Note 33 — APPENDIX 6: PHYSIOLOGY OF PEYOTE
Reading edition
Loaeza, in del Campo, Peyote, 145. Koang-Hobschette (Les Cactacées, 41) says cactine, the active element of Cereus grandiflorus Mill. is used like digitalis as a cardio-tonic, strengthening the systole and diminishing the diastole like strychnine.