LABIATAE 



Collinsonia canadensis L Horsebalm. 



Rich woods. 

 Cunila origanoides (L.) Britt Maryland stonemint. 



Frequent on dry hillsides. 

 Glechoma hederacea L Gill-over-the-ground. 



Frequent, often forming a dense ground cover. 

 Hedeoma pulegioides (L.) Pers American false-pennyroyal. 



Woods, fields, and roadsides. 

 Lamium amplexicaule L Henbit. 



Common in disturbed soil. 

 Lamium purpureum L Purple deadnettle. 



Waste places, occasional. 

 Lycopus virginicus L Virginia bugleweed. 



Frequent in wet or moist soil. 



Mentha arvensis var. villosa (Benth.) S. R. Stewart {M. canadensis 

 L.) Mint. 



Occasional in moist soil. 

 Mentha spicata L Spearmint. 



Vicinity of old dwelling sites. 

 Monarda punctata L Spotted beebalm. 



Sandy soil in location 36. 



Perilla frutescens var. crispa (Benth.) Deane (P. frutescens of the 1919 

 "Flora of the District of Columbia.") Perilla. 



Southwest corner of the grounds near Bladensburg Road, location 2. 

 Prunella vulgaris L Selfheal. 



Common everywhere. 

 Pycnanthemum flexuosum (Walt.) B.S.P Mountain-mint. 



Frequent in woods and meadows. 

 Pycnanthemum incanum (L.) Michx. 



Rare, found in northeast corner of grounds, location 54. 

 Salvia lyrata L Lyre-leaved sage. 



Common in open ground and thin woods. 

 Satureja vulgaris var. neogaea Fern. (Clinopodium vulgare L.) .Wild basil. 



Woods and thickets. 

 Scutellaria elliptica Muhl. (S. ovalifolia Pers.) Hairy skullcap. 



Frequent in woods. 



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