MICHIGAN ACADEMY OF SCIENCE. 189 



Lycium halimifolium Mill. Matrimony Vine.- — Occasionally escaping from 

 cultivation to roadsides and into waste places. Noticed in particular at 

 Point Edward in sand. 



Hyoscyamus niger L. Black Henbane. — Occasional in sandy ground and 

 waste places. 



Datura stramonium L. Stramonium. — Frequent in waste places. Very 

 abundant in sand at Point Edward. 



Datura tatula L. Purple Thorn Apple. — Frequent in waste grounds. 

 Abundant in sandj' ground at Point Edward. More common than the pre- 

 ceding species. 



Scrophulariaceae. Figwort Family. 



Verbascum thapsus L. Common Mullein. — Common in dry ground. 

 Often a bad weed in fields and pastures. 



Verbascum blattaria L. ]\Ioth Mullein. — Occasional as a weed near 

 Forest. N. Tripp. 



Linaria vulgaris Hill. Butter and Eggs. — Common on roadsides and in 

 waste places. Often a field weed. 



Linaria minor (L.) Desf. Small Toadflax. — Abundant along railways, and 

 in depot grounds. Adventive. 



Scrophularia leporella Bicknell. Hare Figwort. — Frequent in open woods 

 and thickets. Occasionally found in open ground. 



Pentstemon hirsutus (L.) Willd. Hairy Beard-tongue. — Frequent in dry 

 and sandy open or slightly shaded ground. 



Pentstemon tubiflorus Nutt. Funnel-form Beard-tongue. — Inclined to 

 escape from cultivation and persist near Forest. Newton Tripp. 



Pentstemon laevigatus digitalis (Sweet) Gray. Foxglove Beard-tongue. — 

 Dry open ground. Frequent. 



Chelone glabra L. Turtlehead. — Frequent in damp ground on borders of 

 woods and thickets. 



Mimulus ringens L. Square-stemmed Monkej' Flower. — Common in 

 damp and wet places, especially in the bottoms of ditches and small creeks. 



Veronica virginica L. Culver's-root. — Frequent in damp rich ground. 

 Abundant on the delta islands of St. Clair River. 



Veronica anagallis-aquatica L. Water Speedwell. — Occasional in brooks 

 and ditches. N. Tripp. 



Veronica americana Schwein. American Brooklime.- — Occasional along 

 brooks, in ditches and damp open places. 



Veronica scutellata L. Marsh Speedwell. — Common in swamps and very 

 wet places. 



Veronica officinalis L. Common Speedwell. — Occasional in dry open 

 ground near Forest. Newton Tripp. 



Veronica chamaedrys L. Bird's-eye. — In pastures, open woods and ceme- 

 teries. Frequent. 



Veronica serpyllifolia L. Thyme-leaved Speedwell. — Very common in 

 damp grassy ground. Often a bad lawii weed. 



Veronica peregrina L. Purslane Speedwell. — Common in cultivated and 

 waste grounds. Often a garden weed. 



Veronica arvensis L. Corn Speedwell. — Frequent in cultivated gi'ounds, 

 waste places, open woods and thickets. 



Veronica tournefortii C. C. Gmel. Buxbaum's Speedwell. — Frequent in 

 cultivated grounds and waste places. Often a garden weed. 



