171 



BROMUS DIANDRUS. 



CURTIS. PARNELL. HOOKER AND ARNOTT. SMITH. 



KNAPP. G-RAVES. SINCLAIR. BABINGTON. EEICHENBACH. 



RALFS. DEAKIN. 



PLATE LVII. B. 



Bromus Madritensis, LINNJSUS. WILLDENOW. 



" " SCHRADER. HOST. KoCH. 



" " WITHERING. MACREIGHT. 



" " KUNTH. 



" gynandrus, ROTH. 



" rigidus, ROTH. 



" muralis, HUDSON. 



" ciliatus, HUDSON. 



Festuca Madritensis, DESFONTAINES. 



The Upright Annual Brome-Grass. 



Bromus Food. Diandrus ? 



A HARE species, growing chiefly on rocks and walls, and on 

 dry soils. 



In England it occurs in the counties of Devon, Somerset, 

 Gloucester, Hampshire, Surrey, Kent, "Worcester, and Durham. 

 In Scotland it has been found on the Fifeshire coast, and 

 near Edinburgh. Abroad it occurs in France, Italy, Germany, 

 and Switzerland. 



Stem upright, circular, and polished, having three or four 

 flat, linear, acute, hairy leaves, with striated sheaths. Upper 

 sheath downy, having a short, blunt, ragged ligule; lower 

 sheath hairy, the hairs pointing downwards. Joints four, 

 smooth. Inflorescence racemed. Raceme upright and compact. 



