53 



Order 60.— LABIATE. 77. 



1. Teucrium, L. 



Canadense, L. (Germander.) 



Alluvial meadows near Wilmington, where it is trou- 

 blesome on account of its extensive rhizomas. 

 July. 



2. Trichostema, L. 



dichotomum, L. (Blue Curls.) 

 Sandy fields. Frequent. Aug. 



3. Mentha, L, 



viridis, L. (Spearmint.) 



Moist grounds. Frequent. July, 

 piperita, L. (Peppermint.) 



Wet places; W. Lea's. Not common. Aug. 

 Canadensis, L. (Wild Mint.) 



Moist ground; race banks. Frequent. Aug. 



4. Lycopus, L. 



Virginicus, L. (Bugle-weed.) 



Shaded wet places. Common. July. 



Europaeus, £., var. Sinuatus. Gr. 

 Low grounds. Frequent. July. 



5. Cunila, L. 



Mariana, L. (Dittany.) 



Dry hilly woodlands. Frequent. July. 



6. Pycnanthemum, Miehx. 



incanum, Michx. (Mountain Mint.) 



Rocky woods; Brandy wine, &c. Frequent. Aug. 

 muticum, Pers. (Indian Mint.) 



Hilly woods; Brandywine, &c. Frequent. Aug. 

 lanceolatum, Pursh. 



Dry thickets, old fields, &c. Common. Aug. 

 linifolium, Pursh. (Virginia Thyme.) 



Borders of thickets. Frequent. July. 



7. Origanum, L. 



vulgare, L. (Wild Marjoram.) 



Sandy roadsides; New Castle road. Frequent. July. 



8. Calamintha, Mcench. (Clinopodium, L.) 



Clinopodium, Benth. (Basil.) 



Dry sandy banks and fields. Frequent. July. 



