According to DeadEssays blog, there was a misprint on the poster for the Carousel Ballroom run from 5/31-6/2. The poster had the wrong dates of 5/30-6/1.
ad: San Francisco Express Times, May 30, 1968, p. 13; lists shows May 31, June 1-2. Probably neither May 30 nor June 2 took place.
Partial Set 1: Jam > Dark Star > China Cat Sunflower > The Eleven > Born Cross-Eyed Set 2: Cryptical Envelopment > The Other One > Cryptical Envelopment, Alligator > Feedback