Figure 29 - Panaeolus cyanescens in Hawaii (USA). Figure 30 - Gymnopilus purpuratus on sawdust.
maps showing distribution patterns for <strong>the</strong> European Panaeolus species. Taxonomic Confusion On May 25, 1986, in <strong>the</strong> village of Heringsdorf on <strong>the</strong> Eastern German Sea Coast, I found 147 fruiting bodies of Panaeolus subbalteatus in all stages of development. They were growing on a compost heap that originally contained horse manure. Unlike <strong>the</strong> Psilocybe species, Panaeolus mushrooms can be found anytime from spring throughout <strong>the</strong> fall season. The differentiation of Panaeolus species is fur<strong>the</strong>r hindered because <strong>the</strong>y are very hygrophanous, with caps whose colors can change from whitish to grey, or from reddish brown to a very dark black-brown. Older mushrooms on <strong>the</strong> compost heap had caps that had cracked with age, and margins that had curved upwards and were covered with spore dust. Only two mushrooms had blue-stained caps, and <strong>the</strong> stems did not change color in reaction to pressure. In <strong>the</strong> American literature Panaeolus subbalteatus has been labeled "Panaeolus variabilis", because some of <strong>the</strong> stems imitate <strong>the</strong> appearances of o<strong>the</strong>r mushroom species and <strong>the</strong>reby contribute to <strong>the</strong> taxonomic confusion. The species is also known to grow in <strong>the</strong> immediate vicinity of Panaeolus foenisecii (Pers.:Fr.) Kiihn., creating more opportunities for mistakes, especially if <strong>the</strong> mushrooms are not closely inspected. The caps of Panaeolus subbalteatus become flat as <strong>the</strong> mushrooms age, a feature that is taxonomically significant. The cap's long, watery marginal zone gives <strong>the</strong> mushroom its name. Only <strong>the</strong> psilocybin-producing species will be discussed in more detail below. Results from recent comprehensive analyses clearly show that Panaeolus subbalteatus is <strong>the</strong> most important psychoactive European species among <strong>the</strong> genus Panaeolus. Ola'h's world monograph about <strong>the</strong> genus Panaeolus was published in <strong>the</strong> 1960s and has caused much confusion, since he described a number of species as "latent psilocybinproducers". He proposed, for example, that Panaeolus foenisecii occasionally produces psilocybin. All Panaeolus species share one characteristic that differentiates <strong>the</strong>m from all o<strong>the</strong>r species discussed in this book: They produce 5-substituted indole compounds, such as serotonin and its biochemical precursor, 5hydroxytryptophan. Serotonin is a compound widely found in animals and humans. It acts as a neurotransmitter in <strong>the</strong> brain, even though not all of serotonin's effects have been entirely understood. It should be noted, however, that both serotonin and 5-hydroxytryptophan are completely inactive when taken orally. When performing paper or thin-layer chromatographies, both of <strong>the</strong>se substances can easily be mistaken for psilocin. It is remarkable that Ola'h's results contradict current findings, in that his data frequently showed <strong>the</strong> existence of psilocin in Panaeolus species! More recent studies of carefully identified mushroom material from <strong>the</strong> European Panaeolus species did not document substantial amounts of psilocin in <strong>the</strong>se samples. Also, "chemical races" associated with specific species could not be established. I believe that almost all accidental intoxications can be traced to ingestion of Panaeolus subbalteatus, with <strong>the</strong> possible exception of one case caused by an imported tropical species. Very little is said in <strong>the</strong> literature about Panaeolus retirugis, its area of distribution and chemical composition. The intoxication case from Bremen, however, indicates that this species is psychoactive (see Figure 28). In 1985, I found two fruiting bodies in a pasture, whose dried weight contained 0.03 - 0.05 % psilocybin, as well as serotonin. All of <strong>the</strong> mushrooms' features, such as wrinkled, fleshcolored caps, corresponded to descriptions of Panaeolus retirugis. Based on his analyses, Stijve concluded that <strong>the</strong> dried fruiting bodies of Panaeolus subbalteatus contain about 0.1 % psilocybin, regardless of location, as well as a tiny amount of baeocystin. Still, accounts of intoxications with consistently potent psychoactive effects would seem to provide evidence against such small amounts of alkaloids in Panaeolus subbalteatus. Indeed, dried mushrooms from <strong>the</strong> Pacific Northwest region of <strong>the</strong> United States have been reported to contain 0.16% - 0.65% psilocybin. Moreover, <strong>the</strong> first analyses of <strong>the</strong> species in North America (1959) led to <strong>the</strong> isolation of a water-soluble indole compound which is now generally thought to be baeocystin. My own analyses of mycelia and 19 fruiting bodies from <strong>the</strong> Heringsdorf location indicated levels of
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- Page 31 and 32: from the mycelia. For instance, oth
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popularity. However, it is possible
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CHAPTER 7.5 JAPANESE EXPERIMENTATIO
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CHAPTER 7.6 INTOXICATIONS AND THE O
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annular ring. The mushrooms are com
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Figure 60 - Psilocybe samuiensis on
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German Tourist Boom On Koh Samui an
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psychoactivity. Even though basic r
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short-term and patients experienced
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Figure 62 - "Peter Pan in Kensingto
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therapeutic settings. The alkaloid
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moss and I saw horns. It was a kind
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Figure 64 - Laboratory culture of P
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Europe's only region where traditio
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Figure 68 - Inocybe aeruginascens f
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Figure 71 - Psilocybe stuntzii on m
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Zauberpilzen. Helv. Chim. Acta, 42,
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3. General Reference Books Bresadol
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Psilocybe species and an investigat
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Verrill, A.E. (1914). A recent case
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INDEX (With Active Links' Just Clic
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Psilocybe spp., 4, 5, 9, 10-12, 14-
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PHOTO AND ILLUSTRATION CREDITS (lis