PLANTS OF ONONDAGA COUNTY 131 



H. Kalmianum— Lin., 1753. Kalm's St. Johnswort. 

 Rare. Near Phoenix R. R., Aug., 1889. 



H. ELLIPTICUM— Hook, 1830. Pale St. Johnswort. 



Frequent. Swamps and along streams. Shackleton's 

 Point, Oneida Lake, 1895. 



H. PERFORATUM — Lin., 1753. Common St. Johnswort. 

 Common. Fields and waste places. Becomes a perni- 

 cious weed. Pellucid dots. 1st ward, Syracuse. 



H. MACULATUM— Walt., 1788. Spotted St. Johnswort. 



Frequent. Has both black and pellucid dots. Moist 

 grounds. Banks Onon. Creek, Castle St., July, 1908. 



H. CORYMBOSUM— Muhl, 1803. Striped St. Johnswort. 

 Frequent. Moist soil. Has dark stripes and dots. 

 West Solvay, July, 1908. 



H. MUTILUM. Small-flowered St. Johnswort. 



Frequent. Low grounds. Messina Springs, Aug., 1892. 



H. Canadense — Lin., 1753. Canadian St. Johnswort. 



Frequent. Cool, moist soil. Field and garden, Onon. 

 Hill, J. Knapp's, 1908. 



SAROTHRA— L., 1753. 



S. GENTIANOIDES — Lin., 1753. (Hypericum nudicaule — 

 Walt, 1788.) Pine Weed. 

 Occasional. Sandy soil. Liverpool, July, 1908. 



TRIADENUM— Raf, 1808. 



T. VIRGINICUM — Raf, 1836. (Elodea campanulata — Pursh, 

 18H.) Marsh St. Johnswort. 

 Common. Swamps and moist fields. Manlius, Aug., 

 1899. 



ELATINACE/E— Lindl, 1 836— Waterwort Fam. 



ELATINE. 



E. Americana — Arn., 1830. Mud-purslane. 



Frequent. Margins of ponds, etc. Pleasant Beach, 

 Onon. Lake. 



