The present investigation sought to determine whether the stimulus properties of morphine and lysergic acid diethylamide (LSD) would generalize to several narcotic analgesics which vary in their subjective effects. Morphine and saline served as discriminative stimuli for one group of rats in a 2-lever discrimination task. LSD and saline were discriminative stimuli for a second group. Depression...
The fruiting bodies of C.laeve are several cm across, roundish, latercoalescing, soft and separable from the substrate.The colour is variable, brownish, light brownish-gray yellow to a gray brownwith a whitish, samewhat hairy margin.Upper surface smooth often cracked.Basidia 25-40-90 X 45.:_9 fl; spores obovate, sometimes slightly bent at the base 7-9-r2 X 45-7 fl (Bourd.and Galz.).In the...