ix] A Classification of Poisons 105 
4. SIMPLE IRRITANTS. Symptoms : Burning pain in the throat and stomach ; 
thirst; nausea; vomiting; tenesmua; purging; dysuria; dyspnoea 
and cough occasionally. Death through shock; convulsions; exhaus- 
tion; or starvation due to injury to throat or stomach. 
British Plants included : Arum maculatum, Daphne Laureola, Daphne 
Mezereum, Narcissus moschatus, Narcissus poeticus, Scilla bifolia, 
Galanthus nivalis, Hyacinthus nonscriptus, Fritillaria meleagris, Cle- 
matis Vitalba, Anemone nemorosa, Anemone appenina, Ranunculus 
aquatilis, B. Flammula, R. Ficaria, R. auricomus, R. sceleratus, R. acris, 
R. bulbosus, Aquilegia vulgaris, Bryonia dioica, Ligustrum vulgare, 
Asarum europaeum, Saponaria officinalis, Valeriana officinalis, Agro- 
stemma Githago, Doronicum Pardalianches, Impatiens noli-me-tangere, 
Erysimum cheiranthoides, Cynoglossum officinale, Arctostaphylos Uva- 
ursi, Tamus communis, Euonymus europseus, Rhamnus catharticus, 
Glaucium luteum, Roemeria hybrida, Papaver Rhoeas, Chelidonium 
majus, Sedum acre, Sedum album, Drosera rotundifolia, Linaria vulgaris, 
Iris Pseudacorus, Iris foetidissima, Buxus sempervirens, Crocus sativus, 
Euphorbia Peplis, E. pilosa, E. Heh'oscopia, E. platyphylla, E. hiberna, 
E. portlandica, E. Paralias, E. Peplus, E. exigua, E. Lathyris, E. amyg- 
daloides, Urtica dioica, U. urens, U. piluUfera, Viscum album, Lepidium 
latifoh'um. 
6. SIMPLE IRRITANTS WHEN TAKEN IN LARGE QUANTITIES. Symptoms : 
Burning pain in throat and stomach, vomiting; purging; difficulty in 
swallowing. Recovery usual. 
British Plants included : Sinapis alba, and S. nigra. 
