xu 



ILI.USTRATIONS 



1 86 

 i88 



I go 



FIG. PAGE. 



39. Distribution of Crab-grass. Each dot representing a 



correspondent reporting this grass important 



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



41. Plat of Bluestem {AgroJ>yron occidentale) 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 ......... 195 



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



vius condensatus in low alkaline soil 



44. Greensward in Public Gordens, Boston, Mass 



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



Baltimore, Md. 



46. Varieties of Timothy . 



47. Varieties of Timothy . 



48. Improved Varieties of Brome-grass 



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 



199 



212 



213 

 230 



231 

 233 



235 

 237 



237 

 239 

 241 

 241 



