BROMUS SECALINUS. 163 



BROMUS SECALINUS. 



SMITH. HOOKER AND ARNOTT. KOCH. LINDLEY. PARNELL. 



HULL. WILLDENOW. KNAPP. SCHRADER. HOST. EHRHART. LEERS. 



RELHAN. ABBOT. MACREIGHT. KUNTH. RALFS. 



PLATE LIV. 



Serrafalcus secalinus, BABINGTON. 



Brormis velutinus, SMITH. 



" multiflorus, SMITH. 



" polymorphus, HUDSON. WITHERING. 



vitiosus, WEIGEL. 



The Smooth Rye Brome- Grass. 

 Bromus Food. Secalinus Rye. 



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

 ~L\. useless somewhat troublesome weed. 



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

 many, 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. Inflorescence 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 palese, exterior one of 

 basal floret oval, seven-ribbed, the dorsal rib ending in a rough awn. 



Inner palea linear oblong, having two green marginal ribs fringed 

 with colourless hairs. 



