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EQUISETACE^E. 



Equisetum arvense L. Common throughout the prov- 

 ince. The form campestre has been found at Puslinch 

 Lake, Wellington County, by the writer. 



Equisetum pratense Ehrl. Damp thickets. Rare. Re- 

 ported from Owen Sound, Grey County, and Sangeen 

 Bruce County, by Burgess ; shores of Lakes Superior and 

 Nipigon, by Macoun, and Cornwall, Stormont County, 

 by Campbell. 



Equisetum sylvaticum L. Damp woods and thickets. 

 Frequent throughout the province. 



Equisetum palustre L. Swamps and springy ground. 

 Rare. Reported from North Hastings County and Lake 

 Nipigon, Thunder Bay District, by Macoun, and White 

 Lake, Renfrew County, by Campbell. Found by the 

 writer in a swamp at Oliphant, Bruce County. 



Equisetum littorale Kuhl. Bogs. Rare. Reported 

 from Belleville, Hastings County, and Lake Nipigon, 

 Thunder Bay District, by Macoun. 



Equisetum Huviatile L. Margins of rivers and lakes 

 and in swamps. Common throughout the province. 



Equisetum hiemale L. Common throughout the prov- 

 ince. 



Equisetum variegatum Schleich. Sandy shores. Scarce. 

 Reported from Niagara Falls by Burgess ; shore of Lake 

 Ontario, near Brighton, Northumberland County, and 

 shore of Lake Nipigon, Thunder Bay District, by Ma- 

 coun; Gait, Waterloo County, by Herriot; Toronto by 

 Beadle ; and found on Flower Pot Island at the head of 

 the Bruce Peninsula, by the writer. 



Equisetum scirpoides Michx. Wet woods and cedar 

 swamps. Frequent throughout the province. 



LYCOPODIACEjE. 



Lycopodium selago. L. Exposed rocks. Very rare. Re- 

 ported from Otter Head, north of Lake Superior, by 



Macoun. 



