186 GRAMINEAE 



is not given, have very compound panicles, about 13 inches long and 3 inches 

 wide. 



Var. pubens I'iper. Sheaths and blades pubescent. — Santa Barbara, Hilxhcock 

 2582; also in Washington. 



Eefs. — Elymus condensatus Presl, Eel. Haenk. 1: 265. 1830, type from Monterey, HaenJce ; 

 Thurb. in Wats. Bot. Cal. 2: 326. 1880; Da^7 in Jepson, Fl. W. Mid. Cal. 78. 1901; Abrams, 

 Fl. Los Aug. 61. 1904. Var. PUBEXS Piper, Erythea 7: 101. 1901. 



4. E. triticoides Buckl. Culms usually glaucous. 2 to 4 feet tall, usually in 

 large masses, from extensively creeping, scaly rhizomes; sheaths smooth or 

 scabrous; blades narrow, mostly 1 to 3 lines wide, fiat or soon involute; spike 

 erect, slender, sometimes branched; glumes subulate, 5 to 7 lines long; lemmas 

 3 to 5 lines long, glabrous, short-pointed. 



iloist bottomland and alkaline soil, throughout the state, conunoner in the 

 southern pdrtion : north to AVashingtou and east to Colorado and Arizona. 



V"ar pubescens llitchc. n. var. Sheaths and involute blades hirsute-pubescent. 

 — (Et laminae involutae et vaginae hirautae.) — Type in the National Her- 

 barium, collected at Griffin, Ventura Co., by Elmer (no. 3748). No other 

 specimens have been observed. 



Befs. — Elymus triticoides Buckl. Proc. Acad. Phila. 1862: 99. 1863; Davy in Jepson, 

 Fl. W. Mid. Cal. 78. 1901; Abrams, Fl. Los Ang. 61. 1904. E. condensatus Presl var. 

 triticoides Tburb. in Wats. Bot. Cal. 2: 326. 1880. E. orevttianus Vasey, Bot. Gaz. 10: 258. 

 1885, type from San Diego, Orcutt ; Abrams, Fl. Los Ang. 62. 1904. Agropyron arenicolum 

 Davy in Jepson, Fl. W. Mid. Cal. 76. 1901, type from Pt. Reyes, Davy 6879; the following 

 dwarfed seaeoast specimens, 6 to 10 inches high, also belong to this: Pt. Reyes, Daiy 6781; 

 mouth of Salinas River, Davy 7548; Pacific Grove, Hitchcocl 2608; Monterey, Davy 7272; Pt. 

 Sur, Davy 7752. 



5. E, arenarius L. Culms stout, sniooth, or pubescent above, glaucous, 2 

 to 4 feet high from creeping rhizomes; sheaths and blades smooth or the latter 

 scabrous above ; spike erect, dense, 3 to 10 inches long ; glumes lanceolate, flat, 

 many-nerved, scabrous or pubescent, 5 to 10 lines long, acuminate, awnless, 

 about as long as the spikelet; lemmas about as long as glumes, scabrous or 

 felty-pubescent, acuminate or mucronate. 



Sand dunes along the coast: Santa Cruz, Anderson: San Mateo Co., Elmer 

 4770; Westport, Congdon. Northern coasts of North America and Eurasia. 



Refs.— Elymus arenarius L. Sp. PI. 83. 1753; Thurb. in Wats. Bot. Cal. 2: 326. 1880; 

 Davy in Jepson, Fl. W. Mid. Cal. 77. 1901. 



G. E. pubescens Davy. Cidms 1 to 3 feet high; scabrous, sheaths scabrous 

 and pubescent; blades flat or loosely involute, short; spike 2 to 4 inches long; 

 glumes linear-lanceolate, flat, acuminate, unawned, about 6 lines long, sca- 

 brous, about 5-nerved ; lemmas scarcely as long as the glumes, short-awned. 



Pt. Arena, Davy 6028 (the only specimen in the National Herbarium), to 

 Pt. Reyes. 



Ref. — Elymus pubescens Davy in Jepson. Fl. W. Mi.l. Cal. 78. 1901. type from Pt. 

 Reyes, Davy. 



7. E. glaucus Buckl. Culms erect. 2 to 4 feet high, without rhizomes; 

 sheaths smooth or scabrous; blades flat, as much as 5 lines wide, scabrous 

 on both surfaces, sometimes narrow and more or less involute; spike erect, 

 usually dense, long-exserted, 2 to 6 inches long, rarely longer; glumes about as 

 long as the spikelet, lanceolate. 4 to G lines long, acuminate or awn-pointed, 

 with 2 to 4 scabrous nerves; lemmas awned. the awn 1 to 2 times as long as 

 the body. 



Open woods, copses, and dry hillsides, throughout the state, north to Alaska 

 and cast to Jlichia'an and ^Missouri. 



