So Im pretty sure I was right about lysergic acid forming a zwitterion instead of a traditional salt.. The ph is adjusted similar to salting or freebasing but instead of the amine group bonding to the salt it bonds to the lysergic acid's carboxylic acid group, which is what is responsible for the solubility change. I have never heard of lysergic acid hcl, tartrate, whatever.
the fact that you "have never heard of lysergic acid hcl, tartrate, whatever", only means you have not researched properly. as i have stated before, lysergic acid does produce a salt with common acids, as is evident by the numerous publications on ergot alkaloids from the 1930s. some examples :
"The Alkaloids of Ergot. Part V. The Nature of Ergine". Smith and Timmis. J.Chem.Soc., 1934, 674-674 (page 675) reads :
"Lysergic acid sulphate was prepared by dissolving the acid in 0.2N-sulphuric acid by heating on a water-bath ; on cooling, the sulphate separated in clusters of thin plates, which blackened and frothed at 245C (Found : C, 60.6,60.4; H, 5.4, 5.3; N, 8.8, 8.8; S, 5.2. C16H16O2N2,0.5H2SO4. requires C, 60.5; H, 5.4; N, 8.8; S, 5.1%)."
also, "The Alkuloids of Ergot. Part VII. isoErgine and isoLysergic Acids", Smith and Timmis. J.Chem.Soc., 1936, 1440-1444 (page 1443) reads :
"isoLysergic acid nitrate was deposited in well-formed needles when 10% aqueous nitric acid was added to an aqueous solution of isolysergic acid. It melted and decomposed at about 185C. (Found for material dried at 80C in a vacuum : C, 55.0 ; H, 5.3 ; N, 11.7. C16H16O2N2,HNO3,H2O requires C, 55.0; H, 5.5; N, 12.0%)."
and from "The Ergot Alkaloids. III. On Lysergic Acid." by Jacbos and Craig., J.Biol.Chem., 106, 393 reads also :
"Lysergic Acid Hydrochloride-100 mg. of lysergic acid were dissolved in 4 cc. of dilute hydrochloric acid. After cooling the crystals which separated were collected with dilute HCl. When recrystallized from methyl alcohol the product melted with decomposition at 208-210C, depending somewhat on the rate of heating.
It was dried for analysis at 120” and 2 mm. C16H16O2N2.HCl. Calculated C63.03, H5.63, N9.19. Cl11.62. Found C62.93, H5.48, N9.31, Cl11.15".
there are other examples, look them up.