▁am ide , ▁or ▁L SA ), ▁although ▁the ▁valid ity ▁of ▁the ▁att ribution ▁remains ▁disput ed . ▁Ly ser g ic ▁acid ▁hydro xy eth yl am ide ▁and ▁erg on ov ine ▁are ▁also ▁considered ▁to ▁be ▁contrib uting ▁psych ed el ic ▁al kal oid s ▁in ▁the ▁plant . ▁While ▁erg ine ▁is ▁listed ▁as ▁a ▁Sch edule ▁III ▁subst ance ▁in ▁the ▁United ▁States , ▁parts ▁of ▁the ▁plant ▁itself ▁are ▁not ▁controlled , ▁and ▁se eds ▁and ▁plants ▁are ▁still ▁sold ▁by ▁many ▁nur series ▁and ▁garden ▁supp liers . ▁ ▁The ▁se eds ▁also ▁contain ▁g ly cos ides , ▁which ▁may ▁cause ▁n ause a ▁if ▁consum ed . ▁ ▁To xic ▁treat ments ▁Com mer cial ▁se eds ▁are ▁sometimes ▁treated ▁with ▁to xic ▁m eth yl mer cur y ▁( although ▁the ▁use ▁of ▁m eth yl mer cur y ▁has ▁been ▁b anned ▁in ▁the ▁US ▁and ▁the ▁UK ▁since ▁the ▁ 1 9 8 0 s ), ▁ ▁which ▁serves ▁as ▁a ▁pres erv ative ▁and ▁a ▁cum ulative ▁ne uro to xic ▁poison ▁that ▁is ▁considered ▁useful ▁by ▁some ▁to ▁disc ou rage ▁recre ational ▁use ▁of ▁them . ▁There ▁is ▁no ▁legal ▁requirement ▁in ▁the ▁United ▁States ▁to ▁disc lose ▁to ▁buy ers ▁that ▁se eds ▁have ▁been ▁treated ▁with ▁a ▁to xic ▁heavy ▁metal ▁comp ound . ▁According ▁to ▁the ▁book ▁Sub st ances ▁of ▁Ab use , ▁in ▁addition ▁to ▁m eth yl mer cur y