Canadian Erigeron, 93 Caper Spurge, 66, 67, 100, 105 Caprifoliaceæ, 43 _Capsella Bursa-pastoris_, 101 Caryophyllaceæ, 19 Castor Oil Plant, 33 Catmint, 96 Cats-Ear, 94 Celandine, Greater, 17, 105 — Lesser, 10, 11, 105 Celastraceæ, 24 Celery-leaved Buttercup, 10, 11, 99, 105 Chaerophyllin, 40 _Chaerophyllum_ sp., 37, 40 — _sylvestre_, 40 — _temulum_, 40 Chamomile, Corn and Wild, 101 Charlock, 18 Chelerythrine, 17 Chelidonine, 17 _Chelidonium majus_, 17, 105 Cherry Laurel, 34 Chervils, 40 Chickweed, 101 Chinovic acid, 93 Choline, 68 Christmas Rose, 13 _Chrysanthemum Leucanthemum_, 100 _Cicuta virosa_, 2, 8, 36, 104 Cicutine, 36 Cicutoxine, 36 Classification of Poisons, 103 _Claviceps microcephala_, 98 — _purpurea_, 8, 88–91, 103, 104 _Clematis Vitalba_, 9, 105 Cockle, Corn, 3, 6, 8, 19, 105 Colchicine, 80 _Colchicum_ sp., 8, 11, 103 — _autumnale_, 2, 3, 79–82, 100, 104 Compositæ, 44 Conhydrine, 30, 41 Coniceine, 41 Coniferæ, 72 Coniferin, 72 Coniine, 30, 39, 41 _Conium maculatum_, 6, 30, 41, 101, 104 Consolidine, 94 Convallamarin, 79 _Convallaria majalis_, 79, 104 Convallarin, 79 Convolvulaceæ, 49 _Convolvulus_ sp., 49, 102 — _arvensis_, 49 — _sepium_, 49 Corn Chamomile, 101 Corn Cockle, 3, 6, 8, 19, 105 Cornutine, 89 Cowbane, 2, 8, 36, 104 Cow-Wheat, 96, 100 Cress, Penny, 101 Crocus, Autumn, 2, 3, 79–82, 100, 104 _Crocus sativus_, 105 Crowfoot, Tall, 10, 11, 105 Cruciferæ, 18 Cuckoo Pint, 76, 77, 105 Cucurbitaceæ, 35 Cumarin, 92 _Cupressus macrocarpa_, 73 — _nootkatensis_, 73 _Cuscuta_ sp., 94 — _Epithymum_, 94 — _europæa_, 94 Cuscutin, 94 Cyclamin, 49 Cynapine, 39 Cynoglossine, 94 _Cynoglossum officinale_, 94, 105 Cytisine, 25, 27, 92 _Cytisus Laburnum_, 25, 27, 104 — _Scoparius_, 27, 104 — _Weldeni_, 25 _Daphne_ sp., 4, 8 — _Laureola_, 65, 105 — _Mezereum_, 65, 105 Daphnin, 65 Darnel, 8, 48, 82–84, 96, 103, 104 _Datura Stramonium_, 50, 103, 104 Daturine, 50 Deadly Nightshade, 4, 5, 8, 50, 52, 58, 103, 104 Delphinine, 11, 14 _Delphinium Ajacis_, 14 — _Consolida_, 14, 104 — _Staphisagria_, 14 Delphinoidine, 14 Delphisine, 14 Devil’s-Bit, 93 Digitalein, 61 Digitalin, 61 _Digitalis purpurea_, 61, 103, 104 _Digitin_, 61 _Digitonin_, 61 _Digitoxin_, 61 _Dioscorideæ_, 78 Docks, 63, 64 Dodders, 94 Dog’s Mercury, 67, 68, 100, 104 _Doronicum Pardalianches_, 105 Dropwort, Water, 37, 103, 104 _Drosera_ sp., 93 — _rotundifolia_, 105 Dulcamarin, 54 Dwarf Elder, 43, 104 Ecboline, 89 _Echium vulgare_, 94 Elder, Common, 43, 104 — Dwarf, 43, 104 _Endoconidium temulentum_, 83 Equisetaceæ, 84 Equisetine, 86 _Equisetum_ sp., 3, 84–87, 100 — _arvense_, 84, 85, 86, 87 — _heleocharis_, 85 — _maximum_, 83 — _palustre_, 85, 100 — _pratense_, 85 — _sylvaticum_, 85 Ergot, 8, 88–91, 103, 104