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TRIODIA DECUMBENS. 



BEAUVOIS. HOOKER AND ARNOTT. PARNELL. KOCH. 



LINDLEY. BABINGTON. B-EICHENBACH. DEAKIN. SINCLAIR. 



SMITH. RALFS. 



PLATE XLT. A. 



Poa decumbens, J. E. SMITH. HULL. WITHERING. 



" " GREVILLE. HOOKER. KNAPP. 



" " SCHRADER. HOST. 



Festuca decumbens, LINN.EUS. WILLDENOW. HUDSON. 



" " OEDER. LEERS. EHRHART. 



" " DICKSON. EELHAN. ABBOTT. 



DantJionia decumbens, DE CANDOLLE. KUNTH. MACREIGHT. 



Melica decumbens, WEBER. 



The Decumbent Heath Grass. 



Triodia Three teeth. Decumbens Decumbent. 



TRIODIA. Brown. Known as the Heath Grass. Only a solitary British 

 example, the Triodia decumbens, which is common on our moors and 

 mountains. The name is derived from the Greek. 



A COMMON species, growing both on wet land and dry 

 mountains, to an elevation of one thousand feet. Of but little 

 agricultural interest. 



Found in Scotland, England, Ireland, France, Italy, Swit- 

 zerland, Turkey, Greece, Germany, Spain, Portugal, Prussia, 

 Norway, and Sweden. 



Stem circular, smooth, and striated, having three or four 

 narrow linear leaves, with slightly, hirsute sheaths, upper one 



z 



