ILLUSTRATIONS. 



MAPS. 



Page. 



Mai' 1 . Total territory, covered l)y the field work 10 



2. Territory covered by C. R. Orcutt, C. C. Georgeson, E. R. Chase, 



L. H. Pammel, and T. H. Kearney, jr 10 



o. Territory covered by J. G. Smith, Aven Nelson, A. Lamson-Scrib- 

 ner, Wm. Shear and C. L. Shear, F. Lange and D. Griffiths, 

 E. A. Bessey and C. L. Shear 10 



4. Territory covered by F. Lamson-Scribner, E. N. Wilcox, M. A. Bran- 



non, and P. A. Rydberg 1 . . . 10 



5. Territory covered by R. Combs, J. Burtt Davy, C. I^. Shear, and 



E. D. Merrill 10 



6. Territory covered by E. Nelson, A. B. Leckenby, S. M. Tracy, 



D. Griffiths, F. E. Clements and C. L. Shear \ '.. 10 



7. Territory covered by C. J. Elmore, C. R. Ball, and T. A. Williams.. 



8. Amount and distribution of the annual precipitation 10 



PLATES. 



Plate I. Fig. 1. — View at Cape Cod, Massachusetts, showing sand dunes and 

 general appearance of the country. Fig. 2. — View at Cape Cod, 



Massachusetts, showing sand drifts burying forest trees 12 



II. Fig. 1. — Natural growth of l)each grass {AmniopJula arenaria) at 

 Cape Cod, Massachusetts. Fig. 2. — Planting beach grass (^ImH/o- 



plilla arenaria) at Cape Cod, Massachusetts 12 



III. Fig. 1. — Chinese soy bean {Glycine hispida var. ) grown on Potomac 



Flats, Washington, D. C. Fig. 2. — Bermuda grass 12 



IV. Texas blue grass {Poa arachnifera). A native species valuable for 



the Gulf States U 



V. Big blue stem {Andropogon furcatus) . A valuable hay and pasture 



grass of the Great Plains. From a photograph 16 



VI. Fig. l.^Blue grama {Bouteloua oUr/ostacJiya), as grown in grass 

 station at Walla Walla, Wash. From a photograph by A. B. 

 Leckenby. Fig. 2. — Switch grass {Panieum virgatuin) , as grown 

 in the grass garden at Washington, D. C. From photograph by 



0. L. Shear ". 18 



VII. Awnless brome grass {Bromus incrmls), showing plat of the grass 

 grown in the United States grass garden, Washington, D. C. 

 This grass has proved a success throughout the northern portion 

 of the Great Plains region. From photograpii by F. Lamson- 



ScTibner 20 



• VIII. Fig. 1. — American manna grass [PaniciUaria americana). A wet 

 meadow grass. From photograi)h by C. L. Shear, taken near 

 Antonito, Colo. Fig. 2.— Alfalfa, Bellefourche, S. Dak., 1897... 22 



5 



