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3. Alopecurus L- Foxtail. 

 Spikelet 1-flowered, ^ . Glumes 2, navicu- 

 lar, connate at their base; lower palet carinate; 

 upper wanting. — 21. Leaves flattened. Pani- 

 cles spikelike. 



1. A. PRATENSis L. Culm erect. — Mies. 

 Summer. 



2. A. GENICULATUS L. Culm procumbent, 

 ascending from the lower nodes. — Marin Coun- 

 ty. Summer. 



4. Beckmannia Host. Caterpillar Grass. 



Spikelets 1 or 2-flowered. Flowers ^ , sessile. 

 Glumes 2, navicular; lower palet ovate, 3- 

 nerved, embracing the upper 2-cleft, 2-nerved, 

 one. — 71^ Leaves flattened. Spike sessile; 

 spikelets alternate, sessile, 1-sided, 2-seriate. 



1. B. ERUC^FORMis Host. — Marin County. 

 Summer. 



5. Phalaris L- Canary Grass. 



Spikelets 3-flowered, upper ^ , 2 lower neu- 

 tral, depauperate. Glumes 2, carinate. Palets 

 2, navicular; the lower larger and embracing 

 the upper. Spikelets pedicillate. Leaves flat- 

 tened. 



1. P. Canariensis L. Panicle dense and 

 spikelike; glumes broad with a broad keel. — . 

 Common near houses. Spring. 



