INDEX TO HOST PLANTS. 



Acer saccharinum 409 



Actinomeris squarrosa 405 



iEsculus : 408 



Agrimonia 400 



Agrimonia Eupatoria 400 



Alnus serrulata 398 



Ambrosia artemisifoliiu 405 



trifida 405 



Ampelopsis quinquefolia 407 



Amphicarpsea monoica 403 



Asclepias variegata 406 



Aster 405 



Isevis 405 



sagittifolius 405 



Astragalus Canadensis 403 



glycyphyllus 419 



Betula nigra 412 



Bidens connata 401 



frondosa 401 



Birch 423 



Brunella vulgaris 401 



Cacalia atriplicifolia 428 



Caryaalba 422 



Catalpa bignonioides 411, 427 



speciosa 427 



Ceanothus Americanus 421 



Celastrus scandens 411 



Celtis 398 



occidentalis 409 



Cephalanthus occidentalis 415 



Cirsium discolor 405 



Clarkia 423 



Clematis 402, 403 



Compositse 400, 406 



Cornus 403 



Florida 411 



Corylus 392, 412, 426 



Americana 412, 422 



Crataegus 413 



tomentosa var. pyrifolia 



411, 413 



Cynoglossum Morisoni 428 



Desmodium 416, 420 



Canadense 416 



cuspidatum 416 



paniculatum 416 



Epigsea repen? 418 



Epilobium 428 



Erechthites hieracifolia 401 



Euonynms atropurpureus 421 



Eupatorium purpureum 405 



Euphorbia coroUata 419 



hypericifolia 419 



Fagus ferruginea 412,419 



Fraxinus 411 



Gaylussacia resinosa 418 



Geranium maculatum 402 



Gerardia grandiflora 401 



Gleditschia tricanthos 420 



Gooseberry 399 



Grape 407 



Grass 428 



Helianthus 405 



decapetalus 405 



rigidus 405 



tuberosus 405 



Hieracium Canadense 405 



Hops 395 



Humulus 400 



Hydrophyllum Virginicum ... 406 



Ilex decidua 411, 422 



Juglans einerea 422 



nigra 422 



Labiatse 406 



Lathyrus 420, 421 



palustris 420 



Leguminosse 403 



Leptopoda brachypoda 428 



Lespedeza ^ 420 



capitata 416, 417 



hirta 416 



Lilac 423 



