders of small lakes, and on margins of slow 

 streams. Noticed in particular in the Tahquamenon River and Muskal- 

 longe Lake in Luce County. 



Castalia tuberosa (Paine) Greene. Ponds, small lakes and borders of 

 streams. Frequent. 



