330 INDEX 



Page 



Helianthus annuus 117 



divaricatus 49, 50, 117, 182, 209, 211 



giganteus 117 



strumosus 117 



tracheliifolius 117 



tuberosus 117 



Helicidae 153 



Helicodiscus parallelus 143, 148, 149, 157 



Heliopsis helianthoides 117 



Helminthophila chrysoptera 275, 297 



rubricapilla 275, 297 



Hemerocallis f ulva 85 



Hemitrichia clavata 56, 60 



Hepatica acutiloba 93 



triloba 93 



Heterodon platyrhinus 31, 258, 259, 261, 265 



Heterothrips salicis 184, 187, 205, 208 



Hieracium canadense 120, 209, 211 



gronovii 120 



scabrum 120 



umbellatum 31, 120 



venosum 120 



Hill, E.J 59, 62 



Hinds, W. E 178, 1 9, 181, 190, 191, 207, 213, 230 



Hippiscus tuberculatus 225 



Hirundo erythrogaster 274, 275, 294 



Hitchcock, A. S 72 



Hood, J. D 192, 207, 231 



Hooker, W. A 231 



Heracleum lanatum 105 



Hordeum jubatum 79 



Humulus lupulus 90 



Hydrocotyle americana 105 



Hygrophorus cantharellus 56 



miniatus 58 



Hyla pickeringi 257, 260, 261, 262 



versicolor 23, 257, 260, 261, 262 



Hylidae 260 



Hylocichla fuscescens 31 , 275, 307 



Hypericum kalmianum 39, 40, 103, 209, 212 



majus 103 



mutilum 103 



perforatum 40, 52, 103, 209 



punctatum 103 



virginicum. 41, 103 



Hyperistius hexacanthus 251 



Hypocrea richardsoni 57, 60 



Hypoxis hirsuta 86 



Hypoxylon annulatum 57, 60 



atropurpureum 57, 60 



marginatum 57 



Hyssopus ofHcinalis .' 1 10 



Hystrix patula 80 



I. 



Icterus galbula 274, 291 



Icthyomyzon concolor 248 



Ilex verticillata 43, 45, 102 



Impatiens biflora "15, 102, 212 



Insects 14 



Itinerary : 13 



Inula helenium 117 



Iridoprocne bicolor 274, 275, 295 



