TRIANDRIA— DIGYNIA. Biiza. 153 



B. aspera. Krutpp t.Q\. 



Gramen trcmulum minus, panlcula ampla, locustis parvis trian- 



gulis. RailSyn.A\2. 

 G. tremulum minus, locusta dcltoide. Moris, v. 3. 203. sect. 8. t 6. 



f.47. 



In cultivated fields in the south of England, very rare. 



Near Bath. Mr. Alchorne. Huds. Between Pensancc and Mar- 

 icetjevv, Cornwall, 1774. Light f. in his herbarium. Sent from 

 thence by Mr. Penneck, in J 803. Mr. Sowerbij. In Jersey. 

 Sherard. In Guernsey. Yalden. 



Annual. Jidij. 



Root fibrous, small, downy. Whole plant of a light bright green, 

 sriiooth, except the edges of the leaves; a span or more in height,' 

 with one or more stems. Stipida long, acute, decurrent. Pa- 

 nide spreading, with numerous, fine, capillary, rigid, zigzag 

 branches. Spikelets green and white, often with a purple tint, 

 shining. Calyx extending beyond the lowest ^^ore^^. Outer 

 valve of the corolla gibbous at the base; inner acutely cloven. 

 Seed orbicular, depressed, when ripe firmly attached to the outer 

 valve of the corolla. 



Poa n. 1449. Hall. Hist. v. 2. 218. Gramen tremulum minus pani- 

 cula parva. Bauh. Prodr. 4./. Moris./. 46, appears, by Mailer's 

 account, a mere variety of the following. 



2, B. media. Common Quaking-gra&s. 



Spikelets ovate, about seven-flowered. Calyx shorter than 



the florets. Stipula very short and bhmt. 

 B. media. Linn. Sp. PL 103. Willd. v. 1. 404. Fl. Br. 109. E?7'rl. 



Bat. V. 5. 340. Mart. Rust. t. 39. Knapp t. GO. Hook. Scot. 37. 



Schrad. Germ. v. 1. 309. Host Gram. v. 2. 22. t. 29. Fl Dan 



i. 25.8. Leers 2d. t. 7. f. 2. 

 Poa n. 1448. Hall. Hist. v. 2. 218. 

 Gramen trcmulum. Rail Sijn. A\2. 

 G. tremulum majus. Bauh. Theatr. 22. f. Schcuchz. A^^r 204 i 4 



/. 8. o • . . . 



G. tremulum vulgare minus^ locustis rotundioribus. Bloris. v 3 

 203. sect. 8. t. 6.f. 45. 



In pastures common. 



Perennial. Majj, June. 



Root fibrous, tufted. Stem 12 or 18 inches high, leafy at the bot- 

 tom chietty, smooth 3 straight and slender' in the' upper part. 

 Leaves deep green. Panicle very slender and tremulous, the 

 branches and spikelets tinged with purplish brown. Florets about 

 7, the lower ones projecting a little beyond the (Y////.1-, which ren- 

 ders the spikelet ovate. I have from Mr. J. E. Bowman a beau- 

 tiful Welch specimen, whose J/orcfs are 12 or more, green and 

 white, witii 3 ribs towards each margin, more conspi<.uous than 



