xu 



ILLUSTRATIONS 



FIG. PAGB 



39. Distribution of Crab-grass. Each dot representing => 



correspondent reporting this grass important 



40. Distribution of Carpet-grass ..... 



41. Plat of Bluestem {Agrofyron occidcntale) in Grass- 



garden at Washington, D. C. (United States De- 

 partment of Agriculture) .... 



42. Seaside Blue-grass {Poa macrantha), near Astoria 



Oregon. Protecting sand-dune from erosion by 

 the wind . ...... 



43. Typical View on Ranges of the West. Showing Ely 



mus condensatus in low alkaline soil 



44. Greensward in Public Gordens, Boston, Mass 



45. Lawn-mowers, or Turf-makers, in Druid Hill 



Baltimore, Md. 



46. Varieties of Timothy . 



47. Varieties of Timothy . 



48. Improved Varieties of Brome-g 



49. Penicillaria, or Pearl Millet 



50. A Spike .... 



51. A Spikelet .... 



52. A Panicle .... 



53. Parts of a Single Floret 



54. Showing Action of Pollen . 



Park 



186 

 188 



190 



195 



199 

 212 



213 



230 

 231 

 233 

 235 

 237 

 237 

 239 

 241 

 241 



