532 PROCEEDINGS OF THE ACADEMY OF [Dec, 



fl48. Viola fimbriatula Sm. Add: 

 Chester.— Paoli; Marshallton (B. Long). 

 Newcastle. — Centerville. 



fl49. Kneiffia linearis (Michx.) Spach. Read: 



Local on dry open barren and banks. Our plant appears to have 

 capsules less densely and permanently pubescent than in the coastal 

 plant. In similar situations, less frequent than K. fruticosa, with 

 which to some extent it may intergrade. 



Delaware. — Preston Run (J. W. Harshberger) ; Mineral Hill; 

 Williamson; Wawa. 



Chester. — Serpentine Ridge; Cedar Barrens. 



— ■ Nottingham Barrens. 



150. Kneiffia fruticosa (L.) Raimann. Read: 



Common on dry open barren and banks. 



Delaware. — Mineral Hill; Williamson. 



Chester. — Paoli; Sugartown Barrens; Serpentine Ridge; Cedar 

 Barrens; West Chester; Union ville. 



Insert : 

 150a. Zizia aurea (L.) Koch. 

 Local in moist soil. 

 Chester. — Nottingham Barrens (B. Long). 



154. Azalea nudiflora L. Read: 

 Frequent on edges of woodland or thicket. 

 Delaware. — Mineral Hill; Wawa. 

 Chester. — Unionville. 

 — Nottingham Barrens. 



Insert : 

 154a. Azalea nudiflora glandifera Porter. 



Local on edges of woodland or thicket. Pubescence of corolla-tube 

 and capsule more or less glandular. 

 Delaware. — Williamson. 

 Chester. — West Chester. 



Insert : 

 158a. Vaccinium corymbosum L. 



Occasional on dry barren or edges of woodland. Leaves pubes- 

 cent on midrib and veins beneath. 

 Chester. — Paoli. 



