163 



BKOMUS SECALINUS. 



Smith. Hookee and Abnott. Koch. Lindley. Paenell. 



Hull. Willdenow. Knapp. Scheader. Host. Ehbhabt. Leers. 



Eelhan. Abbot. Macbeight. Kunth. Ealfs. 



PLATE LIV. 



Serrafalcus secalinus, 

 Bromus velutinus, 

 " multiflorus, 

 " polymorphus, 

 " vitiosus, 



Babington. 



Smith. 



Smith. 



Hudson. Withebing. 



Weigel. 



The Smooth Rye Brome-Grass. 



Bromus — Food. 



Secalinus — Eye. 



A somewhat common Grass, growing in corn-fields, and a 

 useless somewhat troublesome weed. 



Native of England, Scotland, Ireland, France, Italy, Norway, 

 Germany, Sweden, and West Asia. 



Stem upright, circular, smooth, and striated, carrying four or 

 five flat, soft, linear, pointed leaves, with striated sheaths, the 

 upper sheath having an obtuse, ragged, membranous ligule at 

 its apex. Lower sheaths soft and hirsute. Joints five. Inflo- 

 rescence racemed or simple-panicled. Panicle upright, branches 

 harsh. Spikelets ovate, yellowish green, mostly of seven awned 

 florets, the apex of the large glume being half-way between the 

 apex and base of the second floret. Calyx consisting of two 

 almost equal, broad glumes, with membranous margins; upper 

 half of the keel dentate. Inner glume seven-ribbed; outer 

 glume, which is smaller, three-ribbed. Florets of two palea?, 



2 c 



