274 FLORA OF PHILADELPHIA. 



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

 barrens. Summer. 

 Philadelphia — On Schuylkill (P.). Bucks — Bristol, E. Di-ffenbaugh 

 (Fr.). 



BuWiri^toM— Quaker Bridge (C). Crtrntien— Camden (C). Gloucester 

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

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

 New Castie— Opposite Eiddle'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, 

 (lanescent, not glandular; corolla canescent. 



3. S. incana. 

 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. integrifolia. 

 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. 



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. S. 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.). I}eio^{;are— Upper Darby, Br. Geo. 

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

 (Ws.), Chester (W. Tr.), Wallingford (Wn.). Lancaster— Yot\ Fur- 

 nace (Cr.). 



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



Summer. 

 Montgomery— Bryn. Mawr (Gi.). Detowore— 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 Michx. 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. .i 



