246 REPORT O'F NEW JERSEY STATE MUSEUM. 



Edge of salt marshes along the coast and on the lower bay- 

 shore. 



Fl. — Late July to^ early September. 



Maritime.— SanAj Hook (NB), Pt. Pleasant, Manahawkin, Surf City 

 (L), Barnegat City Jnc. (L), Beach Haven (L), Harvey Cedars (L), Pea- 

 hala (L), Ship Bottom (L), Atlantic City (NB), Cape May Ct. House, Bias 

 Creek. 



Elymus canadensis L. Nodding Wild Rye. 



Blymus canadensis Linnasus, Sp. PI. 83. 1753 [Canada]. — Knieskern 39. — 

 Willis 75.— Britton 298. 



River banks, Northern' and Middle districts. 



F/.— Early July to early September, or occasionally later. 



Middle District. — Shark River (C), Delair, Swedesboro'. 



HYSTRIX iVIoench. 



Hystrix liystrix (L.). Bottle-brusli Grass. 



Elymus Hystrix Linnseus, Sp. PI. Ed. 2. 124. 1762 [original habitat un- 

 knovsfn]. — Britton 299. — Keller and Brown 57- 



Rocky w6ods of the northern counties ; reported by Dr. Britton 



from one station in the Middle district. 



Middle District. — Arneytown (C). 



Family CYPERACE^E. Sedges. 



Distinguished from Grasses by their usually solid, more or 

 less triangular stems and closed sheaths to the leaves. Fruit an 

 achene. 



Flojuering and Fruiting Data. — ^In all the genera of this 

 famil^, except Cyperus and Car ex (q. v.) and certain special 

 cases noted under individual species, the time of year indicates 

 the season during which well developed (and generally mature) 

 achenes are commonly to be found and intact spikelets occur. 



Key to Genera, 

 a. Flowers all of one kind, perfect. 

 6. Spikelets two-ranked. 



c. Flattened or linear, arranged in terminal umbles, in loose spikes or 



spherical clusters. Cyperus, p. 248 



cc. Flattened, arranged in two ranks on peduncles from the axils of 



the short leaves, inflorescens extending for same distance along 



the culm. Dulichium, p. 256 



