446 98. SEAMINEJE. 



47. El'tmus Linn. 



1. E.arendrius(L^\ spike upright close,rachi3flatnot-n'inged, 

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

 p. 64. — Closely resembling Pimnma arenaria, but readily di- 

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

 3_4 feet high.— Sandy sea-shores. P. VII. E. S, I. 



\_E. genicuUtus (Curt.) ; spike lax, raohis 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 Gravesend. Mr. Dichson ! P. VII.] E. 



48. Hoe'detjm Linn. Barley. 



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

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

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

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

 fl., if barren, with shorter gl. having involute edges, thus sp- 

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

 — Woods and thickets on a calcareous soil, rare. 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 

 of about its length.— -E. B. 409. P. 11.— Often 2 ft. high. 

 Spike compressed, erect. Gl. of lateral fl. shorter. — Damp 

 meadows. P. VII. E. S. I. 



3. H. murinum (L.) ; gl. of the middle spilcelet linear-lanceo- 

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

 fect.— J?. B. 1971. P. 10.— Spike often slightly nodding, 

 compressed. Height 12 — 18 in. Awn longer than the lower 

 pale. Lateral gl. sometimes shghtly ciliate. — /3. arenarium 

 (Bab.) ; lower part of the st. buried, lengthened, branched and 

 rooting, thus appearing to creep. — Waste places. /3. Loose 

 sand. B. VI. VIL E.S.I. 



4. a. marit'imum (Wither.) ; gl. rough, inner gl. of the lateral 

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



1205. P. 10. — Spike thick, erect, subterete. — Pastures and 

 banks near the sea. A. VI. E. S. 



49. Lbpiu'eits B. Br. 



1. L. fllifor'mis (Trin.) ; spike cylindrical-subulate^ gl. 2 

 equalling or slightly exceeding the flowers. — Rottboelha Sm., 

 E. B. 760. P. 2.— St. 2—6 in. long. Spike long, slender 



