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one side of the simple flattened branches, 
which are digitately clustered at the top of the 
culm.—@©. Common. Summer. 
Probably introduced from Europe. 
2. P. aGRosromEs Spreng. Spikelets dis- 
posed in panicles; panicle elongated, racemose. 
2¢. San Jose. Summer. 
3. P. capm~arE L. Panicle diffuse and 
spreading; spikelets scattered, disposed in 
panicles and pointed.—@©. San Francisco. 
Summer. 
4. P. picnotomum L. Panicle diffuse and 
spreading. Spikelets scattered, disposed in 
panicles and obtuse.—©. Marin County. 
Summer. ; 
5. P. cruseattt L. Spikelets crowded on 
the secund, spikelike branches of the panicle. 
©. Common. Summer. 
Introduced from Europe. 
2.’ Phleum L. Timoruy. 
Spikelets l-flowered, 3. Glumes 2; aristate; 
the upper palet sometimes bearing at its base 
the rudiment of a second flower. Leaves flat- 
tened. Panicles spikelike. 
1. P. pratense L. Awn shorter than its 
glume.—2/. Common. Summer. Native of 
Europe. 
2. P.-auprnum L. Awn about as long as its 
glume.—2f. San Francisco. Summer. 
18a 
