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. (2) #. B.1. 
1266. #E. B.2.162. H.§ Arn.565, Bab. 398. Land. 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, 
(4) #. B.1,1640. #. B. 2.163. H. & Arn. 566. Bab. 399. 
Lind. 308. 
A. prATENSIS. Narrow-leaved Oat-grass. _ Fig. 1573. 
Panicle erect, simple. Florets 3-5. Leaves narrow, involute. D 
pastures. 1-13ft. Perenn. July. (2) #.B.1.1204. #. B. 2.164. 
H. §& Arn. 565. Bab. 398. Lind. 310. 
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. (2) £.B.1. 
141. #F. B. 2.165. H.& Arn.565. Bab. 399. Lind. 310. 
A. PLANICULMIS. Jlat-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. 
(3) #. B. Supp. 2684. #. B. 2.165*. HAH. § Arn. 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. (4) 
H.B.1.952, #. B.2.166. HH. §& Arn. 566. Bab. 398. Lind. 309. 
Genus 32. ARUNDO. 
A. Poragmites. 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. (2) #. B.1.401. #. B. 2.167. A. §& Arn. 567. 
Bab, 393, Lind. 310. 
Genus 33. Exymus. 
E, arenarius. Lyme-grass. Fig. 1578. 
Spike upright, close. Florets as long as the glumes. Root creeping. 
Sandy shores. 3-4 ft. Perenn. July. (4) #&. B.1.1672. £. B.2. 
171. H.& Arn. 567. Bab. 412. Lind. 296. 
KE. Genicutatus. Drooping Lyme-grass, Fig. 1579, 
Spike bent downwards, lax. Glomes longer than the florets. Salt 
marshes. 3ft. Perenn, July. (4) 2. B.1.1586. #. B.2. 172. 
H. § Arn, 568. Bab.412. Lind. 296. 
Genus 34. Horprum. 
H. sytvaricum. Wood Barley. Fig. 1580. 
All the glumes bristle-shaped and rough; outer glume of each spike- 
let half as long as the awn. Woods. 2 ft. Perenn. July and Aug. 
Eien h. TAN. eet TR ay § Arn, 568. Bab. 412. 
Lind, 297. 
