158 
A. strigosa. Bristle Oat. Fig. 1571. 
Panicle oblong, pointing one way. Florets 2. Outer palea with 2 
straight bristles. Corn-fields. 2-3 ft. Ann. July. (|) E. B. 1. 
1266. E. B. 2. 162. H.q-Arn.565. Bab. 398. Lind. 310. 
A. pubescens. Downy Oat-grass. Fig. 1572. 
Panicle erect, nearly simple. Florets 3, scarcely longer than the 
glumes. Leaves downy. Chalky pastures. 1-2 ft. Perenn. June. 
(|) E. B. 1. 1640. E. B. 2. 163. II. Am. 566. Bab. 399. 
Lind. 308. 
A. pratensis. Narrow-leaved Oat-grass. Fig. 1573. 
Panicle erect, simple. Florets 3-5. Leaves narrow, involute. Dry 
pastures. l-l^ft. Perenn. July. (|) E.B. 1. 1204. E.B. 2.16-1. 
H. fy Am. 565. Bab. 398. Lind. 3f6. 
A. alpina. Alpine Oat-grass. Fig. 1574. 
Panicle erect. Florets 5, tufted with hairs beneath. Leaves flat, 
finely serrated. Mountains. 2-3 ft. Perenn. July. (|) E.B. 1. 
2141. E.B. 2.165. H.SpArn. 565. Bab. 399. LiW.310. 
A. plan l culm is. Flat-stemmed Oat-grass. Fig. 1575. 
Panicle erect, compound. Spikelets erect, linear-oblong. Florets 5-7, 
much longer than the glumes. Mountains. 3 ft. Perenn. July. 
(|) E. B. Supp. 2684. E. B. 2.165*. H. Am. 566. Bab. 399. 
Lind. 339. 
A. flavescens. Yellow Oat-grass. Fig. 1576. 
Panicle much-branched, spreading, erect. Glumes very unequal; 
florets 3. Leaves flat. Chalky fields. 1 ft. Perenn. July. (!) 
E.B. 1.952. E.B. 2.166. U.q-Arn. 566. Bab. 398. Lmd.30'J. 
Genus 32. Arundo. 
A. Phragmites. Reed. Fig. 1577. 
Flowers in a loose panicle. Spikelets 5-flowered. Florets with long 
silky hairs at the base. Ditches and river-sides. 6-12 ft. Perenn. 
July. Purple. (!) E. B. 1.401. E.B. 2.167. II. q-Am. 567. 
Bab. 393. Lind. 310. 
Genus 33. Elymus. 
E. arenartus. Lyme-grass. Fig. 1578. 
Spike upright, close. Florets as long as the glumes. Root creeping. 
Sandy shores. 3-4 ft. Perenn. July. (!) E. B. 1. 1672. E.B.2. 
171. II.ty-Arn.567. Bab. 412. Lind. 296. 
E. geniculatus. Drooping Lyme-grass. Fig. 1579. 
Spike bent downwards, lax. Glumes longer than the florets. Salt 
marshes. 3 ft. Perenn. July. (!) E.B. 1. 1586. E.B.2A72. 
II. Am. 568. Bab. 412. Lind. 296. 
Genus 34. IIordeum. 
II. sylvaticum. TVood Barley. Fig. 1580. 
All the glumes bristle-shaped and rough - y outer glume of each spike- 
let half as long as the awn. Woods. 2 ft. Perenn. July and Aug. 
(f T ) E. B. 1 . 1317. E. B. 2. 173. II. q- Am. 568. Bab. 412. 
Lind. 297. 
