542 LAMIACEAE 



Leaves pinnatifid or deeply incised. 6. L. americanus. 



Leaves coarsely dentate. 7. L. europaeus. 



i. L. virginicus L. In moist soil: N. H. to Ala., Neb. and Kan. 

 Conn. Not uncommon near the coast, decreasing inland, and 



perhaps wanting in the north. 

 N. Y. On L. I. and S. I., and up the Hudson Valley to Ulster Co., 



not definitely known from the higher elevations of the Catskills. 

 N. J. Common in the north, decreasing southward; rare in the 



pine-barrens and unknown at Cape May. 

 Pa. Throughout the area. 



Tertiary, rather uncommon: Cretaceous, common: Older Forma- 

 tions, apparently increasing westward. 118-220 days. Sea level- 

 2,900 ft. 



2. L. uniflorus Michx. (L. communis Bicknell). In moist soil: 



Newf. to Br. Col., Va., Neb. and Ore. 

 Throughout the range, except in the pine-barrens, there unknown. 



3. L. membranaceus Bicknell. In wet woods: Me. to N. Y. and 



Mich. 



Conn. Known only from northern Windham Co. 



N. Y. Ulster, Greene, Delaware and Sullivan counties. 



N. J. Northern Passaic Co., very rare. 



Pa. Raymond's Kill, Pike Co. 



Tertiary, 0: Cretaceous, o: Older Formations, rare and local 

 northward. Not south of the moraine. 118-141 days. 878- 

 4,020 ft. 



4. L. sessilifolius A. Gray. In wet soil: E. Mass. to Fla. 



Conn. Very rare along the coast, unknown elsewhere. 



N. Y. On L. I. and S. I., unknown elsewhere. 



N. J. Common on the coastal plain, wanting elsewhere. 



Tertiary, common: Cretaceous, common: Older Formations, 

 rare and scattered. 189-220 days. About sea level. 



5. L. rubellus Moench. In wet soil: Vt. to Fla., Ohio, Ark. and 



La. 



Conn. Groton, New London, Southington and Huntington. 



N. Y. L. I., S. I. and northern Manhattan. 



N. J. Camden and Cape May counties. 



6. L. americanus Muhl. In wet soil: Newf. to B. Col., Fla., 



Tex., Utah and Cal. 



Common everywhere, except the pine-barrens, there wanting. 



