164 SIXTEENTH REPORT. 



shallow lakes and slow streams. Formerly very abundant in Sarnia Bay, 

 long su]:)plying the people of Sarnia and Port Huron with its exquisite flowers. 

 Brasenia schreberi Gmel. Water Shield. — Frequent in ponds, coves and 

 slow streams. Noticed in Sarnia Bay, at Port Franks, and in still water at 

 St. Clair Flats. 



Ranunculaceae. Crowfoot Family. 



Ranunculus circinatus Sibth. Stiff Water Crowfoot. — Frequent in ditches, 

 ponds, and slow streams. 



Ranunculus delphinifolius Torr. Yellow Water Crowfoot. — Common in 

 ditches, coves, pools, shallow ponds and edges of slow streams. The form 

 growing in the absence of water, C. delphinifolius terreatris (Gray) Farwell is 

 frequent. 



Ranunculus flammula reptans (L.) Mey. Creeping Spearwort. — Occa- 

 sional in damp sandy ground along the mouths of St. Clair River. Not 

 noticed elsewhere. 



Ranunculus rhomboideus Goldie. Prairie Crowfoot. Dwarf Buttercup. 

 — Frequent in open woods on dry and sandy ground. 



Ranunculus sceleratus L. Cursed Crowfoot. — Frequent in bogs, ditches, 

 and very wet places. 



Ranunculus abortivus L. Small-flowered Crowfoot. — Very common in 

 rich open woods and thickets. 



Ranunculus recurvatus Poir. Hooked Crowfoot. — Common in rich open 

 woods and thickets. 



Ranunculus fascicularis Muhl. Early Crowfoot. — Occasional in damp 

 ground on the delta islands of St. Clair River. 



Ranunculus septentrionalis Poir. Swamp Buttercup. — Common in damp 

 open woods and thickets, and in marshy places. 



Ranunculus repens L. Creeping Buttercup. — Frequent in yards, streets, 

 and waste places of cities and villages. 



Ranunculus pennsylvanicus L. f . Bristly Crowfoot.- — Frequent in wet and 

 marshy places. 



Ranunculus bulbosus L. Bulbous Crowfodt. — Occasional along railways, 

 Newton Tripp. 



Ranunculus acris L. Tall Crowfoot. — Becoming very common on road- 

 sides and a trou})lesome weed in moist meadows and pastures. 



Thalictrum dioicum L. Early Meadow Rue. — Very common in damp or 

 dryish ()):)en woods and thickets. 



Thalictrum dasycarpum Fisch. and Lall. Purplish Meadow Rue. — Very 

 connnon on margins of marshes and along streams. 



Hepatica triloba Chaix. Round-lol)ed Liver-leaf. — Common in rich open 

 woods and thickets. 



Hepatica acutiloba DC. Sharp-lobed Liver-leaf. — Frequent and usually 

 in damp rich woods and thickets. 



Anemone cylindrica (Jray. Long-fruited Anemone. — Common in jioor 

 and sandy ojx'u or shaded ground. 



Anemone virginiana L. Tall Anemone. — Frequent in damp ground, 

 meadows, and on shaded l)anks. 



Anemone canadensis L. Canada Anemone. — Common in tlamp places 

 and on shaded banks of streams. 



Anemone quinquefolia L. Wood Anemone. — Common in open woods and 

 thickets. 



