42 QRAMINEAE (GRASS FAMILY) 



Means of control 



Cultivate and enrich the soil by furnishing it with humus to 

 enable it to retain moisture, thus putting it in condition to support 

 grasses or other plants of better quality. 



FEW-FLOWERED ARISTIDA 



Arlstida oligdntha, Michx. 



Native. Annual. Propagates by seeds. 



Time of bloom: July to October. 



Seed-time: August to November. 



Range : Ne\v Jersey to Nebraska, southward to 



Mississippi, Louisiana, and Texas. 

 Habitat: Dry grasslands, waste places. 



A worthless, wiry grass, similar to the pre- 

 ceding, and, like it, partial to sterile soil. Stems 

 tufted, very slender, erect, branched at base, 

 and forked at every joint. Sheaths long and 

 loose, smooth but with minutely hairy ligules, 

 the blades smooth, two to six inches long, 

 hardly an eighth of an inch wide, involute, and 

 extended to a very long, sharp point. Panicle 

 very narrow, and flexuous, bearing only a few, 

 sometimes but two or three spreading spikelets, 

 with the triple awns divergent but ascending, 

 and usually all about equal in length or the 

 central one somewhat exceeding the other two. 

 (Fig. 17.) 



Means of control the same as for Poverty- 



SAND-GRASS 

 Aristida fasciculata, Michx. 



Other English name : Three-awned Needle-grass. 



Native. Annual. Propagates by seeds. 



Time of bloom: August to October. 



Seed-time: September to November. 

 FIG. 17. Few- Range: Kansas to California, Arizona, New 

 flowered Aristida Mexico, and Texas. 



(Aristida oliganlhd) . Habitat: Dry, sterile fields, pastures, and waste 

 x J. places. 



