CYNOSURUS ECHINATUS. Ul 



CYNOSURUS ECHINATUS. 



LINNAEUS. HOOKER AND ARNOTT. J. E. SMITH. PARNELL. KOTH. 



LINDLEY. BABINGTON. REICHENBACH. DEAKIN. WILLDENOW. 



SINCLAIR. KNAPP. SCHRADER. HOST. HALL. HUDSON. WITHERING. 



HULL. MACREIGHT. KUNTH. RALFS. 



PLATE XLIV. B. 



The Tough Dog s-tail Grass. 

 Cynosurus Dog's tail. Echinatus Covered with prickles; rough. 



A LOCAL, curious, interesting Grass, found in Northumberland, 

 ~L^~- Durham, Lancashire, Kent, and Sussex. 



Native of the Shetland Isles, Jersey, France, Italy, Spain, Portugal, 

 and North Africa. 



Stem circular, smooth, upright, and minutely striated, carrying five 

 flat, broad, tapering, rough leaves, with roughish sheaths; the upper 

 sheath does not extend beyond its leaf, and is furnished at its apex 

 with a lengthy pointed ligule. Joints smooth. 



Inflorescence simple-panicled, crowded; colour silvery green. Panicle 

 one inch in length, and half an inch wide, having brief rough branches, 

 all inclined to one side. Spikelets of three awned florets, having at 

 the base a pectinated involucre. Calyx of two equal-sized glumes, 

 narrow, membranous, destitute of lateral ribs. Florets of two paleae; 

 exterior one of basal floret considerably shorter than the calyx, form 

 ovate -lanceolate, five-ribbed, having a lengthy, slender, rough awn. 

 Length from twelve to eighteen inches. Root annual and tufted. 



Flowers the last week in June, and seeds ripen in August. 



This species, which is of no agricultural value, is very distinct in 

 appearance from the species last described, as will be seen by the 

 illustration, as well as shewn by description. 



The specimen illustrated was gathered at Hough-End, near Man- 

 chester, by Mr. Joseph Sidebotham. 



