JUNCACEAE 227 



26. J. acuminatus (Michx.) Engelm. Me. to S. Ont., Minn., Ga. 



and Mex. Also on the northwest coast. 

 Common throughout the range. 



27. J. debilis A. Gray (J. acuminatus debilis A. Gray). In wet 



places and sandy shores: R. I. to Mo., Fla., Miss, and Ala. 



Conn. Waterford and Ledyard. 



N. Y. Belport, L. I.; recorded from S. I. 



N. J. Essex and Morris counties, common on the coastal plain. 



Pa. Reported from Bucks Co. 



28. J. articulatus L. (J. articulatus obtusatus Engelm.). Lab. to 



N. J., Ont. and Mich. Also in Europe and Asia. 



Local in most parts of the range, wanting in the pine-barrens. 



29. J. brevicaudatus (Engelm.) Fernald. Muddy and damp 



places: Newf. to Ont., W. Va. and Minn. 



Conn. Canaan, Litchfield Co. 



N. Y. Orange Co. increasing and common northward. 



N. J. Bergen, Morris and Sussex counties, increasing northward. 



Pa. Monroe, Northampton, Lackawanna, Schuylkill and Carbon 



counties. 



Tertiary, o: Cretaceous, o: Older formations, increasing north- 

 ward. 117-171 days. Sea level-1,864 ft. 



Juncus Roemerianus Scheele has been reported from N. J. but there seems to be no 

 evidence that it grows there now. 



2. Juncoides Adans. 



Inflorescence umbelloid, I or 2 flowers on each of its branches. I. /. pilosum. 



Inflorescence theoretically paniculate, the flowers often crowded in 

 spike-like clusters. 



Outer perianth parts shorter than the inner. 2. J. nenwrosum. 



Perianth parts equal or nearly so. 3. J. campestre. 



I. J. pilosum (L.) Kuntze. Rocky woods, sometimes in moist 

 places: N. B. to Alaska, N. Y., Mich, and Ore. and S. Ga. 

 Conn. Litchfield Co. Rare or wanting elsewhere. 

 N. Y. Woodland, Ulster Co. 



N. J. Pascack, Bergen Co. (Austin). Not recently collected. 

 Pa. Pike and Monroe counties. 



Tertiary, o: Cretaceous, O: Older Formations, rare and local at 

 high elevations. Not south of the moraine. 117-177 days. 106- 

 2,253 ^. 



