554: MISC. PUBLICATION 200, U. S DEPT. OF AGRICULTURE 



some of them slightly lobed and not 

 tapering to the base, the spikelets 6 

 to 6.5 mm. long. 



6. Phalaris angusta Nees ex Trin. 

 (Fig. 802.) Annual; culms 1 to 1.5 m. 

 tall; panicle subcylindric, mostly 6 to 

 15 cm. long, about 8 mm. thick; 

 glumes 3.5 to 4 mm. long, narrow, 

 abruptly pointed, the keel scabrous 

 and narrowly winged toward the sum- 

 mit; fertile lemma ovate-lanceolate, 

 acute, appressed-pubescent, 3 mm. 

 long; sterile lemmas about one-third 

 as long. O — Open ground at low 

 altitudes, Mississippi, Louisiana, and 

 Texas; Arizona and California; south- 

 ern South America. 



Figure 800. — Phalaris minor. Plant, X 1; glumes and 

 floret, X 5. (BaU 1932, Calif.) 



gon. A few specimens from the Pacific 

 coast are relatively robust, up to 80 

 cm. tall, with panicles 3 to 8 cm. long, 



Figure 801. — Phalaris caroliniana. Plant, X 1; 

 glumes and floret, X 5. (Hitchcock 1074, Miss.) 



Figure 802. — Phalaris angusta. Plant, X 1; glumes 

 and floret, X 5. (Suksdorf 32, Calif.) 



7. Phalaris lemmoni Vasey. (Fig. 

 803.) Annual; culms 30 to 90 cm. tall; 

 panicle 5 to 15 cm. long, subcylindric 

 or lobed toward base, often purplish; 

 glumes about 5 mm. long, narrow, 

 acuminate, scabrous, not winged on 

 the keel; fertile lemma ovate-lanceo- 

 late, acuminate, 3.5 to 4 mm. long, 

 brown at maturity, appressed-pubes- 

 cent, except the acuminate tip, sterile 

 lemmas (1 or 2) less than one-third 

 as long. O — Moist places, at low 

 altitudes, in the coastal valleys, cen- 

 tral and southern California. 



