118 GRAMINEAE 



variety was referred to A. depressa Vasey, by Hitchcock, U. S. Dept. Agr. Bur. PI. Ind. Bull. 

 68: 28. 1905, and to A. alba L. var. stolonifera " Auct. ", by Davy in .Tcpson, Fl. W. Mid. Cal. 

 43. 1901. 



4. A. glomerata Kiintli. Culms erect, 8 to 12 inches high, scabrous below 

 panicle ; sheaths eonspicnously striate, often inflated ; panicle close and spike- 

 like, Yo to 3 inches long, the large forms more or less lobed; glumes l^/^ lines 

 long, sharp-pointed but usually not awned; lemma 1 line long, awnless or with 

 a straight or bent awn from the middle of the back, the callus hairs short; 

 palea V4 line long, 2-nerved. 



Along the coast from Mendocino Co. to Monterey ; also Vancouver Island. 

 Oregon and Peru. 



Loi's. — Meudociuo, Pringle; Ft. Bragg, Bolander 6466, Davy 4' Blasdale 6167; Pt. Arena, 

 Dary ij- BlasdaJe 6025; Pt. Reyes, Davy 6746, 6793; Pacific Grove, Hitchcock 2607. 



Refs. — Agrostis glomebat.v Kunth, Enum. PI. 1: 219. 1833. Vilfa glomerata Presl, Rel. 

 Haenk. 1: 239. 1830. Agrostis calif ornica Trin. Mem. Acad. St. Petersb. VI Sci. Nat. 4': 

 359. 1840; Thurb. in Wats. Hot. Cal. 2: 273. 1880, under A. exarata. A. mucronata [Presl, 

 misapplied by] Tlrarb. in Wats. Bot. Cal. 2: 272. 1880. A. densiftora Vasey, Contr. Nat. 

 Herb. 3: 72. 1892, type from Santa Cruz, Anderson; Davy in Jepson, PI. W. Mid. Cal. 43. 1901. 



5. A. exigua Thurb. Annual; culms delicate, 1 to 4 inches high; panicle 

 1/^ the length of plant, finally open; glumes % line long, scaberulous; lemma 

 equaling the glumes, bearing below the tip a slender awn 4 times as long ; palea 

 wanting. 



Only known from the type collection, "Foothills of the Sierras," Bolander. 

 Ref.— Agrostis exigua Thurb. in Wats. Bot. Cal. 2 : 275. 1880. 



6. A. hallii Vasey. Culms erect, stout, 2 to 3 feet high, bearing rhizomes; 

 ligule usually conspicuous ; panicle 4 to 5 inches long, narrow, open ; glumes 

 about 2 lines long: lemma awnless, II/2 lines long, with a tuft of hairs at base 

 about Yj, as long; palea wnnting. 



Mostly in woods, near the coast frmii Santa liarbara {Hitchcuck 2580) to Del 

 Norte Co. (Davy & Blasdale 5918) ; north to Oregon. 



Var. pringlei Ilitchc. Differs from A. hallii in the narrower and more com- 

 pact panicles, narrower and more involute blades and the more stramineous 

 appearance of the whole foliage. — Near the coast, IMeudociuo Co. : Jlendocino, 

 Congdon, Davy & Blasdale 6075 ; Pt. Arena, Davy rf: Blasdale 6030. 



Refs. — Agrostis hallii Vasey, Contr. Nat. Herb. 3: 74. 1892. A. davyi Scribn. U. S. 

 Dept. Agr. Div. Agrost. Circ. 30: 3. 1901, type Davy # Blasdale 6062. Var. pringlei Hitchc. 

 U. S. Dept. Agr. Bur. PI. Ind. Bull. 68: 33. 1905. A. ininglei Scribn. U. S. Dept. Agr. Div. 

 Agrost. Bull. 7: 156. 1S97, type from Mendocino Co., Pringle. 



7. A. pallens Trin. Cidms S to 15 inches high, erect, from creeping rhi- 

 zomes; panicle contracted, almost spike-like, 2 to 4 inches long; glumes 1% 

 to li/'o lines long; lemma a little shorter than the glumes, awnless, the hairs at 

 base minute; palea wanting. 



Sandy soil near the coast, Marin Co. to Del Norte Co., north to Washington. 

 Locs. — Crescent City, Davy # Blasdale; Pt. Reyes, Davy 6682, 6839, 6880; Lands End, Davy. 

 Refs. — Agrostis pallens Trin. Mem. Acad. St. Petersb. VI. Sci. Nat. 4' : 328. 1840 ; Thurb. 

 in Wats. Bot. Cal. 2: 273. 1880, under A. esarata. 



8. A. foliosa Vasey. Diifers from A. pallens in the taller culms, and more 

 open panicles, the branches rather stiffly ascending; lemma awnless (in most of 

 the California specimens) or with a straight or rarely a bent awn. 



Meadows and open woods, from Humboldt Co. south along the coast, in the 

 Sierra Nevada to ^Mariposa Co.. and in the San Jar'into I\Its. Extends north to- 

 British Columbia. 



