190 BOTANY OF MICHIGAN 



CARYOPHYLLACEAE. Pink Family 



Arenaria serpyllifolia L. Thyme-leaved sandwort. Common as a 

 weed in dry poor ground about villages, along roads and in cultivated 

 grounds. 



Stellaria longifolia Muhl. Long-leaved stitehwort. Common in damp 

 and marshy places, especially in the vicinity of the small lakes. 



Stellaria graminea L. Lesser stitehwort. Grassy places in cemeteries 

 and villages. Frequent. 



Stellaria media (L.) C. Trill. Common chickweed. A common weed 

 in gardens, fields and open woods. 



Cer ostium vulgatum L. Common mouse-ear chickweed. Common as 

 a weed in gardens, fields and open woods. 



Agrostemma githago L. Cockle. Com cockle. Noticed as a frequent 

 weed in wheat fields and waste places. 



Lychnis coronaria (L.) Desr. Mullein pink. " Escaped from culti- 

 vation around cemeteries and houses in a few places.' C. A. Davis. 



Lychnis alba Mill White campian. Becoming a common weed in 

 cultivated grounds. 



Silene antirrhina L. Sleepy catchfly. Frequent throughout in dry 

 sandy ground. 



Silene noctiflora L. Night-flowering catchfly. Noticed as occasional 

 along roads, in waste places, and about farm buildings. 



Saponaria officinalis L. Bouncing Bet. Soapwort. Occasional as a 

 weed along roads and in dry sandy places. Fast spreading. 



Saponaria vaccaria L. Cow-herb. A recent weed appearing along 

 railroads and in waste places of cities and villages. Frequent. 



Dianthus armeria L. Deptford pink. Noticed along the road north 

 of Mayville. 



PORTULACACEAE. Purslane Family 



Claytonia virginica L. Spring beauty. Common in damp rich woods. 

 Portulaca oleracea L. Common purslane. A common weed in gar- 

 dens, fields, and waste places. 



NYMPHAEACEAE. Water Lily Family 



Nymphaea advena Ait. Yellow pond lily. Cow lily. Common in 

 still and stagnant water, especially about ponds and the small lakes. 



Castalia tuberosa (Paine) Greene. White water lily. Frequent 

 throughout in ponds, coves and margins of small lakes. 



Brasenia schreberi Smel. Water slime. Ponds, coves, small lakes 

 and sluggish streams. Frequent. 



