e Meadows, rocky woods, and moist places, Upper Priest Re, 3000 ft,; 
Coeur dtAlene; Clarkia 2700 fte; Meadow Ridge, Pierce to Oxford, 
8. Be tectorum L. ——~¥ Downy Bromegrass. ~—>Plants annual; culms tufted, 
slender, erect, 20-50 om. tall; sheaths pubescent; blades lax, pubescent, 5-15 
cme long, 2-5 mm. wide; panicles rather dense, nodding, 5-15 cm. long, the 
‘branches in distinct whorls; spikelets drooping on slender flexuous pedicels; 
glumes narrow, acute or acuminate, with hyaline margins, the first l-nerved, about 
5 mie long, the second S-nerved, about 10 mm. long; lemmas pilose, 10-12 mm. long, 
awned from just below the teeth of the acuminate hyaline apex, the awn straight, 
10-15 mm. longe 
Waste places; introduced from surope, A troublesome weed, often 
causing injury to stock because of the sharp calluses of the florets, 
Upper priest R., 5000 fte; Coeur d'Alene; Bonners Ferry, 
Differs from the species in having spikelets 
nol > vere glabratus Spenner, 
——;glabrous or nearly soe (var. nudus Klett, & Richt.),—Waste placess 
C —-»> Thatuna Hills. 
= oe - ~—- 
9. B. rigidus Roth. ———>Ripgut-crass. ——>Plants annual; culms erect, mostly 
30-50 cme tall; sheaths pubescent or the upper glabraté; blades soft and lax, 
pilose on both surfaces, 3-10 cm. long, 2-5 mn. wide; ligule 3-5 mm. long; 
panicles nodding, mostly 10-15 cm. long, the branches stiffly ascending or 
spreading, sometimes curved, usually bearing at the end a Single spikelet; 
glumes long-acuminate, the margins hyaline, the first 1-3 nerved, 12-15 mm. 
long, the second 5-5 nerved, 20-30 mm. long; lemmas long-acuminate, very scabrous, 
the lower about 25 mn. long, the apex divided into two slender hyaline teeth, 
the awn 5-4 cme long, very scabrous; base of the floret developed into a strong 
sharp callus. ‘ 
A weed in waste places; introduced fron Europe. This species is injurious 
Go stock on account of the sharp-pointed, scabrous florets which penetrate the 
mouth parts. 
——? Coeur d'Alenc ,eeedOD. Rust 402 
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