INDEX TO HOST PLANTS. 



Abies 212 



Acorns calamus 167 



Actiea 223 



Agrimonia Eupatoria 220 



parviflora 220 



Agrostis vulgaris 198 



Aletris farinosa 195 



Allium striatum 168 



Ambrosia 231 



trifida 185, 231 



Amorpha canescens 177 



fruticosa 177 



Amphicarpsea monoica 226 



Andropogon 199, 203 



furcatus 199, 203 



scoparius 199, 203 



Anemone cylindrica 172 



nemorosa 222 



Pennsylvania 222 



Virginiana 172 



Apocynum cannabinum 236 



Apple 144, 145, 154 



Arisrema dracontium 166 



triphyllum 166 



Asclepiascornuti 163, 236 



incarnata... 164 



tuberosa 164 



Aster 183, 216, 230 



miser , 183 



Novse-Anglte 183 



sagittifolius 183, 216, 230 



Shortii 183 



Barberry 145, 154 



Bidens 232 



frondosa 232 



Blephilia hirsute 190, 191 



Borraginacese 234 



Buckthorn .. 154 



Calystegia sepium 193 



Carex 195 



Cephalanthus occidentalis 229 



Cereals 198 



Circtea alpina 180 



Lutetiana 179, 180 



Cirsiurn 187 



discolor 187 



lanceolatum 187 



Claytonia Virginica 175 



Composite 151, 130 



Comandra umbellata 211, 237 



(^oniferse 241 



Conoclinium crelestinurn 182 



Crassulaceae 241 



Cratsegus coccinea 240 



tomentosa 240 



var. mollis 240 



wr 240 



Croton capitatum 213 



monanthogynus 213 



procumbens 213 



Crotonopsis Hnearis 213, 238 



Cunila Mariana 190 



Cupressinse 209 



Cynthia Virginica 188 



Desmodium .. 160 



Canadense 160 



cuspidatum 160 



paniculatuin 159 



rotundifolium 160 



Dicentra cucullaria 223 



Diodiateres 163, 228 



Dulichium spathaceum 196 



Elephantopus 217 



Carolinianus 216 



Elodes Virginica 157, 158 



Elymus Virginicus 170, 200 



