GRASS FAMILY. 

 4. Eragrostis Purshii Schrad. Pursh's Eragrostis. (Fig. 4; 



Poa Caroliniana Spreng. Mant. Fl. Hal. 3^ 1807? 

 Eragrostis Purshii Schrad. Linnaea, 12: 451. ig-^g. 

 K> arostis Caroliniana Scribn. Mem. Torr. Cliib < 40 



]' nt i; roslis Caroliniana 

 1895- 



Culms 6 / -i8 / tall, tufted, usually decumbent at the 

 base and much branched, smooth and glabrous. 

 Sheaths loose, shorter than the internodes, smooth 

 and glabrous; ligule a ring of short hairs; leaves i^'- 

 3^' long, i" wide or less, smooth beneath, rough 

 above; panicle open, 3 x -8' long, the branches spread- 

 ing, I'-^/t' long, naked in the axils; spikclets 5-15- 

 flowered, dull purple or green, 1%"-$" long, about 

 %" wide; empty scales acute, the lower about two- 

 thirds as long as the upper, scabrous on the keel; 

 flowering scales acute, firm, the lower ones %" long, 

 the lateral nerves prominent. 



In dry places, apparently throughout the United States, 

 extending into Ontario. Aug. -Sept. 



5. Eragrostis Eragrostis (L.) Karst. Low Eragro.sti^. . l-ivj. 432. 



Poa Eragrostis L. Sp. PI. 68. 1753. 

 Eragrostis poaeoides Beauv. Agrost. 16*. i 

 Eragrostis mino> Host. 1 : 1. Au-tr. i i vs 

 Eragrostis Eragrostis Karst. Deutsch. Kl 



Culms seldom over 15' tall, tufted, usually decum- 

 bent and much branched, smooth and glabrous, 

 Sheaths loose, shorter than the internodes, smooth. 

 sometimes a little pubescent, sparingly pilose at the 

 throat; ligule a ring of short hairs ; leaves l'-J#' 

 long, % /f -2 ff wide, smooth beneath, rough above 

 and somewhat pilose near the base; panic 1- 

 length, the branches spreading or ascending, Jf '-Iji' 

 <r long; spikelets 8-iS-flowered. 3"-$" long, about i" 

 wide; empty scales acute, the first two-thirds as long 

 as the second; flowering scales obtuse, X" long, the 

 lateral nerves prominent. 



In waste places or cultivated ground. <>nuri.>t.> Nrw 

 England, New York and Pt-nn-ylv.t .;... Locally natural- 

 ized from Europe. July St-pt. 



6. Eragrostis major Host. Strong-scented Eragrosti- 



Eragrostis major Host, Gram. Austr. 4: 14. />/. 24. 



1809. 

 Eragrostis poaeoides var. megastachya A. Gray, Man. 



Ed. 5, 631. 1867. 



Culms 6' -2 tall, erect, or decumbent at the base, 

 usually branched, smooth and glabrous. Sheaths 

 shorter than the internodes, smooth, sparingly 

 pilose at the throat; ligule a ring of short hairs ; 

 leaves 2 / ~7 / long, i // -3 // wide, flat, smooth be- 

 neath, scabrous above; panicle 2 / -6 / in length, the 

 branches spreading or ascending, i / -2 / long; spike- 

 lets <S-35-flowered, 2> // -8 // long, about i#" wide, 

 very flat; empty scales acute, the first slightly 

 shorter than the second; flowering scales obtuse, 

 i"-i%" long, the lateral nerves prominent. 



In waste and cultivated places nearly throughout 

 the United States, and in Ontario. Naturalized f 

 Europe. Unpleasantly scented, handsome. Aug.-Sept. 



