collection of medicinal plants and its uses . how to prepare medicine using those med. plants??

plz help me on this . give the names of @least 13 common medicinal plants ?

There are many medicinal plants Some of them are as follows:
Amla: Cough , Diabetes, cold, Laxative, hyper acidity.
Ashoka tree: Menstrual Pain, uterine, disorder, Deiabetes.
Tulsi: Cough, Cold, bronchitis,expectorand.
Ashwagandha:  Restorative Tonic, stress, nerves disorder, aphrodiasiac.
Henna: Burning, Steam, Anti Imflamatary.
Neem:  Sedative, analgesic, epilepsy, hypertensive
Cinnamomum:   Bronchitis, Asthma, Cardiac, Disorder, Fever.
Clove:  Use in dentistry as a local-anesthetic and antiseptic for teeth and gum.
Sage:  Used for digestive problems, including loss of appetite, gas stomach pain, heart burn,diarrhea.
Fever, few  headaches ,joint inflammation
Sarpagandha:   Hyper tension, insomnia.
Aleo vera:    to heal sunburn, Fight Athlete's Foot,Use as an antidote to allergic skin reactions.
Cassia tora:   proves worthwhile in treating piles and hemorrhoids