102 TRIANDRIA— DIGYNIA. Aha. 



A. aquat\ca. Linn. Sp.Pl.9D. TVilld. v. 1.376. Fl. Br. 84. Engl. 



Bot.v. 22.1.1557. Curt. Lond.fasc.l. t.5. Knapp t. 29. Hook. 



Scot. 29. Schrad. Germ. v. 1. 256. Host Gram. v. 2. 30. t. 41 , 



Fl. Dan. t.38l. Ehrli. Calam. 4. 

 Poa dulcis. Salisb. Pr. 20. 

 P. n. 1471. Hall. Hist. v. 2. 225. 

 Gratnen paniculatunij aquaticum miliaceum. Vaill. Par. 89. t. 17. 



/•7. 

 G. miliaceum aquaticum. Raii Syn. 402. Scheuchx. Agr. 176. 



In ditches, pools, and the margins of rivers. 



Perennial. Maij, June. 



Hoot creeping, or floating, with long, white, shining fibres. Stems 

 floating, branched, leafy, smooth, very long, rising about 12 or 

 18 inches above the water. Leaves linear, bluntish, flat/flaccid, 

 partly floating, bright green, smooth, except at the edges. Sheaths 

 lax, slightly compressed, smooth, with a prominent, broad, rather 

 pointed, membranous stipula. Panicle erect, repeatedly branch- 

 ed, smooth ; the branches unequal, aggregate, angular, many- 

 flowered. Cahjx-valves not on a level, short, abrupt, notched, 

 ribbed at the lower part, purplish, smooth. Florets much longer, 

 one on a short stalk ; their valves oblong, even, purplish, notched 

 at the end, strongly keeled, never avvned. Jnth. prominent, ob- 

 long, yellow. Styles and stigmas short. The flowers abound 

 with honey. When growing accidentally out of the water, this 

 grass sometimes assumes a very dwarf habit. In natural affinity 

 it comes near Poajluitans, distans, and maritima. 



** Corolla awned, hairy at the base. 

 3. A. ccEspitosa. Turfy Hair-grass. 



Panicle spreading. Florets about the length of the calyx, 

 abrupt, hairy at the base ; one of them on a hairy stalk. 

 Awn short, from the bottom of the outer valve. Leaves 

 flat. 



A. caespitosa. Linn. .Sp. PL 96. JVilld.v. 1.378. Fl. Br. 84. Engl. 



Bot. V. 21. t. 1453. Knapp t. 33. Hook. Scot. 29. Schrad. 



Germ. v. 1. 257. Leers 23. t. 4./. 8. Host Gram. v.2.3\.t. 42. 



Ehrh. Calam. 52. Fl. Dan. t. 240. 

 Avena n. 1487. Hall. Hist. v. 2. 230. 

 Gramen segetum, panicula arundinacea. Scheuchz. Agr. 244. t. 5. 



/. 2, 3. 

 G. miliaceum segetale majus. Raii Syn. 403. 

 G. segetale. Ger. Em. 5.f. 



In moist shady groves, and borders of corn-fields. 

 Very abundant in Scotland. Knapp, Hooker. 

 Perennial. .June, July. 



The fibrous roots make very large and dense tufts. Stems a yard 

 high, with 2 joints, erect, smooth, leafy. Leaves narrow, rigid ; 



