| Provider of a hippie's high | 31 |
| Project MKULTRA drug | 20 |
| Powerful psychedelic | 20 |
| Petty "Girl on ___" | 29 |
| Onetime aid in psychotherapy | 28 |
| One way to change your mind? | 28 |
| Narc's haul | 15 |
| Much-discussed initials of a 1967 Beatles song | 46 |
| Mind-influencing drug | 21 |
| Mind-expander of a sort | 23 |
| Mind-blowing material, briefly | 30 |
| Means to the high life? | 23 |
| Means of changing one's mind | 32 |
| Letters associated with Timothy Leary | 37 |
| Leary's Special Dose? | 25 |
| Leary's prescription | 24 |
| Leary's hallucinogen | 24 |
| Leary's acid | 16 |
| Leary's 'prescription' | 34 |
| ItÂ’ll make you see things | 29 |
| It's usually tripped on deliberately | 40 |
| It's taken for some trips | 29 |
| It's taken for a trip | 25 |
| It's psychedelic | 20 |
| It's dropped to start a trip | 32 |
| It's dropped before tripping | 32 |
| It'll send you on a trip | 28 |
| It'll change your mind | 26 |
| It was formerly used to treat alcoholism | 40 |
| It sent Timothy Leary on a trip | 31 |
| It sends people on trips | 24 |
| It might make you see things | 28 |
| It might come with a sugarcube | 30 |
| It might be taken before a trip | 31 |
| It might be on a blotter | 24 |
| It may make you see things | 26 |
| It may be dropped when one trips | 32 |
| It made Leary bleary? | 21 |
| It helped Dr. Leary take some trips | 35 |
| It greatly improves Animal Collective records | 45 |
| It can have you seeing things | 29 |
| Illegal "acid" | 24 |
| If you drop it, you may trip | 28 |
| If you drop it, you may see things | 34 |
| Hot Hot Heat song "JFK's ___" | 43 |
| Hits from the 1960s? | 20 |
| Hardcore punkers Rich Kids on ___ | 33 |
| Hallucinogenic stuff | 20 |
| Hallucinogenic monogram | 23 |
| Hallucinogenic chem. | 20 |
| Hallucinatory drug, for short | 29 |
| Grain-fungus drug | 17 |
| Fuel for some trips? | 20 |
| Flashback cause, maybe | 22 |
| Eng. money, formerly | 20 |
| Eng. monetary units, formerly | 29 |
| Drug, for short | 15 |
| Drug used in old CIA mind-control experiments | 45 |
| Drug used for "candy flipping" | 40 |
| Drug that's dropped | 23 |
| Drug that was dropped in the '60s | 37 |
| Drug that causes tripping | 25 |
| Drug that can cause flashbacks | 30 |
| Drug that can cause an acid trip | 32 |
| Drug tested on U.S. citizens by the CIA in the 1950s | 52 |
| Drug taken by Timothy Leary | 27 |
| Drug sold on blotting paper | 27 |
| Drug sold in microdots | 22 |
| Drug once tested extensively by CIA employees | 45 |
| Drug once available under the commercial name Delysid | 53 |
| Drug on blotter paper | 21 |
| Drug in some fabulously misguided episodes of "Dragnet" | 65 |
| Drug in "Apocalypse Now" | 34 |
| Drug derived from ergot | 23 |
| Drug called "acid" | 28 |
| Drug banned in the U.S. in 1967 | 31 |
| Drug also known as sugar | 24 |
| Drug "dropped" in the '60s | 40 |
| Deadhead's supply | 21 |
| Dangerous drug | 14 |
| Concert contraband | 18 |
| Chemical find of 1943 | 21 |
| Certain turn-on | 15 |
| Certain illegal turn-on | 23 |
| Cause of tripping? | 18 |
| Cause of some trips | 19 |
| Cause of some flashbacks | 24 |
| Cause of many trips, once | 25 |
| Cause of a trip in "Easy Rider" | 41 |
| Cause of a hippie high | 22 |
| C20-H25-N3-0 | 12 |
| Br. money | 9 |
| Blotting paper application | 26 |
| Blotter paper substance | 23 |
| Blotter material | 16 |
| Bit of psychedelia | 18 |
| Agent of psychedelic therapy | 28 |
| Acidhead's drug | 19 |
| Acid, in the 60's | 21 |
| Acid in the '60s | 20 |