26 | 
spikelets are larger, however, and. the flowering glumes are covered with long, 
rown hairs, and have a twisted awn an inch in length. It is a native of the 
Mediterranean region, but is now widely distributed over grain-growing coun- 
tries, and is especially common in California and Oregon, and has spread 
eastward to Minnesota. is of rare occurrence in the Eastern States. 
some this is supposed to be the original of 3 cultivated oat (Avena sativa), 
which is said to readily degenerate into it. Arend fatua is in most places 
regarded as a troublesome weed. When dud in the grain fields, it oceupies 
the place of better plants, and reduces the grade of the 5 grain by the 
admixture of its inferior and lighter seeds. The stiff and twisted awns are 
injurious to stock, as they frequently cause irritation of the costrilo and mouths 
of the eattle feeding upon them. In California the young plants, before the 
ikelets 
e 
Oat with the flowering glume smooth (var. 
glabrescens Coss.) is quite widely distributed 
on the Pacifie Slope. 
Avena flavescens. (See Trisetum pratense.) 
Avena hookeri Scribn. Native Meadow Oat- 
In the grassy parks and on the foothills of the 
eastern slopes of the Rock gu P 
A which closely resembles the 
abun m: 
seo 0 to the grazing resources of the 
a ela It is deserving of a trial under 
ali tion 
Avena praecox. (See Aira precoz.) 
Avena pubescens Linn. Downy Oat-grass. 
Fi¢.15.—Wild Oats. (Avena fatua). This grass is similar in habit and appearance 
to Avena fatua, but is much less common. 
E It is a European grass, and has been introduced into this country from that 
E source, and is oecasionally found in the grain region of the Pacific Slope. The 
Z4 
produced 15,654 pounds of green grass, 5,870 pounds of hay, and 6,860 pounds of 
aftermath per acre. 
Avena sativa Linn. Oats. 
A well-known erect annual, 2 to 4 feet high, with flat leaves and expanded € 
of ratherlarge Sedan spikelets. There se amy varieties Which h 
divi ided into two siamea: x “pan anicle oats,” wit 
and icl 
? E ly r ol 
“banner oats” hat ted sided. These 
"e races are divided into “ chaffy and “naked-fruited” soris, and further 
