18 



12. Mollugo, L. 



verticillata, L. (Carpet- weeds.) 



Cultivated ground. Common. July. 



Order 16.— PORTULACACE.E. 22. 



1. PORTULACA, Toum. 



oleracea, L. (Purslane.) 



Gardens, &c. Common. July. 



2. Claytonia, L. 



Yirginica. L. (Spring Beauty.) 

 Low grounds. Common. April. 



Order 17.— MALVACEAE. 23. 



1. Malva, L. 



rotundifolia, L. (Mallows.) 



Gardens and fields; everywhere. May. 



moschata, L. (Musk Mallows.) 



Thicket near Jackson's quarries, apparently fully na- 

 turalized. July. 



sylvestris, L. (High Mallows.) 



Pastures; escaped from gardens. June. 



2. Sida, L. 



spinosa, L. 



Cultivated soil. Common. July. 



3. Abutilon, Toum. 



Avicennse, Goertn. (Velvet Leaf.) 

 Waste places. Common. July. 



4. Hibiscus, L. 



Moscheutos, L. 



Banks of ditches. Frequent. Aug. 

 Syriacus, L. (Althaea.) 



Naturalized about gardens. July. 

 Trionum, L. (Flower of an hour.) 



Cultivated ground. Common. July. 



Order 18.— TILIACE.E. 24. 



1. Tilia, L. 



Americana, L. (Linden.) 



Banks of streams; Brandy wine. Frequent. June. 



