276 FLORA OF PHILADELPHIA. 



€amden— Banks of Delaware (C). Monmouth— Freehold (C.)- 

 New Castle— BTandywine, Red Clay Creek, J. Mason 's. Scarce. 



7. NEPETA L. 

 1. Nepeta Cataria L. Catnip. M. p. 787. Waste places. Summer. 



8. GLECHOMA L. 



L Glechoma hederacea L. Ground Ivy, Gill-over-the-ground. M. p. 787. 

 Damp, shady places. Spring. 



9. PRUNELLA L. 



1, Prunella vulgaris L. Self-heal, Heal-all. M. p. 788. Woods and 

 fields. Spring to late fall. 



10. PHYSOSTEGIA Benth. 

 1. Physostegia Virginiana (L.) Benth. False Dragon-head. M. p. 788. 

 Wet ground; also escaped. Summer. 

 Lancaster— York Furnace, Susquehanna islands opposite Turkey Hill 

 (Le.). Dauphin— CP.). 



11. GALEOPSIS L. 

 1. Galeopsis Tetrahit L. Hemp-nettle. M. p. 790. Waste places. Sum- 

 mer. 

 Philadelphia— Greenv/ich. Point (Te.). Delaware— Chester, Dr. Jesse 

 Young. 



Camden — Kaighn's Point (Wn.). 



12. LEONURUS L. Motherwort. 



Lower leaves palmately 2-5-cleft, the upper 3-cleft. 1. L. Cardiaca. 

 Leaves coarsely dentate or incised-dentate. 2. L. Marrubiastrum. 



1. Leonurus Cardiaca L. M. p. 790. Waste places. Summer. 



2. Leonurus Marrubiastrum L. M. p. 790. Waste places. Summer. 



Philadelphia— (P.). Delaware— Concord (W. Tr.), Castle Rock (VP.), 

 Chad's Ford (Wn.). Chester- (P.). 



New Castle— Granogne, Canhy. Now common. 



13. LAMIUM L. Dead-nettle. 



Upper leaves sessile or clasping. 1. L. amplexicaule. 



Leaves all petioled. 



Flowers red or purple. 



Corolla 12-18 mm. long; leaves not blotched. 2. L. purpureum. 

 Corolla 20-25 mm. long; leaves commonly blotched. 



3. L. maculatum. 

 Flowers white. 4. L. album. 



1. Lamium amplexicaule L. Henbit. M. p. 791. Waste places and culti- 



vated ground. Early spring to late fall. 



2. Lamium purpureum L. M. p. 791. Waste and cultivated soil. Spring 



to fall. 

 Philadelphia — PhiladelTphia Salt Works, 7. Burk (He.), Wissahickon 

 (Je.), Germantown (Me.), Woodlands Cemetery (Te.), below Park Nur- 



