STATE AGRICULTURAL SOCIETY. • 137 



a very coarse, tall species, forming large tufts ; leaves very long and 

 wide, generally breaking oflF a little above the sheaths. During winter, 

 when feed is rare, it is eaten by cattle. June; perennial. 



Calamagrostis syloatica (Dec.) 



H?'llsides of the Coast Eange, Santa Clara, Searsville, Mendocino 

 County, near Big Eiver City. Forms large tufts when in rather sunny 

 localities, while it remains single in shady woods. June; perennial; 

 use doubtful. 



Calamagrostis (?) 



Swamps near Mendocino City. August; useless. 



Phragmiles communis (Trin.) — E,eed. 



Banks of Clear Lake, salt marshes at Suisun. October; perennial; 



useless. 



CHLORIDES. 



Cynodon ilactylon (Pers.) — Bermuda grass — scutch grass. 



San Francisco ; in gardens. Valueless for California. 



SjMrfina stricta (Eoth.) — Salt marsh grass. 



Salt marshes of the Bay of San Francisco. Useless. August, Sep- 

 tember; perennial. 



Bouteloua oligostacliya (Torr.) 



Bouteloua polystachya. 



Both were collected in Southern California. I do not know if they are 

 of any value or not. 



Pleuraphis rigicla (Thurb.) — Lowland grama. 



Southern California, (Dr. Cooper.) Useful. 



AVENACE^. 



Aira elongato (Hook.) — Elongated hair grass. 



Moist places; Oakland hills, San Francisco. Does not seem to be 

 eaten by cattle. April ; annual. 



Aira dantlionioides (Trin.) 



Moist meadows; Oakland, where it forms a large portion of the main 

 bulk in some meadows; in others it occurs very sparing!}'-. It is also 

 rather common in the meadows of the Eussian River Valley. It surely 

 will not yield a large bulk of hay. April; annual. 



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