AQUATICS 



I. Common White Water-crowfoot 



Ranunculus aqudtilis (var. trichophyllus). — Family^ Crow- 

 foot. Color, white. Leaves, soft, fine, much dissected, hair- 

 like, with a dilated stem. Time, June to August. 



Petals, 5. Sepals, 5. At the base of the petals a spot or 

 indentation may be found. Stems about i foot long. 



The leaves all float under water. On being taken from the 

 water their divisions fall together. 



A delicate, rather pretty plant found in shallow, slow waters. 



2. Yellow Water-crow^foot 



B. multffidus. — Family, Crowfoot. Color, bright yellow. 

 Leaves, immersed in water or floating on the top, cut into 

 thread-like divisions. Time, May to July. 



Petals, 5 to 8, much larger than the 5 sepals, with a small 

 scale at base. 



The achenes of this crowfoot are compressed into a roundish 

 head, each one tipped with a straight, pointed beak. The upper, 

 floating leaves are less divided than the lower, and the leaflets are 

 variously shaped, toothed, and lobed. This plant is a perennial, 

 and throws out roots from its joints. Often several feet long. 



Var. /i?rr/j'/rz'.y grows in mud. 



3 



Stiff Water-cromfoot {R. circiiidtus) has rigid, divided leaves, 



