GRAMINE.K 239 



Pale minutely ciliate on the ribs. Styles terminal. Nut furrowed, adhering to 

 the pale. Sheaths of the leaves divided to the base. The following and 

 perhaps others occur: F. pratensis//w<fi., F. FenasLagasca, F. spadicea L. 

 (on mountain and Alpine pastures), F. rubra L. (very variable), F. hetero 

 phylla Lamk. (in mountain woods), F. ovina L., and F. duriuscula L. 



BROMUS L. BROME. 



Spikelets panicled or racemed, many flowered ; lower i-veined, upper 3-5 

 veined. Flower lanceolate, compressed. Fertile glume with a long awn. Styles 

 below top of ovary. Nut furrowed, adhering to the pales. Sheaths of leaves 

 divided half way down. The following species occur, some of them being very 



getty grasses: B. erectus Huds. = B. ramosus Huds., B. asper Murr., 

 . tectorum L., B. sterilis L., B. maximus Desf., B. rubens L., B. 

 madritensis L. (very common), B. secalinus L., B. arvensis L., and B. 

 patulus Mert. et K. (these three rare, in fields), B. commutatus 

 Schrad., B. mollis L., B. molliformis Lloyd, B. intermedius Guss., 

 B. machrostachys Desf., and B. squarrosus L. The nine last species are 

 now usually put in the genus Serrafalcus Par I. 



HORDEUM L. BARLEY. 



Spikelets in threes, sessile, often partially barren. Glumes 2, ending in long 

 bristles ; i perfect flower and a stalk-like rudiment. H. murinum L., H. 

 marinum Huds. ( = H. maritimum With.), H. secalinum Schreb., and 

 H. bulbosum L. may be found. 



ELYMUS L. LYMK-GRASS. 



Spikelets 2 or 3 together, sessile. Glumes 2, both on the same side of the 

 spikelet, without awns or bristles, with 2 or more perfect flowers. 



E. Caput Medusae L. occurs sometimes in sandy places ; and E. euro- 

 peeus L. in mountain woods. 



/EG I LOPS L. 



Spikelets 2-4 flowered, of which i or 2 at the top are rudimentary. Glumes 

 placed rather obliquely ; these and the fertile glumes herbaceous, turgid, ending 

 in several stout bristles. All annual. 



/E. ovata L. Spike ovoid. Spikelets 3-5. Glumes with 4 or 5 awns. 

 Awns sharp and rough from the base, nearly equal. Fertile glume 2-3 awned. 

 Borders of fields and roads and waste places, very common. May-June. 



/E. macrochffita Shuttle, et Hitet. A rather larger species than the last, 

 with more oblong spike and 2-3 spikelets. Awns rough from the base. A 

 rudimentary spikelet at base of the spike. 



Road-sides and stony slopes of hills in the Var. May-June. 



>E. triaristata Willd. Spike cylindrical, narrowed at top. Spikelets 

 about 4. Glumes with 3 awns nearly equal and without prickles at base. 

 Fertile glume with i or 2 short awns. 



Borders of fields and roads in the littoral. May-July. 



AS,, triuncialis L. Spike cylindrical, 4-6 flowered. Lower glume with 2, 

 upper with 3 awns. Awns of terminal spikelets much longer than the others. 

 Fertile glume with i or 2 short awns. 



Same localities as the last, but much commoner. May-July. 



TRITICUM L. 



Spikelets solitary, sessile, many flowered. Glumes 2, opposite, nearly equal, 

 their edges towards the rachis. Pale minutely ciliate on the ribs. The 

 following species occur : T. caninum /... T. repensL., T. pungens Pers., 

 T. acutum DC. (sea-sands), T. junceum L. (sea-sands), T. littorale Host., 

 and two or three others. 



