APPENDIX. 367 



elongateil, much contracted, and 8i)iciform. Spikelets S-lO-flowcred, '.) lines long, and Hcarcely 

 half a line wide. 



Festuca. Kern River. This I liave not received before, and it is not described as a North 

 American Festuca. It mar, however, be a Chilian species, and I regret not having the means 

 of determining it at present. It is a tall grass, with Hat smooth glaucous leaves, and a long 

 contracted panicle. Tlie spikelets are about 10-flowered. Glumes very unequal ; the upper one 

 much longer, and abruptly mucronate at the tip. Lower palea hairy on the margin toward the 

 base, bifid at the tip. with a short straight bristle between the teeth. Upper palea much 

 smaller. 



Phr.\omites communis, Linn. Warm Springe, Cohuillas. 



Elymus ARENARius, Linu. Posa creek ; August. This occurs also in other parts of California, 

 but is not found on the eastern side of the continent. 



Panicum Crus-Galli, Linn. Var, Setaria Californica, Kellogg, in Proceed. Calif. Acad. Nat. 

 Sc. p. 27? Kern River. This is a very tall form. The panicle consists of numerous approxi- 

 mated appressed branches, forming a dense spiciform inflorescence. The flowers are awnless ; 

 the inferior glume short and very broad, with a minute abrupt point. Dr. Kellogg's plant was 

 found at the head of the Sacramento "Valley. 



Paxiclm capillare, Linn. With the last. It agrees with the Eastern grass, and it may be 

 an introduced species in California. 



