10. GRAMINEiE. 74. Avena. 
181 
PL end . ph. 
4. Avena fatua. IVild oat. 
Panicle equally branched, loose ; locusta drooping, 3 to 
5-seeded ; cariopsides husky, very hairy at bottom ; ftowrets 
all awned ; leaves flat. 
Avena q. iEgilops quibusdam aristis recurvis, seu Avena pilsoa, J. Bau- 
hini, Raii Syn. 389, 7. 
iEgilops bromoides, Ger. em. 77. 
iEgilops bromoides Belgarum, Park. 1148. 
Avena fatua, Lin. S. P. 118. 
Bearded wild oats , or haver. 
Fields and corn-fields ; annual; August. 
Root fibrous ; culm upright, 4 feet high, naked above ; 
leaves broad, rather upright, plaited ; sheaths bald; ligula 
blunt ; panicle upright ; peduncles unequal ; pedicles droop- 
ing ; locustce pendulous ; glumelles yellow, growing black ; 
awns brown. 
p. pilosissima . Glumelles entirely covered with hair. 
5. Avena puhescens . Downy oat . 
Panicle upright, nearly simple; locustce upright, long, 
3-flowered ; cariopsides husked ; partial rachis bearded ; 
culm simple; leaves all flat, pubescent. 
"Gramen avenaceum septimum seu glabrum (potius hirsutum) panicula 
purpuro-argentea splendente D. Doody, Raii Syn. 406, 2. 
Avena pubescens, Lin. S. P. 1665. 
Avena pratensis, Gouan Hort. 53. 
Chalky fields and pastures; perennial; June. 
Root fibrous, in tufts ; culm 2 feet high, smooth, bald ; 
leaves obtuse, uppermost smooth, bald; lower ligula very 
short ; upper oblong, blunt ; panicle oblong ; locustce large, 
becoming obovate, shining, silvery green. 
/3. glabra. Leaves smooth. 
6. Avena pratensis. Meadow oat. 
Panicle upright, spiked, long ; peduncles single or in 
pairs ; locustw upright, 5 to 8-fiowered ; cariopsides husked ; 
partial rachis hairy ; radical leaves , involute, rough, bald ; 
upper flat. 
Gramen avenaceum montanum, spica simplici, aiislis recurvis, Raii Syn. 
405, 1. 
Arena pratensis, Lin. S. P. 119. 
Calcareous fields and pastures; perennial; July. 
Root fibrous; culms many, 2 feet high, upright, simple, 
naked above; radical leaves linear, acute, stiff; stem leaves 
broad ; sheaths very long ; ligulce lanceolate. 
/3. bromoides. 
K 2 
