124 GRAMINEAE 



7. C. aleutica Bong. Culms stout, 3 to 5 feet high; blades flat, becoming 

 inroUed, elongated, gradually narrowed into a long involute point; panicle 

 narrow, rather loose, 6 to 12 inches long, the branches rather stiffly ascending; 

 glumes 214 to 3 lines long, acuminate; lemma 2 lines long, indistinctly nerved, 

 the callus hairs % as long; awn rather stout, attached below the middle, 

 slightly geniculate, extending to summit of lemma. 



Bogs and swamps, Monterey to Alaska, near the coast. 



Locs. — Requa, Davy # Blasdale 5919; Meudocino, Duvy ^ Blasdale 6089; Pt. Arena, 

 Davy # Blasdale 0012, 6020, 6055; Pt. Bragg, Davy cj- Blasdale 6123, 6133, 6155; Noyo 

 Eiver, Davy 6576; Pt. Reyes, Davy 6702, 6785, 6817; San Francisco, Bolander 6084; San 

 Pedro, Elmir 4693, 5033, 5040, 5051; Pacific Grove, Davy 7510, 7534, Uitchcoclc 2617. 



Refs. — CALAMAtiROSTis ALEUTICA Bong. Mem. Acad. St. Petersb. VI. Math. Phys. Nat. 2: 

 171. 1832; Thurb. in Wats. Hot. Cal. 2: 282. 1880; Davy in Jepson, Fl. W. Mid. Cal. 46. 1901. 

 C. suhflexvosa Kearn. U. S. Dept. Agr. Div. Agrost. Bull. 11: 22. 1898, type from Oakland, 

 Bolander 2274; Davy in ,Tepf.on, Fl. W, Mid. Cal. 46. 1901. 



8. C. rubescens Buckl. Culms slender, 2 to 3 feet high, from creeping rhi- 

 zomes; sheaths smooth, but pubescent on the collar; blades flat or somewhat 

 involute; panicle narrow, spike-like, pale or purple, 3 to 6 inches long; glumes 

 2 to 21/0 lines long, narrow, acuminate; leroma pale and thin, about as long as 

 glumes, smooth, scarcely nerved, the callus hairs about % as long ; awn attached 

 near base, geniculate, exserted at side of gknnes, the terminal portion about ^^ 

 line long. 



Prairies and banks, Mendocino Co. {I'ringle in 1882) to Santa Clara Co. 

 {Hitchcock 2C59) and Santa Cruz {Anderson) ; north and east to British Colum- 

 bia and Manitoba. 



Refs. — C'ALAMAGROSTis RUBESCENS Buckl. Proc. Acad. Phila. 1862: 92. 1863; Davy in 

 Jepson, Fl. W. Mid. Cal. 47. 1901. C. suksdorfii Scribn. Contr. Nat. Herb. 3: 82. 1892. C. 

 aleutica Bong. var. angusta Vasey, Contr. Nat. Herb. 3: 80. 1892, type from Santa Cruz, 

 Anderson. C. angusta Kearn. U. S. Dept. Agr. Div. Agrost. Bull. 11: 21. 1898, based on 

 the preceding; Davy in Jepson, Fl. W. Mid. Cal. 46. 1901. C. fasciculata Kearn. U. S. Dept. 

 Agr. Div. Agrost. Bull. 11: 23. 1898, type from plains of Mendocino, Fringle; Davy in Jepson, 

 Fl. W. Mid. Cal. 47. 1901. 



9. C. crassiglumis Thurb. Culms rather stout, 6 inches to li^ feet high; 

 blades flat, or somewhat involute, smooth, firm, about 2 lines wide; panicle nar- 

 row, spike-like, 1 to 2 inches long; glumes 2 lines long, ovate, rather abruptly 

 acuminate, purple, seaberulous, fii-m or almost indurated; lemma about as long 

 as glumes, broad, obtuse; callus hairs' abundant, about II/2 lines long; awn 

 attached at middle of back, straight, about as long as lemma ; rudiment I/2 

 line long, the pilose hairs reaching to apex of lemma. 



Swampy soil, from Mendocino Co., the type locality and only known station 

 in the state, to Vancouver Island. 



Eef. — Calamagrostis cr.assiglumis Thurb. in Wats. Hot. Cal. 2: 281. 1880, type Bolander 

 4766 (and 4787). 



10. C. hyperborea Lange. Culms 1 to 2 feet high, producing stout rhizomes; 

 sheaths smooth, tlie outer basal ones numerous, marcescent, persistent; blades 

 loosely involute, scabrous, 1 to 2 lines wide ; panicle narrow, more or less spike- 

 like, 2 to 3 inches long; glumes IVo lines long, seaberulous; lemma about as 

 long as glumes, scabrous, the callus hairs I/2 to % as long; awn attached about 

 the middle, straight, about as long as glumes; rudiment H line long, some of 

 the pilose hairs reaching to tip of lemma. 



In mountain meadows of the high Sierra Nevada; extends from arctic North 



