MICHIGAN ACADEMY OF SCIENCE. 
173 
100. Rumex erispus, Liu. Curled Dock. 
Fields. Common. 
The root under the name of Yellow Dock is a commercial article 
and was official as Rumex. it is used as an alterative and tonic 
in treatment of skin diseases. 
101. Rumex obtusifolius, Lin. Dock. 
Fields. Common. 
102. Polygonum avieulare, Lin. Knot Grass. 
Waste places. Common. 
163. Polygonum Convolvulus. Lin. Bindweed. 
Waste places. Common. 
101. Polygonum Persicaria, Lin. Lady's Thumb. 
Waste places. Common. 
105. Polygonum tenue, Mx. Sterile grounds. Frequent. 
Order XY. Chenopodiales. 
Family 28. Blitaceae. 
100. Chenopodium hybridum, Lin. Goosefoot. 
Waste places. Common. 
107. Salsola Kali, Lin. Yar., tenuifolia, G. F. AY. Mever. Russian 
Thistle. 
Waste places. Common. 
Family 29. Amaranthaceae. 
108. Amaranthus graecizans, Lin. Tumble AA'eed. 
AVaste grounds. Common. 
Order XYI. Caryophyllales. 
Family 30. Alsinaceae. 
109. Silene antirrhina, Lin. Catch fly. 
AAYiste grounds. Frequent. 
170. Silene dichotoma Ehrli. Catclifly. 
Fields. Rare. 
Xot mentioned in Beal’s Michigan Flora. 
171 . Silene noctiflora, Lin. Catchfiy. 
AAWste places. Frequent. 
172. Saponaria officinalis, Lin. Bouncing Bet. 
Waste places. Frequent. 
173. Stellaria media (Lin.) Cyr. Chick weed. 
AYaste places. Common. 
A commercial drug. Used mostly as a poultice. 
174. Cerastium vulgatum, Lin. Chickweed. 
Waste places. Frequent. 
175. Arenaria serpyllifolia, Lin. Sandwort. 
AYaste places. Common. 
170. Arenaria strict a, Mx. Sandwort. 
Sterile grounds. Rare. 
Family 31. Portulacaceae. 
177. Claytonia Aurginica, Lin. Spring Beauty. 
Open woods in moist situations. Common. 
Order XVII. Ranunculales. 
Family 32. Ranunculaceae. 
178. Caltha palustris, Lin. Cowslij). 
Swamps. Frequent. 
