AGROSTIDE^. 



319 



Fig. 57. — Cinna Intifolia. Spike- 

 let. (Scribuer.) 



Culms usually more slender than those of C. ariindinacea; 

 Wades rather shorter. ranicle 

 less robust, the rays rough, more 

 slender, flexuose and nodding. 

 Spikelets 3-3.5 mm. long, more 

 delicate in texture, less scabrous, 

 nerves less prominent ; empty 

 glumes equal or the lower 0.5 mm. 

 shorter, second glume 1-3-nerved, 

 otherwise like the preceding. 



Kew Hampshire, Faxon 22; 

 Vermont, Pringle for Pelton; 

 Minnesota, Bailey B 323; Colo- 

 rado, Cassidy; Utah, Jones 1219; British Columbia, Macoun; 

 Oregon, Howell for U. S. Dept. Agricul. 421. 



For notes by Scribuer comparing the two species, see Pro- 

 ceedings of the Acad. Nat. 8ci. Phila. p. 289, in 1884. 



Northern States across the continent. 



Yar. glomerata Scribn. ined. EmjDty glumes equal, 1-uerved, 

 very narrow, acuminate-pointed and scarcely more than 2 mm. 

 long; spikelets in dense clusters or glomerules along the extremities 

 of the branches of the very diffuse panicle. The above was taken or 

 adapted from Scribuer in Proceedings of the Acad. Nat. Sci. Phil, 

 p. 290, 1884. 



British Columbia, Macoun. 



3. C. Bolanderi Scribn. Proc. Phila. Acad. 290 (1884). 



Culms stout, smooth, sometimes 20 cm. high. Leaf-blades firm, 

 prominently striate and scabrous on both sides, those of the middle 

 portion of the culm 30-60 cm. long, 2 cm. wide, all tapering to a 

 sharp point. Panicle loose, widely spreading, 40-50 cm. long. 

 Spikelets 4-5 mm. long; empty glumes scabrous, subequal, broadly 

 lanceolate, second glume 3-nerved ; floret extending as high as the 

 second glume, 3-nerved, scarcely if at all stipitate. 



Vasey considered it only a var. of C. 2)en(hda. 



California, BoJander 6090. 



66. (129). Agrostis L. Sp. PI. (1753), in part. Vilfa Adans. 



