42 BOTANY OF MICHIGAN 



Saponaria officinalis L. Bouncing bet. In sandy open ground from 

 Bay County to Mackinaw City. Frequent and often plentiful. 



Gypsophila muralis L. Low gypsophyll. Well established in an old 

 field at Misery Bay near Alpena. Plentiful. 



Gypsophila elegans Bieb. Elegant gypsophila. Apparently a perma- 

 nent escape from cultivation in and about the village of Mackinac 

 Island, Mackinac County. Plentiful. 



PORTULACACEAE. Purslane Family 



Claytonia virginica L. Spring beauty. Rich shaded ground from 

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



Claytonia caroliniana Michx. Carolina spring beauty. In slightly 

 shaded ground on Mackinac Island, and Bois Blanc Island, Mackinac 

 County. Plentiful. Not noticed farther south. 



Portulaca oleracea L. Common purslane. Occasional as a weed in 

 cities, villages, cultivated grounds and waste places. 



NYMPHAEACEAE. Water Lily Family 



Xymphaea advena Ait. Yellow water lily. More or less frequent in 

 small lakes, ponds and coves of streams from Bay County to St Ignace, 

 Mackinac County. 



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

 lily. Ponds, small lakes, borders of slow streams and coves from Alpena 

 to St. Ignace, Mackinac County. Plentiful. 



Castalia tuberosa (Paine) Greene. White water lily. In small lakes, 

 ponds, and coves of streams from Bay Count}' to St. Ignace, Mackinac 

 County. Plentiful. 



Brasenia shreberi Gmel. Water shield. In shallow water of small 

 lakes and coves of streams from Bay County to Mackinaw City, Cheboy- 

 gan county. Plentiful. 



RANUNCULACEAE. Crowfoot Family 



Ranunculus circinatus Sibth. Stiff water crowfoot. In shallow stag- 

 nant water from Bay County to St. Ignace, Mackinac County. Often 

 abundant. 



Ranunculus delphinifolius Torr. Yellow water crowfoot. In ponds, 

 ditches and stagnant water from Bay County to St. Ignace, Mackinac 

 County. Often abundant. 



Ranunculus flammula filijormis (Michx.) Hook. Smaller creeping 

 spearwort. Near life saving station above Rogers on the low sandy 

 beach of Lake Huron. Probably frequent on sandy and gravelly shores 

 throughout but overlooked. 



Ranunculus sceleratus L. Cursed crowfoot. In very wet open places 



