SCKOPHULARIACEAE. 291 



4'. Veronica officinalis L. Common Speedwell. M. p. 833. Dry fields 

 and open woods. Summer. 



5. Veronica serpyllifolia L. Thyme-leaved Speedwell: M. p. 833. Boad- 



sides and fields. Spring and summer. 



6. Veronica peeegrina L. Neckweed. M. p. 834. Waste and cultivated 



ground, in damp soil. Spring to fall. 



7. Veronica arvensis L. Corn Speedwell. M. p. 834. fields, woods and 



waste places, and cultivated soil. Spring and summer. 



8. Veronica agrestis L. M. p. 834. Fields and waste places. Summer. 



Philadelphia — Byberry, Mart. (B. C), Germantown (Me.), Falls of 

 Schuylkill (Pr.), Greenwich Point (Te.). Bucks— Bensalem, Mart. (P.). 

 Delaware— Haverford, T. C. Palmer (Fu.), Wayne (Ha.). Lancaster— 

 (P.). 



Camden— Ballast (C). Monmouth— Long Branch (C). 



9. Veronica Byzantina (Sibth. & Smith) B. S. P. M. p. 834. Waste 



ground. Summer. 



Philadelphia— Haxtiam 's Garden, Greenwich Point (Te.). Montgomery 

 — Chelten Hills (Pr.). Delaware— Near^ Media (Fu.), Tinicum Island, 

 Concord (W. Tr.). Lancaster— (P.). 



Camden— Kaighn 's Point (ja.). Salem— Woodstown (Wa.). 



New Castle— Tatnall and 19th streets, Febiger 's. Eare. 



10. Veronica hederaefolia L. Ivy-leaved Speedwell. M. p. 834. Shaded 



places. Spring to fall. 

 Philadelphia— Fairmount Park (VP.). Delaware— Swarthmore, Eose 

 Valley (He.). Chester— (P.). Lancaster— On Conestoga Creek (Br.). 

 Northampton — (P.)7 



15. LEPTANDBA Nutt. 

 1. Leptandra Virginica (L.) Nutt. Culver' s-root, Culver 's-phy sic. M. p. 

 834. Meadows, moist woods and thickets. Summer. 



16. BTJCHNEBA L. 

 1. Buchnera Americana L. Blue-hearts. M. p. 835. Moist, sandy 

 ground. Summer. 

 Dela ware— Williamson, Concord (Fu.), Middletown (W. Tr.). Lan- 

 caster — Pleasant Grove (Ca.), Little Britain Twp. (Pr.). 

 Burlington— Burlington (C). 



NewCastle — Guyancourt, Tatnall; Hand's, Tatnall; Harvey, Commons; 

 Townsend, Canty. 



17. DASYSTOMA Eaf. False Foxglove. 



Plants glandular-pubescent; corolla pubescent without; leaves finely divided; 

 annuals or biennials. 1. D. Pedicularia. 



Puberulent, cinereous or glabrous; corolla glabrous without; perennials. 



Cinereous-puberulent. 2. D. flava. 



Glabrous or very nearly so throughout. 3. D. Virginica. 



1. Dasystoma Pedicularia (L.) Benth. M. p. 836. Dry woods and 



thickets. Late summer. 



2. Dasystoma flava (L.) Wood. M. p. 836. Open woods. Summer. 



