176 GRAMINEAE 



Iti. B. laevipes Shear. Culms 2I/2 to 3 feet high, the base often decumbent 

 and rooting; sheaths and blades glabrous; panicle broad, lax, drooping, 6 to 

 8 inches long, the branches slender, drooping; glumes smooth, the first 

 3-nerved, 3 to 4 lines long, the second 5-nerved, 5 to 6 lines long; lemmas 

 obtuse, 7-iierved. 6 to 7 lines long, densely pubescent on the margin nearly to 

 the apex and on the back at the base ; awn II/2 to 2y2 lines long. 



Moist woods and shady banks, in the Coast Ranges from Humboldt Co. to 

 San Diego; in Shasta and Lassen los.. and in the middle Sierra Nevada; 

 extends north to AYashington. 



R(3fs. — Bbomus laevipes Shear, U. S. Dept. Agr. Div. Agrost. Bull. 2:5: 4.5. 1900; Davy in 

 Jepson, Fl. W. Mill. Cal. 71. 1901. B. rii-ii(irdsoni [Link, misapplied by] Abrams, Fl. Los 

 Aug. .'5.5. 19(14. 



17. B. suksdorfii Vasej-. Culms 2 to 3 feet high ; sheaths and blades smooth, 

 scattered ; panicle narrow, erect, rather dense, 3 to 5 inches long, the branches 

 erect or ascending; spikelets about an inch long, longer than the pedicels; 

 glumes glabrous, the first 1-nerved, 4 to n lines long, the second 3-nerved, 5 to 

 6 lines long; lemmas 6 to 7 lines long, appressed-pubescent near margin and on 

 the lower part of the midnerve. 



Rocky woods and slopes, California to Washington. 



Loes.— Domicr Lake, Heller 7120; Mt. Tallac. Hitchcock SlU; Yosemite Nat. Park. Hitch- 

 cock 3303; Ebbetts Pass, Brewer 20SS; Sequoia Nat. Park, Hitchcock 3365. 



Ret". — Bromus .suksdorfii Vasey, Bot. Gaz. 10: 223. 188.5. 

 Division III, Annuals or perennials; spikelets large, strongly flattened, usually 

 keeled ; lemmas acuminate, usually awned. 



18. B. unioloides H.B.K. Rescue Grass. Annual; culms 2 to 3 feet high ; 

 sheaths pilose : blades narrow, very scabrous : panicle open; spikelets about an 

 inch long, 2i>. to 41/L' lines broad; glumes smooth, the first 5-nerved, 3V2 to 5 

 lines long, the second 7-nerved, 5 to 6 lines long; lemmas acute, subcoriaceous, 

 glabrous or scabrous, 6 to 8 lines long: awn 1 line long or less; palea Vo to % 

 as long as lemma. 



Native country not certainly known, but probably the Andes, now dis- 

 tributed from ( hile to southern U. S. Cultivated as a meadow grass in the 

 Southern States under the name of Rescue Grass and Schrader's Brome Grass. 

 Introduced in California. 



Lops. — Palo Alto, Congdon ; Bishop, Helhr 8251; Kern Co., Leckenby; Pasadena, Hitchcock 

 25.50; Fruitlanil, Ahrams 14(31; San Bernardino, Parish 4672; Mentone, Leiberg 3296. 



Refs.— Bromus unioloides H.B.K. Nov. Gen. & Sp. 1: 151. 1816; Thurb. in Wats. Bot. 

 Cal. 2: 322. 1880; Abrams, Fl. Los Ang. 56. 1904. Var. haenkeanus Shear, U. S. Dept. Agr. 

 Div. Agrost. Bull. 23: 52. 1900; Abrams, Fl. Los .\ng. .56. 1904. Ceratochloti hiicrtkeana 

 Presl, Rel, Haenk. 1: 285. 1830. 



19. B. subvelutinus Shear. Perennial; culms 1 to 2 feet high; sheaths 

 canescent ; blades narrow, rather rigid, becoming involute, canescent and also 

 pilose; panicle 2 to 4 inches long, narrow, erect, the branches short, erect; 

 spikelets about an inch long ; glumes puberulent, the first 3 to 5-nerved. 4 to 5 

 lines long, the second 7-nerved, 5 to 6 lines long; lemmas appressed-puberulent, 

 6 to 7 lines long: awn ly^ to 2 lines long. 



Dry wooded hills and meadows. California to Oregon and Wyoming. 



Loes.— Goosenest Jit., Butier ■842;'Warner Mts., Gritfiths i)'- Hunter 399; N. E. Shasta Co., 

 Hall # Babcock 4196; Eureka, Duci/; East Oakland, Vacy; Templeton, Daiij 7587; Ft. Te.jon, 

 Parish 199.5; Mt. Pinos, Hall 6635; San Bernardino Mts., Hall 7601; Laguna, Schocnfcldt 

 3624. 



Ref.— Bromus subvelutinus Shear, V. S. Dept. Agr. Div. Agrost. Bull. 23: 52. 1900. 



