Elymus
(from elumos, the old Greek name for a similar grass, used by Hippocrates). Bunch Grass. ORD. Gramineae. A genus of about twenty species of tall perennial grasses, represented in Britain by the Lyme Grass, E. arenarius, a sea-side plant, useful for fixing, by means of its long creeping rhizomes, the moving sand. All are natives of North temperate regions. E. condensatus is described as a vigorous perennial grass, from British Columbia, forming a dense, compact, column-like growth, more than 8ft. in height, covered from the base almost to the top with long arching leaves, and crowned in the flowering season with numerous erect, rigid spikes, each 6 1/2in. long, and resembling an elongated ear of Wheat in form.