101 



_'4li2. C. STRIGOSUS, L. 



In gravel along the Bideau River Rare. Somewhat like the 

 above, the umbel less spreading, spikelets brighter coloured, 5 25 

 flowered. Tbe eulin swollen into a eorni-like tuber at the base. 

 DULICHIUM, Pers. 



24(55. D. si'atiiaceum, Pers. 



Marshes and banks of streams. Common. (15.) A perennial 

 grassy plant with simple jointed stems, witb leaves in .'! ranks and 

 bearing the spikelets of green flowers in their axils. 

 HELEOCH ARIS, R. Br. (Eleocharis of Gray's .Manual.) Spike-rush. 



2467. H. OBTUSA, Schultes. 

 If o-oata, 11. Br. 



Nation River at Casselman. and other places near Ottawa. 

 (./. Macoun.) Annual, growing in tufts. Culms round, spikclet 

 globose-ovoid, dull brown ; scales very obtuse densely crowded in 

 many ranks, tubercle flattened. 



2468. II. i'alustris, R. Br. 



Wet meadows, in shallow water, etc. Common and very variable in 



size. The varieties have not been studied. Perennial witb running 



rootstocks. Spikelet oblong lauceolate pointed, many-flowered. 



2469. H. compressa, Sullivant. 



Not uncommon. Crowing in tufts. Culms flattened, spikelet ovate 

 oblong 20 30flowered. Achenes obovate pear-shaped, triangular, 

 wrinkled; tubercle conical. 



_'417. 11. INTERMEDIA. Schllltes. 



In mud along the shore of Leamy's Lake, near its outlet at Hull 

 Cemetery, 1889. Moose Creek, (i miles below Casselman. (J. 

 Macoun.) Culms hair-like, wiry, tufted, from fibrous roots, 

 spikelets oblong ovate. Loosely 10 -20 flowered A small 

 species like acicularis but larger. 

 217.'!. II. ACICULARIS, K. Br. 



Abundant in all muddy river banks. Culms hair-like forming close 

 mats ll'iini nn. nine, rootstocks Spikelets more or less flattened. 

 SCIRPUS, L. Clubrush. 



"_' ITS. S. ei NQENS, Vahl. 



Bather uncommon. Banks nf the Bideau. and at Aylmer ;UU | 





