S90 



GRAMfNE.B 



with fine, stiff, bristle-like leaves ; spike erect, slender, i — 3 in. 

 high, I sided ; spihelcts reddish or purplish, rather far apart, 

 solitary in the notches of the rachis, i-flowered; outer glumes 

 absent; floiaerins, glume shortly awned ; stamens 3; style i. — 

 Heaths; common. (Name from the Greek nardos, some strong- 

 smelling plant ; but why applied to this scentless grass it is 

 difficult to say.) — Fl. June, Jul)'. Perennial. 



4S. HoRDEU.M (Barley). Spikclets 2 or 3 together in each 

 notch of a sunple rachis, sub-sessile, 

 distichous, with their broad sides towards 

 the rachis, each with one })erfecl flower ; 

 outer glumes and flowering glumes awned. 

 (Name, the Clas.^ical I^atin name.) 



1. //. curopi'eum (Wood Barley). — 

 Stems I — 3 feet high, erect, smooth ; 

 leaves broad, flat, thin, rough, with 

 reflexed hairs on sheaths ; spike cylin- 

 dric, not very dense, about 3 in. long ; 

 s pikelets 3 together ; flowers of the two 

 lateral spikelets in each notch perfect, 

 the central spikelet reduced to two 

 narrow, linear glumes, empty, or rarely 

 containing a staminate flower ; floweriiig 

 glume terminating in a long awn. — 

 Woods, on a calcareous soil ; rare. — Fl. 

 |uly, August, l-'erennial. 



2. H. undosniii (Meadow Barle\'). — 

 Creeping ; stems i'ury slender, ascending, 

 T — 2 feet high; leaves rather narrow; 

 splice I — 3 in. long, close, cylindric 

 compressed, inclined, yellow - green ; 

 sptkelcis 3 in each notch, the central 



one with a perfect flower, the two lateral qnes imperfect : glumes 

 all bristle-like, rough, with awns not longer than themselves. — 

 Moist pastures; frequent. — Fl. June, July, l^erennial. 



3. H. murinum (Wall Barley). — A rather coarse grass ; root 

 fibrous; slem ascending, 6 — 18 in. high, smooth ; leaves small, 

 narrow, rough ; spike dense, cylindric, compressed, i — 3 in. long, 

 slightly nodding, green, thickly beset with long, rough awns : 

 spikelets 3 in each notch, the central one with a perfect flower 

 and linear-lanceolate, ciliate glumes, the two lateral ones with 

 imperfect flowers and awn-likc glumes. — \\'aste places ; common. 

 — Fl. June, Jul)'. Annual. 



HORDEU.'M MUKINUM 



(lla/i BarL-y). 



