Sclerotia extract of .................. fungus produce a powerful hallucinogenic drug LSD and drug ergotine.
Claviceps purpurea is an ergot fungus that grows on the ears of rye and related cereal and forae plants. Consumption of grains or seeds contaminated with the survival structure of this fungus, the ergot sclerotium, can cause ergotism in humans and other mammals. Ergotine is a powerful astringent alkaloid extracted from ergot as a brown, amorphous, bitter substance. It produces hallucinating effect on humans. Thus, the correct answer is option A.