292 FLORA OF PHILADELPHIA. 



3. Dasystoma Vir&inica (L.) Britton. M. p. 837. Dry or moist woodB. 

 Summer. 

 Philadelphia— Germantown (Me.). Bucks— Tullytown (Cr.), Hoot's 

 Mill (Fr.). Montgomery— Lafayette,, Militia Hill (VP.). Delaware— 

 Cheyney (Gi.), Valley of Darby Creek (B. Sm.), Concord (W. Tr.). 

 Chester— (P.) . Lehigh— Lehigh Mountain (Kr.). Northampton— Eas- 

 ton, Porter (B. C). 

 New Jersey— Frequent. 

 New Castle— Frequent. 



18. GEEAEDIA L. 



Flowers pedicelled; anthers all alike. •■ 



Pedicels in flower shorter than the calyx, or but 1-2 times as long. 

 Corolla 2-2.6 cm. long. 1. G. purpurea. 



Corolla 1-1.6 cm. long. 



Calyx-teeth triangular, subulate, acute. 2. G. paupercula. 



Calyx-teeth broad, short, obtuse. 3. G. maritime. 



Pedicels in flower 2-6 times as long as the calyx. 



Leaves linear, 2.5 mm. wide or less. 4. G. tenuifolia.' 



Leaves filiform-linear, less than 1 mm. wide. 5. G. Holmittna. 

 Leaves subulate-spatulate, short, nearly erect; capsule oblong. 



6. G. Skinneriana. 

 Flowers sessile; anthers of the shorter stamens smaller. 7.0. auriculata. 



1. Geeakdia purpurea L. M. p. 838. Moist fields and meadows. Autumn. 

 .2. Geeakdia paupercula (A. Gray) Britton. M. p, 838. Bogs and low, 

 meadows. Summer. 

 Bucks— Tullytown (P.). Montgomery— Frazier's Bog (VP.). Dela- 

 ware— Tinicum (B. Sm,) (P.). Northampton— (P.). 



3. Gerardia maritima Eaf. M. p. 838. Salt marshes along coast. Sum- 



mer. 

 New Jersey— Common'. 

 New Castle — Collins ' Beach, Commons. 



4. Gerardia tenuifolia Vahl. M. p. 838. Dry 1 woods and thickets. 



Autumn. 



5. Gerardia Holmiana Greene. M. p. 838. Dry, sandy woods. Autumn. 



Atlantic— Egg Harbor (VP.). 



6. Gerardia Skinneriana Wood. M p. 839. Sandy, low ground. Autumn. 



Lancaster— Wakefield (Ca.), New Texas (P.), 



Burlington— Woodmansie (Ja.). Atlantic— Egg Harbor (Cr.). 



7. Gerardia auriculata Michx. M. p. 839. Moist, open soil. Summer. 



Bucks — Plumstead, J. 8. Moyer (B. C), Hilltown, Bock Hill (Fr.). 

 Chester— (P.). 

 Middlesex — Woodbridge (C). 



19. CASTELLEJA Mutis. 



1. Castelleja coooinea (L.) Spreng. Scarlet Painted-cup. M. p. 839. 



Meadows and thickets. Early summer. 



Philadelphia — Along Schuylkillj Mart. (B. C^), Chestnut Hill (Je.), 



Germantown (Me.). Buclcs— Argus (Br.), Nockainixbn, near Quakeriown 



(Le.), Horscham (Mar.), Sellersrille (Be.), Bonair (8a.). Montgomery 



— Sumneytowri (VP.), TJhl's Mill (Wn.). Delaware— Williamson, Elwyn 



