310 OHIO BIOLOGICAL SURVEY 



taceous with long appressed silky hairs. The common ribbon-grass 

 of gardens is the variety picta L. 



In moist or wet soil. June-Aug. Rather general ; no specimens 

 from the northwestern nor from the southeastern counties. 



2. Phalaris canadensis L. Canary-grass. An annual grass with 

 erect simple or branched stems, 1-3 ft. high, and an ovoid or oblong 

 head-like panicle. Spikelets broadly obovate, imbricated; empty 

 glumes white with green veins ; empty lemmas thin-membranous, 

 sparingly hairy ; fertile lemma brown, acute, with appressed silky 

 hairs. 



This species furnishes the canary seed of commerce. In waste 

 places and roadsides. July, Aug. Cuyahoga, Montgomery, Hamil- 

 ton. From Europe. 



52. Anthoxanthum L. Vernal-grass. 



Fragrant annual or perennial grasses with flat leaves and nar- 

 row spike-like panicles. Spikelets 1 -flowered, narrow, somewhat com- 

 pressed ; empty glumes very unequal, acute or short-awned ; sterile 

 lemmas 2-lobed, awned on the back ; fertile lemma, truncate, awnless ; 

 palet faintly 1-nerved; stamens 2; grain free, enclosed in the flower- 

 ing glumes. 



1. Empty glumes pubescent; panicle 1^2-3 in. long; perennial. A. odoratum. 



1. Empty glumes glabrous; panicle Vi-l^A in. long; annual. A. puelii. 



1. Anthoxanthum odoratum L. Sweet Vernal-grass. A per- 

 ennial grass with simple or branched erect stems, 1-2 ft. high, and 

 spike-like panicles, the short branches erect or ascending. Spikelets 

 brownish green, spreading at flowering-time ; empty glumes sparsely 

 pilose ; first sterile lemma short-awned below the apex the second 

 bearing a strong bent awn near its base ; fertile lemma awnless. 



In fields, pastures and waste places. May-July. Ashtabula, 

 Cuyahoga, Summit, Mahoning, Wayne, Franklin. From Europe. 



2. Anthoxanthum puelii Lecoq & Lamotte. Long-awned Ver- 

 nal-grass. An annual grass with slender stems often branching above 

 the base, and with a dense spike-like panicle. Spikelets whitish green ; 

 empty glumes glabrous; first sterile lemma with an awn twice as 

 long as its body, pubescent below the middle, the second sterile 

 lemma with an awn 2-4 times the length of its body, also pubescent 

 below; fertile lemma awnless. 



In waste places. May-Aug. Hamilton County. A native of 

 Europe. 



