MANUAL OF THE GRASSES OF THE UNITED STATES 



361 



8 mm.; anthers 1 mm. long. © — 

 Wet places, along the Columbia 

 River, Washington and Oregon; Cali- 

 fornia (Colusa County). 



Alopecurus creticus Trin. Annual, 

 10 to 40 cm. tall; panicle dense; spike- 

 lets wedge-shaped, 4 mm. long; 

 glumes firm, the keels broadly winged 

 toward the summit, ciliate; lemma 

 truncate, the awn from near the base. 

 Waif, ballast, Philadelphia, Pa.; Eu- 

 rope. 



Alopecurus rendlei Eig. Annual; 

 culms 15 to 30 cm. tall, geniculate; 



Figure 503. — Alopecurus alpitius. Panicle, X 1; 

 glumes and floret, X 10. (Hall and Harbour 682, 

 Colo.) 



^ 



Figure 505. — Alopecurus aequalis. Panicle, X 1; 

 glumes and floret, X 10. (Fernald, Maine.) 



V / 



Figure 506. — Alopecurus geniculatus. Panicle, X 1; 

 glumes and floret, X 10. (Weatherby 3394, Mass.) 



Ill 



;i I 1 ff *^vSZZ%£ upper sheaths inflated; panicle 1.5 to 

 \ \\i Iff icie, x l; glumes and 2 cm. long, 7 to 9 mm. wide; spikelets 



W floret, X 10. (Piper °> . , v j 



4208, wash.) 5 to 6 mm. long, almost diamond- 



shaped, the glumes inflated-gibbous 



