GRASS FAMILY 119 



Locs. Eureka, Davy $ Blasdale 6216; Siskiyou Co., Butler 1748; Castle Crag, Hitchcock 

 3066; Eagle Lake, Davy; Donner Lake, Heller 7076; Tahoe, Hitchcock 3079; Amador Co., 

 Hansen 1818; Calaveras Co., Hillebrand 2248; Tuolumne Eiver, Bolander 5064; Yosemite 

 Valley, Hitchcock 3225; Pt. Keyes, Davy 6837; Angel Island, Bolander 1521; San Francisco, 

 Bolander 1518, 2282; Black Mt., Elmer 4264; Pacific Grove, Heller 6848; Santa Lucia Mts., 

 Davy 7702; San Jacinto Mts., Hall 2209; Santa Rosa Island, Brandegee; Santa Catalina 

 Island, Brandegee. 



Kefs. AGROSTIS FOLJOSA Vasey, Bull. Torr. Club 13: 55. 1886. A. diegoensis Vasey, Bull. 

 Torr. Club 13: 55. 1886, type from San Diego, Orcutt; Davy in Jepson, Fl. W. Mid. Cal. 

 44. 1901; Abrams, Fl. Los Ang. 37. 1904. A. scouleri [Trin. misapplied by] Thurb. in Wats. 

 Bot. Cal. 2: 272. 1880. A. pollens Trin. var. foliosa Hitche. U. S. Dept. Agr. Bur. PI. Ind. Bull. 

 68: 34. 1905 



9. A. breviculmis Hitche. Culms cespitose, erect, 4 to 6 inches high ; pani- 

 cle strict and narrow, about an inch long : glumes 1% lines long, acute ; lemma 

 a little more than % as long as glumes, awnless or bearing a very short awn 

 near the middle of the back ; palea a minute nerveless scale. 



On cliffs, Ft. Bragg, Mendocino Co., Bolander 6466 in part, Davy & Blasdale 

 6159. Also in Peru. 



Befs. AGROSTIS BREVICULMIS Hitche. II. S. Dept. Agr. Bur. PI. Ind. Bull. 68: 36. 1905. 

 A. nana Kunth, Enum. PI. 1: 226. 1833, not Delarbre 1800. 



10. A. microphylla Steud. Culms 1% to 3 feet tall, or often depauperate; 

 panicle narrow, close and spike-like, or rather loose, 4 to 12 inches long, the 

 branches spikelet-bearing to the base ; glumes l 1 /^ lines long, more or less awn- 

 pointed; lemma y 3 shorter than glumes, bearing at the middle an exserted 

 bent awn ; palea wanting. 



Open ground, prairies, dry hills and open woods, along the coast from Men- 

 docino Co. to Monterey Co., and in the interior from Yosemite Nat. Park to 

 Tulare Co.; also at San Diego (Orcutt 1173, 1176). British Columbia to Mexico. 



Eefs. AGROSTIS MICROPHYLLA Steud. Syn. PI. Glum. 1: 164. 1854; Thurb. in Wats. Bot. 

 Cal. 2: 273. 1880, under A. exarata. 



11. A. ampla Hitche. Culms 2 to 3 feet high; blades broad, 2^ to 4 lines 

 wide; panicle large and spreading, 8 to 10 inches long, branches verticillate, 

 the shorter ones spikelet-bearing from the base ; glumes unequal, acuminate 

 but not awn-pointed, the first 2 lines long; lemma li/4 lines long, bearing a 

 straight or bent awn at the middle; palea a minute, nerveless scale. 



Moist ground, near the coast and in interior valleys; north to British Colum- 

 bia and east to Arizona. 



Locs. Blairs, Mendocino Co., Davy fy Blasdale 5262; Mendocino, Brown 799; Ft. Bragg, 

 Davy $ Blasdale 6118; Round Valley, Chesnut 94; Cloverdale, Bolander 6465; Auburn, 

 Shockley 547, Palmer 2420 in 1892; Middle Fork Tule Eiver, Purpus 5638; Colton, Jones. 



Eefs. AGROSTIS AMPLA Hitehc. IT. S. Dept. Agr. Bur. PI. Ind. Bull. 68: 38. pi. 20. 1905. 

 A. rirescens [H.B.K. misapplied by] Thurb. in Wats. Bot. Cal. 2: 274. 1880. 



12. A. exarata Trin. Culms erect, 2 to 4 feet high, or often depauperate; 

 panicle contracted and spike-like or loose and somewhat spreading, the 

 branches densely flowered; glumes l 1 /^ to 1% lines long, scabrous on the keel 

 and usually on the back; lemma 1 line long, awnless, or rarely with a short 

 prickle on the back ; palea a minute nerveless scale % line long. 



Moist places, common throughout the state, especially near the coast and in 

 the mountains up to 9000 feet ; extends from Alaska to Mexico. 



Eefs. AGROSTIS EXARATA Trin. Gram. Unifl. 207. 1824; Thurb. in Wats. Bot. Cal. 2: 273. 

 1880. A. grandis Trin. Mem. Acad. St. Petersb. VI. Sci. Nat. 4 1 : 316. 1840; Thurb. in Wats. 

 Bot. Cal. 2: 273. 1880, under A. exarata. A. asperifolia Trin. Mem. Acad. St. Petersb. VI. 

 Sci. Nat. 4 1 : 317. 1840; Thurb. in Wats. Bot. Cal. 2: 273. 1880, under A. exarata; Davy in 

 Jepson, Fl. W. Mid. Cal. 44. 1901 ; Abrams, Fl. Los Ang. 36. 1904. 



