154 BOTANY OF MICHIGAN 



BALSAMINACEAE. Touch-me-not Family 



Impatiens biflora Walt. Spotted touch-me-not. Moist open or shaded 

 ground throughout. Abundant. 



RHAMNACEAE. Buckthorn Family 



Rhamnus alnifolia L'Her. Alder-leaved buckthorn. Open damp or 

 slightly shaded ground throughout. Often plentiful. 



TILIACEAE. Linden Family 



Tilia americana L. Basswood. Often with beech, birch, and maple. 

 Trees sometimes large. Frequent throughout. 



MALVACEAE. Mallow Family 



Malva rotundifolia L. Common mallow. A weed about dwellings and 

 in villages. Not abundant. 



Malva moschata L. Musk mallow. In fields and along roads about 

 Brimley, Sault Ste. Marie, and south to Detour. 



HYPERICACEAE. St. John's-wort Family 



Hypericum perforatum L. Common St. John's-wort. An occasional 

 weed on farms and in villages. 



Hypericum punctatum Lam. Spotted St. John's-wort. In woods and 

 thickets near Brimley. Not noticed elsewhere. 



Hypericum kalmianum L. Kami's St. John's-wort. Sandy open 

 ground, usually near shores. Frequent. 



Hypericum ellipticum Hook. Pale St. John's-wort. Abundant along 

 Shelldrake River south of Vermilion. Noticed throughout. 



Hypericum, boreale (Britton) Bicknell. Northern St. John's-wort. 

 Wet open places throughout. Abundant near Vermilion. 



Hypericum majus (Cray) Britton. Large Canadian St. John's-wort. 

 Damp sand near lighthouse at Whitefish Point. Plentiful at this place. 



Hypericum canadense L. Canadian St. John's-wort. In damp open 

 sandy ground near Eckerman. Plentiful at this place. 



Hypericum virginicum L. Marsh St. John's-wort. Open wet and 

 swampy ground throughout. Frequent. 



CISTACEAE. Rockrose Family 



Helianthemum canadense (L.?) Michx. Long-branched frostweed. 

 Sandy open ground throughout. Plentiful. 



Hudsonia tomentosa intermedia Peck. Awl-leaved hudsonia. Common 

 on the sandy beach of Lake Superior and on sand dunes at Whitefish 

 Point and Vermilion. 



