274 OHIO BIOLOGICAL SURVEY 



7. Bromus inermis Leyss. Hungarian Brome-grass. A peren- 

 nial grass with tufted stems, 2-2>]/ 2 ft. high, with smooth and glabrous 

 leaves and an oblong panicle of erect oblong spikelets. Lemma 5-7- 

 nerved, awnless or sometimes awn-pointed. An important grass for 

 pasture and hay. 



In fields and waste places. June, July. Introduced from Europe. 

 Wayne County. 



8. Bromus ciliatus L. Fringed Brome-grass. An erect peren- 

 nial, 2-4 ft. high, with retrorsely pubescent or nearly smooth sheaths 

 and a broad, lax, drooping panicle whose branches are spikelet-bear- 

 ing near the ends. Spikelets 5-10-flowered ; lemma smooth on the 

 back, pubescent along the margins, 5-7-nerved, obtuse and slightly 

 bifid at the apex which ends in a straight awn. Very variable. 



In moist woods and thickets. July, August. Erie, Wayne, 

 Franklin, Champaign, Hocking. 



9. Bromus purgans L. Hairy Brome-grass. A perennial grass 

 with erect rather stout stems, 2-5 ft. high, sparsely retrorse-pilose 

 sheaths, and large lax nodding panicles. Spikelets, 7-12-flowered ; 

 lemma lanceolate, acute, densely pubescent, 5-7-nerved, emarginate 

 and with a short straight awn. 



In moist rocky woodlands. June-August. General. 



10. Bromus asper Murr. Rough Brome-grass. A perennial 

 grass witli simple erect rough stems, 2-6 ft. high, retrorse-hirsute 

 leaf-sheaths, and an open panicle with drooping branches. Spikelets 

 5-10-flowered ; lemma acute, hispid near the margins and on the 

 lower part of the keel, short awned. 



In waste places. July, August. Naturalized from Europe. Xo 

 specimens. 



11. Bromus tectorum L. Downy Brome-grass. A short-lived 

 annual, Yz-^Y^ ft. high, with slender tufted stems, pubescent sheaths 

 and leaf-blades, and broad, rather dense, one-sided drooping panicles. 

 Spikelets nodding, 5-8-flowered ; lemma long-awned, 7-nerved, usually 

 hirsute-pubescent. A weed. 



In waste places and roadsides. May-July. Introduced from 

 Europe. General and abundant. 



12. Bromus sterilis L. Barren Brome-grass. An erect annual 

 grass, 1-.-) ft. high, with a broad lax drooping panicle, the slender 

 branches usually with but 1 spikelet, and with smooth or sometimes 

 pubescent sheaths. Spikelets spreading or pendulous; lemma 

 acuminate, long-awned, 7-nerved, scabrous on the nerves. 



In waste places. June, July. Introduced from Europe. Licking. 

 Sandusky. ( 'uvahoera. 



