Poa annua L. 



Frequent by roadsides and in waste places in damp soil. Also quite frequent 

 in the mountains at about 6,000 ft. alt. Cuyamaca Mts., T. S. Brandegee in 1893. 

 Big Meadows, San Bernardino Mts., Hall in 1906, and San Antonio Mts. in 1900. 

 In the Mojave Desert, in the Panamint Mts., Hall & Chandler in 1906, and Granite 

 Wells, Parish in 1915. Native of Europe. 

 Poa compressa L. Canada Bluegrass. 



Infrequent in the streets of Los Angeles, Davidson in 1918. Native of Europe. 

 Poa pratensis L. Kentucky Bluegrass. 



A favorite lawn-grass, thence a fugitive to waysides. Also frequent in moun- 

 tain meadows, at 6,000-7,000 ft. alt., where it has been considered indigenous, and 

 so appears. Native of Eurasia and North America. 

 Festuca bromoides L. 



Frequent in unbroken and cultivated grounds. Native of Europe. 

 Festuca elatior L. Meadow Fescue. 



An infrequent waif. Oak Knoll, Pasadena, McClatchie in 1895. Los Angeles 

 and Santa Monica, Davidson in 1892. More abundant in northern California. 

 Native of Europe. 

 Festuca Myuros L. Rat-tail Grass. 



A very abundant spring grass in unbroken and in cultivated sandy soils. 

 San Bernardino, abundant in 1882. Santa Catalina Island, T. S. Brandegee in 1890. 

 Probably an early introduction. The earliest record is from Monterey, Brewer 

 in 1861. Native of Europe. F. megaleura Nutt, grows with the above species, and 

 is quite as abundant, and not readily distinguished from it, but is considered 

 indigenous. 

 Bromus arenarius Labill. 



First collected, a few plants only, by the roadside in Waterman Canyon, 

 San Bernardino, Parish & Reed in 1905, but probably already introduced else- 

 where; now much increased in that vicinity, and beginning to appear in other 

 canyons of those mountains. Very abundant in grain lands at Red Hill, near 

 L'plands, Parish & Johnston in 1917. In the Mojave Desert at the Shoestring 

 Mine, Tejon Pass, in 1914, Waterman Ranch, near Barstow, and "The Cave," in a 

 remote part of the Ivanpah Mts., all in 1915, , and in each case only a few 

 plants. North to Mariposa County. Not reported from beyond the state boundaries. 

 Native of Australia. 

 Bromus commutatus Schrad. 



An infrequent waif. San Bernardino, in 1891. Orange and Redlands, Davy 

 in 1902. The earliest record is San Francisco, Bolander before 1880.'^ Native of 

 Europe. 

 Bromus hordeaceus L. Soft Chess. 



Increasingly frequent by roadsides and in meadows; probably of recent intro- 

 duction. Santa Monica, Hasse in 1890. Los Angeles, "not common,'" Davidson 

 in 1896. Common at Santa Ysabel and Oceanside, Parish in 1896. Ascends the 

 .San Bernardino Mts. to 3,500 ft. alt. In the Mojave Desert, in the railway 

 park at Barstow, Parish in 1915. Earlier established in central California. Common 

 by roadsides and in neglected fields, Hilgard in 1890. Napa Valley, Jepson in 1893. 

 L^kiah, "the prevalent grass in some ranges," Davy in 1899. Native of Europe. 

 Bromus hordeaceus L. var. leptostachys Beck. 



Abundant by a roadside, in marshy soil, San Bernardino, in 1916. Native of 

 Europe. 

 Bromus madritensis L. 



Locally abundant in hard, arid soil. Fort Tejon, Parish in 1887, the first re- 

 ported collection in the LTnited States. Santiago Peak, Orange County, Abrams 

 in 1904. Infrequent north to Oregon. Native of Europe. 



Bromus rubens L. 



One of the most widely spread, abundant and thoroughly naturalized grasses 

 of the cismontane region; of recent introduction, but with the greatest rapidity 

 overspreading arid plains and hills, and cultivated grounds. San Bernardino, in 

 small amount, in a stubble field in Reche Canyon, in 1886. Ascends the moun- 

 tains to 3,000 ft. alt. In the Colorado Desert, at Palm Springs, in 1913. In 

 the Mojave Desert, in waste places, at Mojave, Kramer and Leastalk, in 1915. 

 The earliest record in the state is Plumas County, Lemmon, before 1880.'* Native 

 of Europe. 



Bromus tectorum L. var. nudus Klett & Richter. 



Infrequent in the south. Santa Barbara, Agnes Chase in 1910. Ontario, and 

 Euclid Avenue, Upland, extending up San Antonio canyon to 5,000 ft. _ alt., 

 Johnston in 1918. Apparently widely distributed at the north. Yosemite, ^ioletti 

 in 1900. Klamath River, Chandler in 1901. Sissons, Davy in 1902. Yreka, Butler 

 in 1904. Native of Europe. 



'^Thurber, G. in Brew. & Wats. Bot. Cal. 2:320. 1880; as B. racemosus L. 

 "Thurber, G. Op. cit. 2:319. 1880. 



