80 TRIANDRIA— DIGYNIA. Alopecurus. 



Perennial. May. 



Root fibrous. Stems from Ji to 3 feet high, smooth, leafy. 

 Leaves a little glaucous, nearly smooth, fiat ; upper ones more 

 rough, very short, with long, furrowed, slightly swelling sheaths. 

 Stipula short, obtuse, scarcely downy. Spike but partially 

 panicled, though most of the flowers are stalked, 2 inches long, 

 thick, soft, of a silky hoary aspect. Calyx-glumes combined at 

 the lower part. Cor. folded, nearly as long, with .5 green ribs, 

 and a prominent dorsal awn. ^nth. prominent, yellow. Styles 

 entirely united. Stigm. separate, about as long, slender, fea- 

 thery. Seed ovate. 



An excellent grass for pasturage, being early, plentiful in produce, 

 and grateful to cattle in general. 



2. A. alpinus. Alpine Fox-tail-grass. 



Stem erect, smooth. Spike ovate, somewhat panicled. 

 Calyx-glumes woolly, obliquely abrupt, nearly as long as 

 the awn of the corolla. 



A. alpinus. Engl. Bat. v. 16. 1. 11 26. Fl. Br. 1386. Camp. 12. 



Hook. Scot. 22. Don H. Brit. 4. 

 A. ovatus. Knapp t. \^ 1 wanting awns. 



On the loftiest mountains of Scotland. 



On the mountains about Loch ne gare, Aberdeenshire, Mr. R. 

 Brown ; who informs me that he communicated it to Mr. G. Don. 



Perennial. July. 



Root somewhat creeping, with many long fibres. Stem about a 

 foot high, bent at the lowest joint, then erect, leafy, smooth. 

 Radical leaves linear, narrow ; those on the stem two, broader, 

 and much shorter, smooth, with very long, smooth, slightly in- 

 flated, pale reddish sheaths, each crowned by a very short abrupt 

 stipula. The dense, spiked panicle is formed of numerous, 

 crowded, compound tufts, or lobes, as in the foregoing species, 

 but is ovate, and not an inch long. Calyx-glumes combined at 

 the base, sloped off at the point, 3 -ribbed, shaggy with long, 

 dense, soft, white hairs. Cor. ovate, acute, folded, keeled, with 

 2 distant green ribs at each side, and a rough dorsal awn, 

 scarcely, if at all, longer than the calyx. Styles short, combined. 

 Stigtnas slender, feathery. 



No foreign author ajjpears to have noticed this sjiecies. 



3. A. agreslis. Slender Fox-tail -grass. 



Stem erect, roughish. Spike racemose, nearly simple, ta- 

 pering Calyx-glumes almost naked, combined at the 

 base, dilated at the keel. 



A. agrestis. Linw. S)). PZ. 89. mild. v. I. 357. Fl.Br.73. Engl. 

 Bot. V. 12. t. 848. Mart. Rust, t. 22. Knapp 1. 16. Hook. 



