You definately need to educate yourself and erowid is a great place to start along with the lycaeum. Mourning glories, along with datura, hb woodrose, henbane, nightshade, mandrake, belladona, and a few others all contain the tropane alkaloids atropine, scopolomine and hyoscyamine which act as delerients and can cause real time hallucinations among other things. This may sound fun but the trip can be a real nightmare if you dont know what you're doing (read the reports) not to mention the fact that it is extremely easy to overdose. In other words stay away from this shit until you learn a little more. Dmt is another legal drug with rediculously strong powers and can be found in phalaris arundinacea, a common grass in north america. Dimethyltryptamine is one of the active constituants in ayahuasca and requires an maoi to be absorbed orally or can be freebased. It is not hallucinogen in the same sense as lsd or mescaline due to its harsh ego shattering nature. Alkaloids are heat sensative and cannot be smoked without the destruction of most of the material.

So be careful and if you arent will to put 100% effort into researching these plant compounds then buy a sack of some kgb and relax.