572 PROCEEDINGS OF THE ACADEMY OF [Oct., 



*169. Phlox subulata L. 



Locally abundant on dry open barren. 



Delaware. — Fawkes Run; Preston Run (S. S. Van Pelt); Bear 

 Hill; Mineral Hill; Middlet on Barrens. 



Chester. — Sugartown Barrens; Serpentine Ridge; West Chester; 

 Sconnelltown ; Brinton's Quarry ; Unionville. 



— Nottingham Barrens. 



Lancaster. — Fulton Township (J. J. Carter). 



*170. Scutellaria parvula ambigua (Nutt.) Fernald 



Scarce, on dry open barren. 



Delaware. — "Serpentine on West Chester Road" (Dr. Geo. Smith; 

 "Del. Co." (C. E. Smith). 

 Chester. — West Chester. 

 Lancaster. — Fulton Township (J. J. Carter) 



1171. Prunella vulgaris I.. 



Occasional on dry open barren, or edges of woodland. 

 Dela ware. — Wawa. 

 Chester.— Cedar Barrens. 



172. Koellia flexuosa (Walt.) MacM. 



Common on dry open barren, depressions and desiccated soil. 



Delaware. — Fawkes Run; Preston Run; Bear Hill; Blue Hill; 

 .Mineral Hill ; Middletown Barrens; Williamson. 



Chester. — Sugartown Barrens; Cedar Barrens; West Chester; 

 Sconnelltown ; Brinton's Quarry; Unionville. 



— Nottingham Barrens. 



173. Dasystoma pedicularia (L.) Benth. 



Occasional in dry woodland. 

 Delaware. — Fawkes Run; Mineral Hill. 

 Chester . — Unionville. 



*174. Gerardia purpurea parvula, subsp. now 



Stem 1-6 dm. tall, minutely scabrous above, sparingly branched. 

 Branches spreading. Leaves linear, scabrous above, those of the 

 stem 1-3 cm. long, 1-2 mm. broad, mostly with small clusters in their 

 axils. Pedicels 3-4 mm. long. Calyx-tube campanulate, 3 mm. 

 high, its lobes narrowly lanceolate, 1-1.2 mm. long. Corolla pale 

 rose-purple, about 20 mm. long. Capsule globose, 4-5 mm. in diameter. 



Differs from Gerardia purpurea L. of the Atlantic Coastal Plain in 

 its smaller size, smaller and paler corollas, and smaller capsules. 



