436 98. (JEAMiNEai. 



whicli there is usually a deciduous row of liaira, not so com- 

 pletely hiding the intervening hollows as in Sp. 3. Gl. keeled ; 

 keel often with forward bristles, reaching the tip or forming a 

 slight mucro. Lower pale rarely shortly awned. Producing 

 decumbent and ascending, barren, leafy, clustered shoots. — 

 Sandy sea-shores. P. Vn. Vm. E. S. I. 



5. T.jun'ceum. (L.) ; spike rather loose, gl. withQ — 11 slender 

 scarcely elevated ribs blunt equalling at least f of the 4 — 8-fl. 

 spikelet smooth on the keel, lower pale blunt rarely muoronate, 

 axis smooth or slightly downy, rachis hrittle smooth, 1. involute 

 with many thick ribs with much spreading hair above, soboli- 

 ferous. — E. B. 814. P. 63. — St. prostrate. The short hairs on 

 the ribs of the 1. spread so as to cover the interm. spaces. Rachis 

 easily separating above each spikelet. Gl. rounded or truncate 

 at the tip ; ribs not reaching the tip. Producing decumbent 

 bai'ren leafy shoots. — Sandy sea-shores. P. \'H. VIII. E. S. I. 



[ T. oristdtum (Schreb.) ; spikelets closely imbricate, gl. with a 

 terminal awn, outer pale with an awn about as long as itself, 

 rachis and axis slightly downy, 1. hairy above, st. rough. — E. B. 

 2267. — "On steep banks and rocks by the sea-aide between 

 Arbroath and Montrose." Mr. O. Don. P. VII.] S. 



47. El'tmtjs lAnn. 



1. E. arendrius (L.); spike upright close, rachis flat not winged, 

 gl. lanceolate downy not longer than the spikelets. — E. B. 1672. 

 P. 64. — Closely resembling Psamma arenaria, but readily di- 

 stinguished by its broad 1. and short ligule. Soboliferoua. St. 

 3 — 4 feet high.— Sandy sea-shores. P. VII. E. S. I. 



[_E. geniculdtus (Ourt.) ; spike lax, rachis winged, gl. awl- 

 shaped glabrous longer than the spikelet. — E. B. 1586. P. 131. 

 — St. 3 — 4 feet high. Spike I — 2 feet long, usually remarkably 

 bent downwards at the second or third spikelet. — In a salt 

 marsh near Gravesend. Mr. Dickson \ P. VII.] E. 



48. Hoe'dbum Linn. Barley. 



1. H. syhat'icum (^Huds.) ; gl. all awlshaped not ciliate rough, 

 lateral fl. perfect, middle fl. often barren, lower pale with an 

 awn of twice its length. — P. 130. Elymus europcms Linn., Sm., 

 E. B. 1317.— About 2 ft, high. Spike subcylindrical. Middle 

 il., if barren, with shorter gl. having involute edges, thus ap- 

 pearing setaceous. The spikelets have a second fl. occasionally. 

 — Woods and thickets on a calcareous soil, rai-e. P. VII. VIII. 



e! 



2. H. praten'se (Huds.) ; gl. all setaceous not ciliate rough, 

 lateral fl. imperfect, lower pale of fertile middle fl. with an awn 



