92 TRIANDRIA— DIGYNIA. Am-ostis 



B" 



bristly. Fl. erect, pale purplish. Cal. of 2 unequal, long and 

 tapering, keeled, scarcely awned, valves, rough at the edges and 

 keel, downy all over. Outer valve of the corolla lanceolate, 

 shorter than the calyx, with a rough twisting awn from near the 

 bottom, twice the length of the valve ; inner very small, oblong, 

 about equal to the germen. Anth. purplish, deeply cloven at 

 each end, prominent. Styles distinct. 

 Very different from A. alpina of Willdenow, Sp. PL v. 1.368, which 

 is Mailer's Avcna n. 1477 j as well as from his rupestris, Mailer's 

 n. 1478. 



** Generally without awns. 



4. A. vulgaris. Fine Bent-grass. 



Panicle spreading; with divaricated, capillary branches. 



Calyx-valves nearly equal. Stem erect. Stipula abrupt, 



very short. 

 A. vulgaris. With. 132. Fl. Br. 70. Engl. Bot. v. 24. t. 1671 . 



Knapp t. 26, # *. 1 15. Relh. 27. Hook. Scot. 25. Sincl. 143. 



Schrad. Germ. v. 1. 206. L 2.f. 3. Hoffm. Germ, for 1800. 36. 



t.7. 

 A. hispida. Willd.v. 1.370. 

 A. tenuis. Sibth. 36. 



A. capillaris. Abbot 14. Roth Germ. v. 2. 85. 

 A. polymorpha a. Huds. 31. 



A. stolonifera. Leers 20. t. A.f. 6. Ehrh. Calam. 71 . 

 Poa n. 1475. Hall. Hist. v. 2. 226. 

 Gramen miliaceum, locustis minimis, panicula fere arundinacea. 



Raii Syn. 402. 

 /S. Fl. Br. 80. Schrad. Germ. v. 1. 206. t. 3./. 1. 

 A. canina. With. 127. 

 y Fl. Br. 80. Schrad. Germ. v. 1. 206. 

 A. pumila. Linn. Want. 1. 31. Willd. v. \. 37\. Light/. 1081./. 



in title of v. 2, bad. Dicks. H. Sicc.fasc. 18. 3. Ehrh. Calam. 105. 

 Gramen minimum palustre, panicula spadicea delicata, tenuifolium, 



semine exiguo rotundo. Scheuchz. Agr. 131. 



8. Fl, Br. 80. With. 133. var. 3. 



A. vulgaris s. Schrad. Germ. v. 1. 207. t. 2.f. 4. 



In meadows, pastures, waste ground,, and the borders of fields, 

 every where. 



Perennial. July, August. 



Root tufted, strong, somewhat creeping. Stems 12 — 24 inches 

 high ; in y 2 — 4 inches only ; erect or ascending, leafy, slender, 

 striated, smooth to the touch ; their lowermost joints often 

 throwing out roots. Leaves linear, narrow, taper-pointed, rather 

 spreading, rough on both sides, with long, striated, smooth 

 sheaths. Stipula extremely short and abrupt, by which, as Pro- 



