GRASS FAMILY 175 



long, 3-nerved; lemmas 5 to 6 lines long, narrow, scabrous or scabrous- 

 pubescent over the back, the awn 2 1 /? to 3y 2 lines long. 



Open woods, California to Washington. 



Locs. Modoe Co., Baker $ Nutting; Siskiyou Co.. Butler 469; Alt. Shasta, Hitchcock 2942; 

 Mt. Sanhedrin, Heller 5987; Truekee River. Sonne 21; Tahoe, Hitchcock 3091; Pioneer, Hansen 

 1835; Yosemite Nat. Park, Hall $ Babcock 3401; Pine Ridge, Hall $ Chandler 316; Northfork, 

 Griffiths 6674; S. Fork Kaweah River, Culbertson 4512; Santa Catalina Island, Brandeqce 62. 



Var. hallii Hitchc. n. var. Blades soft-pubescent on both surfaces; glumes 

 and lemmas pubescent. (Laminae foliorum utrinque molliter pubescentes; 

 glumae lemmataque pubescentia.) Dry, mostly wooded ridges and slopes, 5000 

 to 9000 feet, California. Type fin the National Herbarium) collected by H. M. 

 Hall in the San Jacinto Mts., 5700 feet altitude, June 27, 1901 (no. 2301). 



Locs. Blue Canon, Placer Co., Kellogg 58 in part; Kaweah River. Coville fy Funston 1346; 

 Santa Lucia Mts., Davy 7709; Tassajara II ot Springs, Elmer 3314; San Bernardino Mts., 

 Wilder 1071, 1131; San Jacinto Mts., Hall 2301, Seed 2449; " S. Calif.", Palmer 233 in 1888. 



Refs. BROMUS ORCUTTIANUS Vasey, Bot. Gaz. 10: 223. 1885, type from San Diego, Orcutt 

 in 1884 ; Abrams, Fl. Los Ang. 55. 1904. B. brachyphyllus Merr. Rhodora 4 : 146. 1902. 



14 B. grandis Hitchc. n. comb. Culms 3 to 5 feet high; sheaths pubescent; 

 blades pubescent, elongated, spreading, rather lax; panicle broad, open, the 

 branches slender and drooping, naked below, the lower usually in pairs, as 

 much as 6 inches long; first glume usually distinctly 3-nerved; lemmas densely 

 pubescent over the back. 



Dry hillsides at moderate altitudes. San Diego Co. to Madera and Monterey 

 cos., also in Oregon and Washington. Resembles B. orcuttianus var. hallii, 

 from which it differs in the open drooping panicle and the more distinctly 

 3-nerved first glume. 



Locs. Gavilan Peak, Brewer 740; Northfork, Griffiths 6596; S. Fork Kaweah River, Cul- 

 bertson 4512; Little Sur, Davy 7385; Pico Blanco, Davy 7339; Santa Lucia Mts., Davy 7691; 

 Tassajara Hot Springs, Elmer 3398; Topatopa Mts., Abrams <$ McGregor 161; Mt. "Wilson, 

 Abrams 2600; Little Santa Anita Canon, Abrams 2632; San Bernardino, Parish 5038; Colorado 

 Desert, Palmer in 1889; La Marte, Orcutt 472. 



Refs. BROMUS GRANDIS Hitchc. B. orcutiianus Vasey var. yrandis Shear, U. S. Dept. Agr. 

 Div. Agrost. Bull. 23 : 43. 1900. B. porleri Nash var. assimilans Davy, Univ. Gal. Publ. Bot. 

 1: 55. 1902, type Hall 2228 from San Jacinto Mts. 



15. B. vulgaris Shear. Culms 3 to 4 feet high, the nodes pubescent ; sheaths 

 pilose ; blades scattered, more or less pilose ; panicle open. 4 to 6 inches long, 

 the branches slender and drooping; spikelets slender, about an inch long; 

 glumes narrow, sparsely pubescent, the first 1-nerved. 2% to 4 lines long, acute, 

 the second 3-nerved, broader and longer than the first, obtuse or acutish; 

 lemmas 4 to 5 lines long, sparsely pubescent over back, pubescent or ciliate 

 near the margins or nearly glabrous ; awn 3 to 4 lines long. 



Rocky woods and shady ravines, to 7000 feet, California to Vancouver and 

 Montana. 



Locs. Humboldt Bay, Chandler 1177; Hubbard Sta., Davy $ Blasdale 5406; Sherwood, 

 Hitchcock 2700, 2708; Pt. Reyes, Davy 6853; Mill Valley, Davy 4126; Calaveras Co., Hille- 

 brand 2258; Berkeley Hills, Chase 5668; Congress Springs, Hitchcock 2660; Santa Cruz, Jones; 

 Santa Cruz Island, Brandegee 70; San Bernardino Mts., Abrams 2851. 



Var. eximius Shear. Sheaths glabrous. Moist mountain sides. British Colum- 

 bia to California. Sherwood Valley, Davy & Blasdale 5226 ; Mendocino plains, 

 Bolander 4753. 



Refs. BROMUS VULGARIS Shear, U. S. Dept. Agr. Div. Agrost. Bull. 23: 43. 1900. 7>. 

 purgans L. var. vulgaris Hook. Fl. Bor. Am. 2: 252. 1840. B. ciliatus [L. misapplied by] 

 Thurb. in Wats. Bot. Cal. 2: 320. 1880. Var. EXIMIUS Shear, IT. S. Dept. Agr. Div. Agrost. 

 Bull. 23 : 44. 1900. 



