PUANTS OF SOUTHERN NEW JERSEY. 227 



CALAMAGROSTIS Adanson. 



Key to the Species. 



a. Panicle contracted and spike-like, green tinged with purple. 



C. cmnoides, p. 227 



aa. Panicle open spreading purplish 



C. canadensis, p. 227 



Calamagrostis canadensis (Michx.). Blue Joint Grass. 



Arundo canadensis Michaux. Fl. Bor. Am. I. 73. 1803 [Canada]. — 



Knieskern Z7> 1857. 

 Arundo agrostoides Pursh, Fl. Am. Sept. I. 86. 1814 [Bogs of New Jersey 



and Penna.]. 

 Calamagrostis canadensis Willis, js. — Keller and Brown 44. 

 Deyeuxia canadensis Britton 289. 



Frequent in swamps of the northern counties, extending south 

 locally through the Middle district to Cape May. 

 Fl. — Early June to early July. 



Middle District. — Squan (S), Shark River (C), Farmingdale, Hartford, 

 Mickleton (NB), Gibbstown (H), Repaupo (NY), Egg Harbor City (KB). 

 Cape Moy.— Bennett (S), Cape May (OHB). 

 Coast Strip. — Beach Haven (L) (introduced?) 



Calamagrostis cinnoides (Muhl.). NuttalTs Reed Grass. 



PI. X., Fig. I. 



Arundo cinnoides Muhlenberg Gram. 187. 1817 [Pennsylvania and Mass- 

 achusetts]. — Barton Fl. Phila. I. 70. 

 Calamagrostis Nuttalliana Willis 13. 

 Arundo coarctata Torrey, Fl. U. S. I. 94. 1824. 

 Deyeuxia Nuttalliana Britton, 289. 

 Calamagrostis cinnoides Keller and Brown 44. 

 Calamagrostis coarctata Knieskern 37. 



Occasional in the northern counties, and frequent in swamps 

 of the Middle district and plentiful in the Pine Barrens and 

 Cape May peninsula. Rare on the coast. 



Fl. — Late July to mid-September. 



Middle District. — Shark River (NB), New Egypt, Griffith's Swamp, Cam- 

 den (P), Mickleton, Dividing Creek. 



Pine Barrens. — Forked River, Waretown, West Creek (S), Manahawkin, 

 Coxe's, Speedwell (S), Taunton (S), Landisville, Hammonton, Atsion (S), 

 Quaker Bridge (P), Egg Harbor City, Woodbine, Petersburg (S), Ocean 

 City Jnc. 



Coast Strip.— Suri City (L). 



Cape May.— Court House (S), Bennett, Cape May (OHB). 



