MANUAL OF THE GRASSES OF THE UNITED STATES 



365 



ditches, Arizona (Santa Rita Moun- 

 tains); Mexico to Argentina. 



78. LYCtJRUS H. B. K. 



Spikelets 1-flowered; glumes awned, 

 the first usually 2-awned; lemma 

 narrow, firm, longer than the glumes, 

 tapering into a slender awn. Slender 

 perennial, with grayish, bristly spike- 

 like panicles, the spikelets borne in 



Figure 511. — Polypogon maritimus, X 10. (Hansen 

 607, Calif.) 



X 





X 



Figure 513. — Polypogon australis, X 10. (Suksdorf 

 10091, Wash.) 



Figure 512. — Polypogon interruptus. Panicle, X 1; 

 glumes and floret, X 10. (Hitchcock 2686, Calif.) 



Figure 514. — Polypogon elongatus. Glumes and floret, 

 X 10. (Silveus 3488, Ariz.) 



pairs, the lower of the pair sterile, 

 the two falling together. Type species, 

 Lycurus phleoides. Name for Greek 

 lukos, wolf, and oura, tail, alluding 

 to the spikelike panicles. 



1. Lycurus phleoides H. B. K. 

 Wolftail. (Fig. 515.) Culms densely 

 tufted, 20 to 60 cm. tall, compressed, 

 erect or decumbent at base; blades 

 flat or folded, 1 to 2 mm. wide, those 

 of the culm mostly less than 10 cm. 

 long; panicle 3 to 6 cm. long, about 

 5 mm. thick; spikelets including awns 

 about 5 mm. long, the glumes shorter 

 than the lemma, the first 2- or 3- 



