The present invention relates to a sublingual dosage form comprising decarboxylated cannabis plant material, and a dispenser for delivering at least one pharmacologically active cannabinoid from the decarboxylated cannabis plant material contained inside the dispenser into the sublingual cavity of a subject when the dispenser is placed within the subject's sublingual cavity with the decarboxylated cannabis plant material contained therein. Also disclosed are a method and apparatus for preparing the sublingual dosage form, and compositions and kits comprising the sublingual dosage form.