IN TENNESSEE. 227 



CHAPTER XIX. 



Bromus — Festuca — Poa — Eragrostis — Eatonia — Dl- 



ARRHENA — ElEUSINE — MeLIGA— GlV CERIA — GYMNO- 



pogon — Aristida — Stipa — Cynodon — Bouteloua — 



MtJHLENBERGIA — SPOROBULUS — VlLFA — ClNNA 



Agrostis — Bromtjs — Zizania — Leersia. 



BROMUS Ii.—{Brome Grass.) 



A spikelet of Bromus Secalimus, (1); a 

 separate flower enlarged, (2). Spikelets 5, 

 many flowered, panicled, glumes unequal, 

 membranaceous, the lower 1-5, the upper 

 3-9 nerved, lower palet either convex on 

 the back or compressed, keeled, 5-9 nerved, 

 awned or bristle - pointed from below; 

 mostly two cleft tip. upper palet at length 

 adhering to the groove of the oblong or linear grain. Stamens three. 



BROMUS SECALINUS, I*~(Cheat or Chess). 

 Common in wheat fields, but too well known. 



BROMUS RACEMOSUS, L--(Dprigftt Ohm). 



Occurs with the above. The panicle of the first is always spreading, 

 the one of the second narrowly contracted in fruit. 



BROMUS MOLLIS, I*-{Soft Chess.) 



Also in wheat fields ; the whole plant soft, downy. They are all 

 three annuals, adventitious from Europe. Troublesome weeds as they 

 are in wheat fields, if sown for themselves, they will make very heavy 

 crops of hay, and will be eaten by cattle. 



BROMUS KALMII, Gray,- 



Is the only indigenous kind. Perennial. Culms 2-8 feet high. 

 Panicle 3 inches long, the branches short and nearly simple, spikelets 

 drooping on capillary peduncles, closely of 7-12 flowered, densely silky 



