282 OHIO BIOLOGICAL SURVEY 



2. Stems extensively creeping; plants diecious, annual. E. hypnoides. 



2. Stems usually decumbent at the base and generally much branched ; flowers 

 bisporangiate: annuals. 3 



3. Spikelets nearly or quite % in. wide; plants with very strong odor. E. major. 

 i!. Spikelets t& in. wide or less. 4 



4. Lemmas usually dull-purple or green, the lateral nerves very prominent; 

 spikelets about h in. wide; outer empty glume about ^3 as long as the 

 inner. E. purshii 



4. Lemmas usually bright purplish, the lateral nerves faint or wanting; spikelets 

 less than tg- in. wide ; outer empty glume ]/> as long as the inner. E. pilosa. 



.*>. Pedicels and branches of the panicle short ; stems branched above the base. 



E. frankii 



.">. Pedicels and branches of the panicle long and capillary; stems branched only 

 at the base. E. capillaris. 



1. Eragrostis pectinacea (Mx.^Steud. Purple Love-grass. An 

 erect or ascending, perennial grass with a rigid stem, \-2 l / 2 ft. high, 

 from a short stout rhizome, with over-lapping sheaths, sparingly 

 villous and densely bearded at the throat. Panicle purple or purplish, 

 included at the base at least at first, its widely spreading or rerlexed 

 branches strongly bearded at the base; spikelets 5-12-rlowered, on 

 still pedicels ; lemma acute, minutely scabrous, its lateral nerves 

 prominent. 



In dry sandy soil. July-September. Lake, Cuyahoga, Erie, 

 Auglaize. 



2. Eragrostis hypnoides (Lam.) B. S. P. Creeping Love-grass. 

 An annual grass with an extensively creeping stem sending up 

 panicle-bearing branches, Y\-\Yi ft. high. Panicles nearly simple, 

 sometimes nearly capitate. Spikelets 10-35-rIowered,. the flowers 

 bisporangiate, staminate, or carpellate ; lemma acuminate its lateral 

 nerves prominent. 



In sandy or gravelly soil along shores and ditches. August, Sep- 

 tember. Rather general ; no specimens from the central eastern 

 counties. 



3. Eragrostis major Host. Strong-scented Love-grass. A beau- 

 tiful erect or ascending or occasionally prostrate grass with rather 

 flaccid, freely branching stems, yU4 ft. high or long, with a strong 

 scent, and with greenish-lead-colored, rather densely flowered 

 panicles. Spikelets 10-40-rlowered, the flowers closely imbricated; 

 pedicels and keels of the empty glumes sparingly glandular; lemma 

 thin, obtuse, scabrous, the lateral nerves prominent. 



A common weed in cultivated fields and waste places. Also 

 called stink-grass. July-September. Naturalized from Europe. 

 ( ieneral. 



4. Eragrostis purshii Schrad. Pursh's Love-grass. An annual 

 1 nlted grass, usually decumbent at the base and much branched, 

 the sterns \/>-\y> ft. long. Panicle open, its branches spreading, 



