Be p. atropurpurea Gr) Mountain Hair grass. —>Culus tufted, erect, 
20-70 cm. tall; sheaths smooth; ligules truncate, 3-4 mm. long; blades flat, 
appressed, 5-10 cm. long, 2-5 mm. wide, scaberulous; panicles oven, 5-10 em. 
tp > 23 > | Se L 3 im 
long, the branches Slexuous, distant, spikelet-bearing toward the ends; glumes 
equal, exceeding the florets, broad, 5 mm. long, narrowed to an acute apex, the 
first 14 the second d-nerved; lemmas 2 mae long, long-pilose on the callus, 
awned from the middle, the ayms twisted below, that of the first floret straight, 
3 
that of the second geniculate, included or somewhat exserted. 
Woods and mountain slopes. 
-> Beauv. 
4. D. caespitosa (L.) Tufted Hair grass. ——»Culms tufted, erect, as much 
as 120 cme tall, leaves crowded toward the base, the sheaths smooth; liguaes 
5-8 mme long; blades flat or folded, scabrous above, nearly smooth beneath, 
5-20 cme long, those of the innovations elongate, as much as 3 mm. wide; 
panicles open, drooping, 15-30 cme. long, the branches in distant fascicles, 
spreading, naked below; spikelets 4-5 mm. long; glumes lanceolate, equalling 
or a little shorter than the spikelets; florets distant; lemma 3 mm. long, 
awned fran hear the base, the awn straight, scarcely exserted. 
Frequent in wet meadows. 
® 2 : : X 
Arrhenatherum elatius (L.) Mert. & Koch. Tall oatgrass. Reported to occur 
in our region but no herbarium specimen¥ ha been seen. Rather coarse perennial, 
wiethypale or purplish, snining @ani¢les)15-30 cm. long; spikelets 2-flowered, the 
lower staminate, awned, the upper perfect, awnless. Fields and waste places; in- 
troduced from Europe. 
— i 
Avena fatua L. Wild oat. Reported from our region but no herbarium specimen 
has been seen, Spikelets mostly 3-flowered, the lemmas covered with stiff 
brown or pale hairs, sometimes sparsely so, the awn stout, ceniculate, twisted be- 
low, 34 cm. long. Fields and waste places, introduced from Europe. A common 
weéd on the Pacific coast. 
