502 GENERAL IXDEX 



H 



PAGE 



Hagerstown Valley, Vegetation of 250, 272 



Halophytes 83, 183 



Halophytes, Anatomy of 175 



Halophytic Vegetation 129 



Hay 349 



Acreage of 357 



Annual Production of 348,357 



Humidity 41 



I 



Influence of Soils in Agriculture 324 



Introduction 23 



Iva-Bacchari.s-Panicum Association 179 



J 

 Jones, W. Ralph 19 



L 



Letter of Transmittal 7 



List of Illustrations 13 



Lloyds Creek Spit, Plant Growth on 143 



Loam Vegetation 202 



Lowland Forests 161 



Lumber 377 



M 



Maple Zone 173 



Maple-Gum Association 160 



Marshes 43, 107, 129, 171 



Marsh Vegetation 129 



Meadow, Defined 102 



Melons 339 



Middletown Valley, Vegetation of 240 



Midland Zone 50, 199, 328, 370 



Floristic Plant Geography of 88 



Lower Midland District of 50 



Soils of 60, 328 



Upper Midland District of 51 



Milk, Annual Production of 350 



