Agaricus Procerus
T. F. Allen - Encyclopaedia of Pure Materia Medica · Timothy Field Allen · 451 chars
General
A. procerus, Scop. (Parasol mushroom.) Found in England, common in pasture (also in Pennsylvania). Stem, 8-12 inches high. Esculent .
Authority. Poisoning cases.
Furious delirium, with frantic cries and vehement resistance to remedies, followed by a state like delirium tremens.
Insensibility. Giddiness and staggering, as if intoxicated. Pupils contracted; dilating as sensibility returns. Occasional convulsive spasms. Debility. Drowsiness.