CRAIIINE.E 



2. T. repeiis (Couch-grass). — Root-slock extensively creeping, 

 long, jointed ; stents solitary, ascending, glabrous, i — 2 feet high, 

 hollow ; leaves at first in\-olute, afterwards flat, flaccid, with 

 numerous slender ribs each with i row of rough hairs above; 



spikelets 1— y-Howered; rachis slender, not brittle ; euiplv illumes 

 acuminate, ^ribbed ; em'iis usually shcift. A \ryy \-ai iablc, 

 common, and troulilesume weed. — l'"l. juiij — August. Perennial. 



3. 7'. lullorum (.Alpine Coueli-grass). -A closely allied lorm, 

 occurring on Ikn Lawers, dilTers in havini^. ils pale 3-toothetl. 



4. T. pihif^ens (,Stirfdea\ed Couch). — Pensely tufted; stej/is 



