LABI AT AE. 277 



series (VP.). Delaware— Uidlej (Fu.), Marple (Fu.) (B. Sm.), Darby 

 (Ja.). Chester— Goshen {W. Tt.). Lancaster— (P.). 



Camden— Kaighn's Point (Ja.) (Wn.). 



New Castle— Wawaset Nurseries. 



3. Lamium maculatum L. M. p. 791. Roadsides; escaped from cultiva- 



tion. Spring to fall. 

 Philadelphia— Haddington (Ws.). Bucks— {F.). Delaware— Wa.yva 

 (Ke.), Lansdowne (Pe.), Darby Creek above West Chester Pike (VP.). 

 Ze/ii^r^— Coplay (Kr.). Northampton— (F.) . 



4. Lamium album L. M. p. 791. Waste places. Spring to fall. 



Man tgom ery — Shannonville ( Cr.) . 

 CamdeJi— Kaighn's Point. 



14. BALLOTA L. 

 1. Ballota nigra L. Black Horehound. M. p. 791. Waste places. Sum- 

 mer. 

 PfetiadeZp/iia — Philadelphia Salt Works, 7. Burk (He.), Greenwich 

 Point, Girard Point (Te.). 



Camden— Kaighn's Point (Ja.) (Wn.). 



15. STACHYS L. Hedge-nettle. 



Leaves narrowed at the base, linear to lanceolate or oblong. 

 Stem glabrous; leaves entire or nearly so. 



Leaves linear, 2-5 mm. wide. 1. S. hyssopifolia. 



Leaves oblong to linear-oblong, 4-10 mm. wide. 2. S. Atlantica. 

 Stem retrorsely hirsute; leaves serrate. 3. S. ambigua. 



Leaves cordate or truncate at the base, lanceolate to ovate. 



Stem glabrous or nearly so. 4. S. tenuifolia. "■ 



Stem hirsute. 



Leaves all very short-petioled, lanceolate to oblong. 



5. S. palustris. 

 Leaves, at least the lower, slender-petioled. 



Leaves lanceolate or ovate, acute or acuminate. 



Plant dark green ; leaves firm ; petioles 6-36 mm. long. 



6. S. aspera. 

 Plant Ught green ; leaves membranous ; petioles 1-5 cm. 



long. 7. S. cordata. 



Leaves ovate, obtuse ; diffuse annual. 8. S. arvensis. 



1. Stachys hyssopifolia Michx. M. p. 792. Fields and thickets. Sum- 



mer. 



SmcAs— Bristol, Mart. (B. C). 



Burlington— Femherion, Medford (C), Moorestown (Sts.). Camden- 

 Camden (C). Gloucester— yisXaga, Dr. J. B. Brinton (He.). Middlesex 

 — Monmouth Junction (C), Jamesburg (Wn.). 



Neiv Castle — Batten's, Ogletown, etc. Frequent. 



2. Stachys Atlantica Britton. M. p. 792. Marshy ground. Summer. 



Bucks— (F.). 



3. Stachys ambigua (A. Gray) Britton. M. p. 792. Moist soil. Summer. 



BmcAts— Bristol (P.). 



4. Stachys tenuifolia Willd. M. p. 792. Moist fields and thickets. 



Summer. 

 jBwc^i-s— Bristol (P.). 



