FESTl'CE.E. 64 - 



Var. minor Scribn. ined. lu every respect diminutive, 5-10 cm. 

 liigh; blades 1-2 cm. long; pimicle l-'i.i) cm. loug; spikelets 

 sliorter, 3— t-ttowerod. 



Montami, ^:^cril))ie>' in 1883. Kooky Moimtiiitis. 



Var. purpurascens (Vasey). P. imiyKrascens Vasey, Coult. 

 Bot. Gaz. G:297 (1881). 



Culms smooth, 3-4.5 cm. high: panicle oblong or pyramidal, 

 5-8 cm. long; spikolets ovate, 8-i) mm. loTig. 3-.")-ll<)were<l. second 

 glume 5-G nmi. long; Uoral glume oval acute when spread, 6-7 mm. 

 long, palea 5.5 mm. long. 



"Washington, U. S. Ih'pf. Jr/n'riiJ. ()"2S from Suksdorf, 



A very distinct variety. perhai)s a species. 



Washington, Oregon, Kocky ^fountains. 



23. P. pratensisL. Sp. PI. GT (1753). .Tlxe Grass. Kextfcky 

 Blih Grass. Sim;ak-(!UASS. J\ anreps Hegetscliw. V\. Schw. 

 81 (1840). P. (DKjuxfifoUa L. S].. ri. ('.7 (1753). /'. altiro Hoiss. 

 & lleldr. Diiign. (1.) 1:5 : 57 (184-.'-5;i). P.ai'rulva Knai)p, Gram. 

 Brit. /. 118 (184(;). P. cinirrd Vill. Hist. PI. Dauph. 2: 12*1 

 (178(M)). P. costaia Scluim. Enum. PI. Saell. 1 : 28. /*. (h-pressa 

 J. & C. Presl, V\. Oech. 20. P. dnbid [lIonci<.l Verz. AUer. (Jew. 

 Teutscld. 235. /'. cn/i/nis/ifiiniiis Schur, Verb. Siebenb. Ver. 

 Naturw. 4:88 (1853). I*, jilifolia Schur, Kturm. PI. Transs. 7<;8 

 (ISGO). P. (jhihnt VAw\\. \W\\Y. 0:82 (17'.)2). /'. ///vy/^^/m Suti-r, 

 in. llelv. 1:48. /'. hvlvruplujUa Sclieele, Flora. 2;:5S (1844). 

 P. /nimilis Ehrh. IViir. (;:84 (17!)2). P. Lrjeintii Dam. (»l.s. 

 Gram. Belg. 112 (1823). P. iiiahiiitn(/(trien.'<if< Lcj. Fl. Spa. 1 : :>(). 

 /*. Niiri/olia Schur. Fnum. Pi. I'ranss. 'It'i7 (18G<)). /'. pnhi'strits 

 Lcj. FI. Spa. 1:51. P. xiinmx Hotl'in. Deutsc Id. Fl. Fd. 2, 1 : 44. 

 P. striijosd. I. c. P. suhrivvKlca Sni. Engl. Hot.. /. 1004. P. sijl. 

 vicoUi Guss. Enum. PI. Inar. :>; 1 (1854). /'. friria/is (uiss. Fl. 

 Sic. Prod. 1:89 (1827). /'. \'i//(irsii (imel. Syst. 182 (1778). 

 P. viridis (iilib. Exi-rcit. 2: 530. 



A very variabb-, common, and widely distributt'd pcrciii'Ial. 

 Culms terete, glabrous, slemler or rather stout where not, crowded, 

 30-()('» (rarely 10-120) cm. high, fi'oin copious running rcotstocks. 

 Sheaths smooth, snbcompressed ; ligide truncate, 1.5 mm. Imig; 



