GRAMIN'EjE. 
377 
dark green. — /3. aristatutn ; outer palea with a long awn.— y. te- 
nue ; spikelets few-flowered, 1. slender. L. tenue L. — Sometimes 
the spikelets become converted into branches, occasionally the 
rachis is so much shortened as to form a broad ovate close spike. 
— Common. P. VI. Rye-yrass. 
*2. L. multijiorum (Lam.) ; spikelets 9 — 14-flowered longer 
than the glume, outer palca with a long awn, root annual without 
barren shoots. — R. 1345. L. perenne s. italicum Par. 65. — St. 
numerous, straiyht, in close tufts, l \ — 3 feet high. Number of fl. 
variable. Whole plant, especially the spikelets, paler in colour 
than the preceding. Ligule short, abrupt. — In cultivated fields. 
A. VI. Italian Rye-yrass. E. S. 
3. L. temulentum (L.) ; spikelets about 6-rlowercd equalliny or 
shorter than the ylurne, outer palea as long as its awn. — E. B. 
1124. — St. erect. Root without barren shoots. Ligule short. 
— (S.arvense; fl. 4 — 5 without or with short awns. L. arvense 
With. E. B. 1125.— Cultivated fields. A. VI.— VIII. Darnel. 
46. Elymus Linn. 
1. E. arenarius (L.) ; spike upright close, rachis flat not 
winged, glumes lanceolate downv not longer than the spikelets. 
— E. B. 1672. R. 1360, 1361. ' Par. 64.— Closely resembling 
Ammophila arenaria, but readily distinguished by its structure and 
by the broad 1. and short ligule. St. 3 — 4 feet high. — Sandy 
sea-shores. P. VII. 
2. E. geniculatus (Curt.) ; spike lax bent downwards, rachis 
winged, glumes awlshaped glabrous longer than the spikelets. — 
E. B. 1586. — St. 3 — 4 feet high. Spike 1—2 feet long, remark- 
ably bent downwards at the second or third spikelet. I have 
never seen a specimen. — In a salt marsh near Gravesend. Mr. 
Dickson. P. VII. E. 
[sEgilops ovata (L.) has occurred accidentally on the coast of 
Fife.] 
47. Hordeum Linn. Barley. 
1. H. sylvaticum (Huds.) ; glumes all awlshaped rough, lateral 
fl. perfect, intermediate fl. often barren, outer palea with an awn 
of twice its length. — Elymus europceus Linn., Sm., E. B. 1317. 
R. 1359- — Closely resembling H. pratense. Intermediate fl., if 
barren, with shorter glumes which have their edges involute so as 
to appear setaceous. The spikelets have a second fl. occasionally. 
— Woods and thickets on a calcareous soil. P. VII. VIII. E. 
2. H. pratense (L.) ; glumes all setaceous rough, lateral fl. im- 
perfect, outer palea of the intermediate fertile fl. with an awn of 
about its own length.— E. B. 409. R- 1363. Par. 11.— Glumes 
of the lateral fl. shorter. — Damp meadows. A. VII. 
