INDEX TO HOST PLANTS 



217 



celery, 69 



Chamaecyparis, 91 



cherry, 37, 38, 41, 45, 75, 96 



chestnut, 73, 107 



Chrysopogon, 83 



clover, 59, 76, 90 



clover weevil, 28 



cockle-bur, 42 



Comandra, 90 



COMPOSITAE, 32, 33, 90 



CONVOLVULACEAE, 32 



Convolvulus, 83 



corn, 81, 83, 90 



Cornus, 73, 75 



cotton, 73, 78 



cowpeas, 78 



cranberries, 97 



Croton, 90 



CRUCIFERAE, 30, 32, 149 



cucumber, 73 



CUCURBITACEAE, 33 



Cupressus, 18 

 currant, 69, 73 



Dandelion, 42 

 desmids, 23 

 Dianthus, 83 

 diatoms, 23 



Elm, 41, 72, 125, 129 

 ERICACEAE, 18, 90, 97 

 Erigeron, 32 

 ERYSIBACEAE, 69 

 Euphorbia, 90 



Fagus, 94 ; see also beech. 

 Falcata, 23 

 ferns, 89 



%, 75, 92 

 fish, 29 



flies, 28, 29 



Fraxinus, 94 ; see also ash 



Gaylussacia, 97 ; see also huckle- 

 berry 



geranium, 32 

 Glyceria, 83, 85 

 gooseberry, 41 

 grape, 22,30, 31, 41 

 grass, 32, 41, 43, 44, 8 1, 83, 84 

 grasshoppers, 28 



hackberry, 41 

 haw, 41 

 hawthorn, 1 8 

 hazel, 47 

 hemlock, 95 

 Hepatica, 84 

 Hicoria, 94, 97 



holly, 53 



hollyhock, 73, 90 

 hop, 41 



horseradish, 69 



huckleberry, 41 ; see also Gaylus- 

 sacia 



Impatiens, 33 

 insects, 44 



Juglans, 97 

 Juncus, 83 

 Juniperus, 18, 87, 91 



Lactarius, 44, 116 

 LEGUMINOSAE, 18, 92 

 Lemna, 84 

 lettuce, 33, 69 

 lichens, 60, 78 

 lilac, 41 

 Linum, 90 



Magnolia, 77 

 mandrake, 88 

 maple, 41, 53, 69 

 mayapple, 88 

 melon, 73 

 Menispermum, 84 

 Myosotis, 84 



NYCTAGINACEAE, 32 



Oak, 41, 97, 107 ; see also Quercus 



oats, 81, 83, 85 



Oenothera, 23 



onion, 84 



Ostrya, 78, IOI 



Oxalis, 82, 83 



Peach, 37, 73, 75, 90 

 pears, 72, 75 

 pepper, 73 

 persimmon, 73 

 Physalis, 84 



