59o 



GRAMfNE^E 



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

 high, 1 sided; spikelets reddish or purplish, rather far apart, 

 solitary in the notches of the rachis, 1 -flowered; outer glumes 

 absent ; flowering glume shortly awned ; stamens 3 ; style 1 . — 

 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, July. Perennial. 



48. Hordeum (Barley). — Spikelets 2 or 3 together in each 

 notch of a simple rachis, sub-sessile, 

 distichous, with their broad sides towards 

 the rachis, each with one perfect flower ; 

 outer glumes and flowering glumes awned. 

 (Name, the Classical Latin name.) 



1. H. europceum (Wood Barley). — 

 Stems 1 — 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 ; 

 spikelets 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 ; flowering 

 glume terminating in a long awn. — 

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

 July, August. Perennial. 



2. H. nodosum (Meadow Barley). — 

 Creeping ; stems very slender, ascending, 

 1 — 2 feet high ; leaves rather narrow ; 

 spike 1 — 3 in. long, close, cylindric 

 compressed, inclined, yellow - green ; 

 spikelets 3 in each notch, the central 



one with a perfect flower, the two lateral ones imperfect ; glumes 

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

 Moist pastures ; frequent. — Fl. June, July. Perennial. 



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

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

 narrow, rough ; spike dense, cylindric, compressed, 1 — 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-like glumes. — Waste places ; common. 

 — Fl. June, July. Annual. 



h6rdeum murinum 

 (Wall Barley). 



