TEITICTJM. HOBDEUM. 425 



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

 easily separating- above each spikelet. Gl. roimded or truncate 

 at the tip ; ribs not reaching the tip. Producingdeeumbent 

 barren leafy shoots. — ^^Sandy sea-shores. P. VII. VIII. E. S. I. 



[_T. cristdtum (Sclireb.) ; spikehts closely imhricate, gl. with a 

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

 rachis and axis slightly downy, 1. hairy ^bove, si. rough. — E. B. 

 S267. — ''On steep banks and rocks by the sea-side between Ar- 

 broath and Montrose." Mr. G. Don. P. VII.] §. 



47. El'ymtts Linn. 



1. E.aren&riu8(h.); spikeupright 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-r 

 stinguished bv its broad 1. and short ligule. Soboliferous. St. 

 8—4 feet high.— Sandy sea-shores. P. VII. E. S. L 



2. E. geniculdtua (Curt.) ; gpike lax, rachis winged, gl. awl- 

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

 ■ — St. 3 — 4 feet high. Spike 1 — 2 feet long, usually remarkably 

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

 near Grayesend. Mr. Dickson. P, VJl. E. 



48. Hok'dbfm Linn. Barley. 



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

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

 awn of twice its length. — P. 130. Mynrns eurapcsus Linn., Sm., 

 E. B. 1317.— About 2 ft. high. Middle fl., if barren, with 

 shorter gl. having involute edges, thus appearing setaceous. The 

 spikelets have a second fl. occasionally. — -Woods and thickets 

 on a calcareous soil. P. VII. VIII- E. 



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

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

 of about its length.— ^. B. 409. P. 11.— Often 2 ft. high. Spike 

 erect. Gl. of lateral fl. shorter. — Damp meadows. P. VTL 



E. S. I. 



.3. H. miirinum (L.) ; gl.ofthe middle pikelet linear-lanceo- 

 late ciliate, of the lateral ones setaceous rough, lateral fl. imper- 

 fect.— -B. 5. 1971. P. 10.— Spike often slightly nodding. Height 

 12 — 18 in. Awn longer than the lowerpale. Lateral gl. some- 

 times slightly ciliate. — -^. drenarium (Bab.) ; lower part of the 

 St. buried, lengthened and rooting, thus appearino^ to creep.-^ 

 Waste places. 0. Sands on the sea-shore. A. VI. VII. E. S. I. 



4. H. maritHmum (Wither.) ; gl. rough, inner gl. of the lateral 

 fi. half-ovate the rest setaceous, lateral fl. imperfect. — E. B. 



