S8 43, Ophinrus. 10. GUAMINEiE. PL end. ph. 



Fields and meadows near the sea; annual; August. 



Culm rather compressed, very smooth, shining, kneed, 

 procumbent at bottom; leaves spreading, short, smooth on 

 the back; sheaths rather tumid, compressed ; lignUi very 

 short, truncate ; spike and rachis smooth ; spathdles when 

 in full flower patent, nearly equal, 3-ribbed ; outer spalhtlle 

 larger, 1 -ribbed. 



2. Ophiurus erectus. Upright snaketail. 



Spike round, subulate, rather compressed, upright ; spa^ 

 ihelles 2, swordshape, 1-flowered; Jiowrai awnless; leaves 

 channelled, subulate. 



Rottbollia erecta, Snii Giorn. Pis. 4, 230. 

 Rottbollia filiformis, TViUd. S. P. 1,464. 

 Rottbollia incurvata 0, Be Cand. Syn. FL Fr. 1653. 



Fields near the sea ; perennial? August. 



III. 44. HORDEUM. Theophrastus. Bere. 



Locusice 3 in each tooth of the rachis, 1-flowered, all the 

 florets fertile; spathelles 2, awlshape; louer spathtltule 

 bristle pointed; j/pper spathelkde not nicked, rather ob- 

 tuse; lodicide blunt, not nicked, smooth ; ovanj bearded at 

 the tip ; stigmata villose; cariopsis husky, furrowed. — Rachis 

 jointed, toothed, spiked ; spike not branched. 



Cultivated largely for malting, especially in Scotland. 



1. Hordeiim hexasticluim. Six-row here. 



Seeds disposed in six rows. 



Hordeum polystichum hyberiium, Rait Syn. 388, 3, confounded -with 

 hordeum tetrabtichura. 



Hordeum hexastichoii, Lin S. P. 125. 



Jlordpum vnlgare /S, Lam. FL Fr. 623. 



Full Q-sided big or bere. Mound barley. Winter barley. Greek barley. 



Cultivated, sown in autumn; biennial; June and July. 



Root and leaves like hordeum distich um ; culm 3 feet 

 high; spike cylindrical, nearly erect; beards more than 

 twice as long as the spikes; cariopsis spread out. 



Used as food lor horses in warm countries, and for 

 malting. 



2. Hordeum tetrastichum. Four-row lere. 

 Seeds in four rows. 



Hordeum polyslichuni, Raii Syn. 388, 3 ; Park^ 1130. 

 Hordeum jxtlysticlium veruum, Ger. em, 70. 

 Hordeum vuljijarc, Lin. S. P. 125. 

 Triticum vulgare, Salis. Prod. 27, 

 Se/uarc Barley. Big. Bear. 



