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<div>Various species of the genus Stipa are found from</div>
<div>Texas to Guatemala. In the White Mountains of</div>
<div>the region of the Rio Grande, Stipa vaseyi Scribn.</div>
<div>[syn. Stipa robusta (Vasey) Scribn.] is known by</div>
<div>the name popoton sacaton, which is probably of</div>
<div>Aztec origin (Emboden 1979, 191 *). This grass is</div>
<div>said to have inebriating effects and in Guatemala</div>
<div>supposedly is used as a sleeping agent. A related&nbsp;species, Stipa viridula, is purported to have a</div>
<div>narcotic effect (Emboden 1976, 161*). It has</div>
<div>recently been claimed that another species native</div>
<div>to the American Southwest, Stipa robusta, exhibits</div>
<div>strong psychoactive effects. This sleepy grass lives</div>
<div>in a symbiotic relationship with a fungus (Acremonium)</div>
<div>that is thought to produce the ergot alkaloid</div>
<div>D-Iysergic acid amide (cf. Turbina corymbosa) in</div>
<div>the seeds. It has been claimed that a dosage of nine</div>
<div>seeds will produce LSD-like effects (DeKorne</div>
<div>1995,127*). Ethnographic evidence for any psychoactive</div>
<div>use is lacking.</div>

[[Category:Ethnobotanical]]