IN TENNESSEE. 227 



CHAPTER XIX. 



BROMUS FESTUCA POA ERAGROSTIS EATONIA Di- 

 ARRHENA ELEUSINE MELIOA Gl/VCERIA GYMNO- 

 POGON ARISTIDA STIPA CYNODON BOUTELOUA 



MUHLENBERGIA SPOROBULUS VlLFA ClNNA 



AGROSTIS BROMUS ZIZANIA LEERSIA. 



BROMUS L.--(JBrome Grass.) 



A epikelet 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, L--(CAeo< or Chess). 

 Common in wheat fields^ but too well known. 



BROMUS RACEMOSTJS, L--( Upngto Ctea). 



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

 tke one of the second narrowly contracted in fruit. 



BROMUS MOLLIS, !,--(&>/< Chess.) 



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

 three annuals, adventitious from Europe. Troublesome weeds as they 

 arc 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-& feet high. 

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

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



