TRIODIA DECUMBENS. 131 



TRIODIA DECUMBENS. 



BEAUVOIS. HOOKER AND ARNOTT. PARNELL. KOCH. 



LINDLEY. BABINGTON. REICHENBACH. DEAKIN. SINCLAIR. 



SMITH. RALFS. 



PLATE XLI. A. 



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



" GREVILLE. HOOKER. KNAPP. 



" " SCHRADER. HOST. 



Festuca decumbens, LINN^US. WILLDENOW. HUDSON. 



" " OEDER. LEERS. EHRHART. 



" DICKSON. RELHAN. ABBOT. 



Danthonia 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, 

 -L- to an elevation of one thousand feet. Of but little agricultural 

 interest. 



Found in Scotland, England, Ireland, France, Italy, Switzerland, 

 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 shorter than its 

 leaf, and bearing at its apex a tuft of hairs instead of a ligule. Leaves 

 smooth, except near the apex, where very rough. Joints smooth. 

 Inflorescence simple -panicled. Panicle consisting of few spikelets. 



