203 



LOLIUM PERENNE. 



LINN.EUS. HOCKER AND ARNOTT. SMITH. PABNELL. 



DEAKIN. LINDLEY. SINCLAIR. GREVILLE. KOCH. BABINGTON. 



WILLDENOW. KELHAN. KNAPP. MARTYN. G-RAVES. SCHRADER. HOST. 



SCHREBER. LEERS. OEDER. EHRHART. HUDSON. WITHERING. 



SlBTHORP. EjJNTH. MACREIGHT. 



PLATE LXVJI. A. 



Lolium tenue, LINN^US. WILLDENOW. 



" rubrum, GERARDE. 



The Perennial Rye- Grass. 



Lolium Darnel. Perenne Perennial. 



LOLIUM. Linnceus. This genus is known as Bye-Grass. There are 

 three British examples. 



A USEFUL agricultural Grass, and common throughout the 

 whole of Britain. Native also of Lapland, Norway, Sweden, 

 Switzerland, Russia, France, Italy, Spain, Portugal, Germany, 

 United States, Northern Africa, and Western Asia. 



Stem upright, circular, polished, and minutely striated, 

 bearing six or seven lanceolate, acute, flat, deep green leaves, 

 with smooth striated sheaths, the upper sheath extending 

 beyond its leaf, and having a brief blunt ligule at its apex. 

 Joints four or five. Inflorescence spiked. Spike upright and 

 compressed. Spikelets sessile, and arranged alternately in two 

 rows of six to twelve awnless florets. Calyx of one glume, 

 smooth, five-ribbed, oblong-lanceolate, and shorter than the 

 spikelets. Florets of two equal-sized palea3, exterior one of 



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