FliSTlCK.K. /503 



Yermonty Prill ffh' in ISM; K'ocky !Moimtiiins, //r/// iiiid Har- 

 bour '^47; Moiitiinu, Tirecdii <)47, Caiihij i(- Srribtin\ ;U)4, 'M\\)\ 

 ("olonido, Leitn-iiiiin W, '.55, 37, 6'i in 1S85-S(3 for V. S. ^iit. 

 Herb. 



Viir. glauca (Valil). 7W ///^r«<7^ Valil. Fl. Dun. /. .%'^(17rM)). 

 r. aesid J. K. Smith. Kngl. J?ot. /. /77-'y (17i)3). /'. aspera (iiin- 

 din, Ali)inu '.i: :)S (1S(»S). 



Cnhns 20-00 cm. liigli, firm, HiittencMl; lignlo obtnse, 2 nun. 

 lon^; bliidos 3-4 in nnmber. I'liuicli^ erect. '•'>-(> cm. long, snb- 

 secund andspikolikc, or 10-12 cm. long and open, tbo longest niys 5 

 cm. long. Spikelets '^-4-llowered, part of tlietn snlwessilc; empty 

 glnmes oval, acute, first 3.3 mm. long, second 3.5-4 mm. long; 

 floral glume 3.7-4 mm. long; palea 3.5 mm. long. Anthers 1.7 

 mm. long. 



New Ilampsbiro, (■. E. Fd.mn ; ^Montana, Williams; Arizona, 

 IhiHhii S99. 



Maine to Oregon and Rocky Mountains. 



Var. firmula Host. Oram. Aust. 2:/. 71 (IS()4). P. cipxia var. 

 strict ior A. (J ray, Man. Ed. r):G-»9 (IS(JS). 



Culms 15-30 cm. high, flattened; panicle contracted or open, 

 grayish purple; empty glumes subequal, l)road, '^-".'.7 mm. long; 

 floral glume 2.5 mm. long; palea '•2.5-'2.7 mm. long; anthers 1.2 

 mm. long. 



\'ermont. Fa.ron, Ilusfdnl, l^riiiglr ; Michigan (Keweenaw 

 Co.). Fur veil ; Canada, Faxon; Minnesota, Arthur; jNlontana, 

 Canhji tl- Scribner ;)S7, 3S!), Williams. 



38. P. Wolfii (Vasey), Scribn. Uull. Torr. Chd'), 21:/. :.';>S 

 (1804). P. alsodes A. Gray, var. Woljii Vasey ined. 



('ulms slender, 00-80 cm. high. Uladcs of sterile shoots 2.j-;)5 

 cm. long, 1.5-2 mm. wide; ligule 1-1.3 mm. long; blades of culm 

 5-10 cm. long, acuminate. Panicle lax, 7-15 cm. long, rays in 

 distant pairs, slender, the longest 7-10 cm. long, bearing 4-7 spike- 

 lets near the apex. Spikelets open, 0.7 mm. long, ;)-4-flowered; 

 empty glumes oval when spread, acute, 3-nerved, first 3.5 mm. long, 

 second 4 mm. long ; floral glume 4.4-5 mm. long, pubescent for 

 most of its length, elliptical, acute; jialea 3.5 mm. long, puberuleut 



