274 FLORA OF PHILADELPHIA. 



2. Triohostema lineare Nutt. M. p. 782. Sandy fields and dry pine- 

 barrens. Summer. 

 Philadelphia — On Sohuy-lkill (P.). Bucks — Bristol, E. Diffenbaugh 

 (Ft.). 



Burlington— Quaker Bridge (C). Camden— Camden (C). Gloucester 

 —Malaga (C), Westville (Wn.). Atlantic'— Egg Harbor (He.). Cum- 

 berland— Vineland (Ab.). Mercer — Lawrence Station (C). 

 New Castle— Opposite Riddle's Mill, Canby. 



4. SCUTELLARIA L. Skullcap. 



Nutlets wingless, very slightly elevated on the short gynobase. 



Flowers 6-10 mm. long, in axillary and sometimes terminal racemes. 



1. S. lateriflora. 

 Flowers 12-30 mm. long, , in terminal, often, panicled, racemes. 

 . Plant glabrous or very nearly so ; leaves broad. 2. S. serrata. 

 Plants pubescent, puberulent or pilose. 



Leaves, all except the floral, crenate or dentate, broad. 

 Canescent, not glandular ; corolla eanescent. 



3. S. incfina. 

 Densely glandular-pubescent; corolla puberulent. 



4. S, cordifolia. 

 Pubescent below, glandular above; corolla nearly gla- 

 brous. , 5. S. pilosa. 



Leaves, all except the lowest, entire, narrow. 6. S. mtegrifolia. 

 Flowers solitary in the axils, or sometimes also in terminal bracted 

 racemes. 

 Flowers 4-8 mm. long. 7. S. parvula. 



Flowers 16-26 mm. long. 



Leaves ovate, slender-petioled, cordate, obtuse. 



' ' . • i ' ; ' r ■ 8. S. saxatilis. 



Leaves lanceolate or ovate-lanceolate, nearly sessile, acute. 



9. S. galericulata. 

 Nutlets membranous-winged, elevated on the slender gynobase; flowers axil- 

 lary. 10. 8. nervosa. 



1. Scutellaria lateriflora L. Mad-dog Skullcap. M. p. 783. Wet places. 



Summer. , , , , 



2. Scutellaria serrata Andr. M. p. 783. Woods, .Early summer. 



Montgomery— Ivy Rock (Wn.). Delaware— Upper Darby, Dr. Geo. 

 Smith (Fu.), Tinieum (Le.), Wawa (Le.) (Mac), Swarthmore (Pr.) 

 (Ws.),' Chester (W. Tr.), Wallingford (Wn.). Lancaster— York Fur- 

 nace (Or.). ,, -. 



3. Scutellaria incana Muhl. M. p. 784. Moist woods and thickets. . 



Summer. ....;.; 



Montgomery— Bryn Mawr (Gi.). Delaware— Lansdowne (Pe.), Valley 

 of Darby Creek (B. Sm.). Lancaster— Peach Bottom (Pr.). 



4. Scutellaria cordifolia Muhl. M. p. 784. Woods and thickets. Sum- 



mer. 

 Lancaster — (P.) . Dauphin — (P.) . 



5. Scutellaria pilosa Mi,chx. M. p. 784. Dry or sterile ground. Summer. 



6. Scutellaria integrifolia L. Hyssop Skullcap. M. p. 784. Fields, 



woods and thickets. Summer. • '■ >.< 



7. Scutellaria parvula Michx. M. p. 784. Moist; sandy soil. Spring and 



summer. 



