278 



INDEX 



Hensel, R. L., 137 

 Hepatica, 35, 133 

 Herbert, A., 117 

 Herbs, deciduous, 36 



evergreen, 35 

 Heterostyly, 75 

 Hibiscus tiliaceus, 186 

 Hickories, 216, 226, 239 



galls on, 112 



pollination of, 67, 68 



mycorrhizas of, 105 

 Hieracium schideri, 23 

 Hilaria, 249 

 Hill, Albert F., 254 

 Hitchcock, A. E., 129 

 Holard, 147 

 Holoparasites, 101, 105 

 Honey locust, 224 

 Honey-bees, 77, 78, 79, 82 

 Hoorebeckia racemosa, 23 

 Hop, 91 



tree, 184 

 Hornbeam, mycorrhizas of, 106 

 Horsemint, 222 

 Hound's tongue, 187 

 Howard, A., 64 

 Howell, A. Brazier, 191 

 Huberman, M. A., 254 

 Hubert, E. E., 143 

 Htidsonia tomentosa, 18, 153, 221 

 Hulbert, James R., 26 

 Human community, 56, 57 

 Hume, A. N., 166 

 Humulus, 91 

 Humus, 146 

 Hutchings, S. S., 219 

 Hutton, J. G., 166 



Hydrarch succession, 202, 216, 222, 226 

 Hydric, 159 



habitats, plants of, 167-169 

 Hydrism, 160 

 Hydrogen, 148 



ion concentration, 151 

 Hydro-mesophyte, 159 

 Hydrophytes, 159, 176 



characteristics of, 167-169 

 Hydrosere, 202 

 Hymenoptera, 77 

 Hyperplasy, 110 

 Hypertrophy, 110 

 Hypoplasy, 111 



Ikenberry, G. J., 157 



Ilex, 230 



Impatiens, fruits of, 184 



pollination of, 82 

 Incense cedar, 244 

 Indicator vegetation, 257 

 Ingold, C. T., 191 

 Initial causes of succession, 203-206 



Inkweed, 152 

 Insect pollination, 73-87 

 Insectivorous plants, 60-64 

 Instrumental methods, 266 

 Intermediate stages of succession, 215- 



216 

 Inulin in roots, 18 

 Invasion, 207 

 Iris, 127, 229 

 Iron, 148 

 Irrigation, 20, 140 

 Iyer, K. R. N., 158 



Jack-in-^he-pulpit, pollination of, 86 



Jacobs, Margaret C, 117 



Jacot, A. P., 157 



Jamison, G. M., 137 



Jimson weed, pollination of, 84 



Johnson, Duncan, 100 



Johnson, James, 157 



Jones, J. S., 166 



Junciis balticus, 222 



Juniperus, 247 



virginiana, 112, 221 

 Jute, 31 



Kalmia, 152, 258 

 Karrer, J. K., 157 

 Kearney, T. H., 157 

 Kelley, W. P., 157 

 Kellog, C. E., 157 

 Kiesselbach, T. A., 166 

 Kinser, J. B., 137 

 Kittredge, J., 191, 231 

 Klugh, A. Brooker, 129 

 Knotweeds, 223 

 Knudson, Lewis, 117 

 Koehler, Benjamin, 26 

 Koeleria cristata, 23 

 Koeperia, 249 

 Kurz, Herman, 157 



Laboratory versus field work, 11, 264 

 Lactarius, latex vessels in, 37 

 Lactuca scariola, 43, 127, 224 



spicata, 122 

 Landscape gardening, 259 

 Laportea canadensis, 197 

 Lappula, 187 

 Larch, 126, 2,44 

 Larix laricina, 175, 230 



lyallii, 244 



occidentalis, 244 

 Larrea, 235, 249, 251 



