The above list of introductions would indicate that the efforts of the Department of Agriculture were not confined to obtaining seed from a particular locality or region. Nevertheless, since the project was inaugurated mainly to aid in the solution of the hardy and drought-resistant alfalfa problems, special attention was focused on parts of Eussia and Siberia having climatic conditions comparable with the colder and drier portions of the Xorth and Xorthwest.

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KENTUCKY BLUEGRASS (Poa pratensis L.). Kentucky bluegrass is the most important cultivated pasture grass in the United States. This is due not only to the fact that it is palatable and nutritious, but also because it produces an abundant pasture and can be grown over a large region. In general, it is the cultivated pasturage grass of the area north of Tennessee and east of the one hundredth meridian. It is also important in parts of Tennessee and the Piedmont sections of North Carolina, Alabama, and Georgia. In other States it is found to some extent, either under cultivation or in a natural condition. It does especially well on limestone soils, notably in parts of Kentucky and Missouri. Aside from being a valuable pasture grass, bluegrass is without equal as a lawn grass in the regions to which it is adapted. Description.-Kentucky bluegrass is generally known as "bluegrass," and also sometimes called "June grass." It is a very hardy perennial grass, pro