Ceanothus americanus, 14 17 32 33 42 45 48 50 99 
Celastrus scandens, 14 33 45 46 48 61 65 99 108 
Celtis Georgiana, 61 
mississippiensis, 58 65 91 98 104 110 
occidentalis, 14 57 58 
(C. crassifolia), 55 
Centunculus minimus, 17 
Cephalanthus occidentalis, 14 32 45 48 65 75 81 91 102 109 
Cerastium arvense, (common. ) 
oblongifolium, (common) 
brachypodium, 1 17 
nutans, 7 13 58 109 
viscosum, 17 30 42 
vulgatum, 54 58 82 
Ceratophyllum demersum, 65 82 92 102 110 
Cercis canadensis, 14 17 28 29 33 39 44 45 58 62 69 94 97 
102 
Chaerophyllum procumbens, 1 5 7 14 45 58 61 65 82 84 86 
Chelidonium majus, 1 
Chelone glabra, 61 
Chenopodium album, 1 3 14 17 25 41 45 68 72 82 106 
ambrosioides, (common. ) 
anthelminticum, 81 84 98 
Boscianum. 
Botrys, 1 
capitatum, 1 
glaucum. 
hybridum, 41 69 72 110 
leptophyllium, +5 84 108 
murale, 7 72 84 
rubrum. 
Chrysanthemum Leucanthemum, 7 29 32 44 45 
Chrysopsis villosa, 48 55 61 82 98 99 101 
Cichorium Iutybus, 20 70 75 97 104 
Cicuta maculata, 1 7 11 14 17 42 58 62 69 102 
Cimicifuga racemosa, 65 79 
Circaea lutetiana, 17 32 57 61 62 65 99 
Cirsium altissimum, (Cvzzcus altissitmus), 14 45 109 
discolor, (Czzcus altissimus discolor.) 
arvense, (Czicus arvensis), 117 18 
lanceolatum, (Cvzzicus lanceolatus), (common. ) 
pumilum, (Cuzcus pumilus), 99 
Cissus Ampelopsis, 33 58 65 91 99 102 
arborea, (C. stfans), 81 
Citrullus vulgaris, 16 84 
Claytonia virginica, 3 814 17 30 39 45 61 65 69 82 
Clematis crispa, 30 
Fremontii, 57 58 61 
44 

