55 S PROCEEDINGS OP THE ACADEMY OP [Oct., 



J64. JUNCUS EFFUSUS L. 



Frequent in Serpentine swamps. 

 Delaware. — Williamson. 

 Chester. — West Chester. 



J65. Juncus tenuis Willd. 



Frequent along paths, etc., in border-woodland. 

 Delaware. — Williamson. 

 Chester. — Cedar Barrens. 



— Nottingham Barrens. 



|66. Juncus secundus Beam-. 



Abundant on diy open barrens. 



Delaware. — Fawkes Run (C. E. Smith); Preston Run; Mineral 

 Hill; Williamson; Wawa. 



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

 West Chester; Sconnelltown. 



— Nottingham Barrens. 



67. Juncus marginatus Rostk. 



Occasional in moist sandy soil. 

 Delaware. — Williamson. 

 Chester. — Sugartown Barrens. 



— Nottingham Barrens. 



68. Juxcus aristulatus Michx. 



One specimen seen. — A coastal species scarce so far inland. 

 Delaware.— "Del Co." (Dr. Geo. Smith). 



J69. Juncus acuminatus Michx. 



Frequent in moist soil. 

 Chester. — Unionville. 



— Nottingham Barrens. 



70. Juncoides campestre (L.) Kuntze. 

 Frequent in dry barren open or woodland. 

 Delaware. — Fawkes Run. 



Chester. — West Chester. 



71. Chaalelerium luteum (L.) A. Gray. 



Occasional in border-woodland. 



Delaware. — Williamson. 



Chester.— Cedar Barrens (S. S. Van Pelt). 



