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UMBELLIFERJ2. 



SIUM ANQUSTIFOLIUM (Narrow-leaved Water Parsnep). 



15. SIUM (Water Parsnep). 



1. S. latifolium (Broad-leaved Water Parsnep). 

 Leaves pinnate ; leaflets narrow, oblong, pointed, equally 

 serrated ; umbels terminal ; bracts, both general and 

 partial ', narrow and pointed. Watery places ; not com- 

 mon. A stout plant, with a furrowed stem, 3 5 feet 

 high, pinnated leaves of 5 1 3 large and distant leaflets, 



