A(iUOSTIDE.E. 



319 



Fi<!. 57. — Ciium Idiifolki. Spike- 

 let. (ScMibiier.) 



Culms usually more slciuler than those of C. arunih)uii-e<i; 

 blades rather shorter. Panicle 

 less robust, the rays rougli, more 

 slender, fiexuose and nodding. 

 Spikelets 3-;5.5 mm. long, more 

 delicate in texture, less scabrous, 

 nerves less prominent ; empty 

 glumes equal or the lower 0.5 mm. 

 shorter, second glume l-3-nerved, 

 otherwise like the preceding. 



New IIami)shire, Fu.rnn 22; 

 Vermont, Prinnlv for IVlton; 

 ^linnesota, liuUeij B 323; Colo- 

 rado, CassiiUj; Utah, Jones 1219; British Columbia, Macouw, 

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



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

 ceedings of the Acad. Xat. Sci. Phila. p. 28!), in 1.S8-4. 



Northern States across the continent. 



Var. glomerata S(;ribn. ined. Empty glumes equal, 1-nerved. 

 very narrow, Hcumiuate-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 Scribner in Proceedings of the Acad. Nat. Sci. Phil, 

 p. 290, 1884. 



British Columbia, Macoioi. 



3. C. Bolanderi Scribn. Proc. Phila. Acad. 200 (1S84). 



Culms stout, smootli, sometimes 20 cu). high. Lcaf-l)hide3 firm, 

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

 })ortion of the culm 30-()0 cm. long, 2 cm. wide, all tapering to a 

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

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

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

 second glume, 3-nerved, scarcely it at all sti])itate. 



Yasey considered it only a var. of C. poidiiht. 



California, liohnuler 6090. 



60. (129). Agrostis L. Sp. PI. (ir5;5), in part. ViJfa Adans. 



