512 
98. GEAMINE^. 
reaching the tip. Lower pale of our plant often awned 
[/. littoraie (Host)]. Producing erect barren leafy clustered 
shoots. [)3. T. pycnanthum (Godr.); spike sliorter and denser, spikelets 
much compressed, t;L and lower pale obtuse.] — Sea-shoreS. P. VII. 
E. I. 
5. T. acutum (DC.) ; spike rather lax, f//. u-ith 5 — 7 slender 
elevated ribs blunt or apiculate not exceeding S of the 5 — 8-fl. 
spikelet, lower pale blunt mucronate. axis down}', rachis smooth 
or slightly rough at the angles not brittle. 1. flat or with involute 
edges the many thick closely placed rihs rough inth minute sharp 
scattered points (asperous) above, soboliferous. — Sy.E.B. 1812. 
T. laxumYi. Agrop}/ro7i(Ji. dcS.). — St. prostrate or ascending. 
Ribs of the 1., on each of which there is usually a deciduous row 
of hairs, not so completely 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. YII. VIII. E. S. I. 
6. T. juiiceum (L.) ; spike rather loose, <//. with 9 — 11 sleruler 
scarcely elevated, ribs blunt equalling at least 5 of the 4 — 8-11. 
spikelet smooth on the keel, lower pale blunt rarely mucronate, 
axis smooth or slightly downy, ?-acAis6?-«V</e smooth, 3. involute 
with many thick ribs u-ith niitch spreading hair above, soboli- 
ferous. — E. B. 814. P. 63. Agropyron (Beauv.). — St. pros- 
trate. The short hairs 011 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 barren leafy shoots. — Sandy 
seashores. P. VII. VIII. E. S. I. 
47. El'ysius Linn em. All. 
1. E.arendrius (L.); spike upright close,rachisflatnotwinged, 
gl. lanceolate downy not longer than the spikelets. — E. B. 1672. 
P. 64. — Closely resembling Psamiao. arenaria, but readily 
distinguished by its broad 1. and short ligule. Soboliferous. 
St. 3—4 feet high.— Sandy sea-shores. P.\ll. E. S. I. 
[E. geniculntus (Curt.) ; spike 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 Gravesend. Mr Dickson 1 P. Vll.] E. 
