Family Mimosaceae: The members of sub family Mimosaceae are trees or shrubs, very rarely herbs. They are found in the tropical zone and are especially numerous in Africa and Australia. They are rare in the sub-tropical region of the northern hemisphere. The member exhibit tonic and astringent, emetic, antiperiodic and anthelmintic properties. Many yield demulcent gums. The sub family of Mimosaceae includes 23 genera with about 550 species. Some of the important genera are Acacia sp., Albizzia sp., Entada sp., Leucaena sp., Neptunia sp., Prosopis sp., Parkia sp., Mimosa sp., Pithecolobium sp. 30. Entada pursaetha DC. ssp. sinohimalyenesis Grierson and Long. Syn. E.scandens Auct. ‘Pangra’ ( Mimosaceae ) :- Inhabitants of Sikkim apply the paste of its kernel locally to cure mumps (Hajra and Chakraborthy, 1981). Gond, Halba and Maria tribes of Abujmarh area in Madhya Pradesh use the paste of the seeds for curing paralysis. The paste is rubbed on the affected part 3-4 times a day (Roy and Chaturvedi, 1987). 31. Acacia chundra ( Rottl. ) Willd. Syn. Acacia sundra DC. ‘Kair’ ( Minosaceae ) :- Bhils , Nayakas and other tribal communities of Gujrat , use its wood for leucoderma. Paste of wood is applied locally . 32. Albizzia lebbek Benth.‘ khairi’ ( Mimosaceae ) :- Fresh decoction is used three times daily in stomach troubles and dysentery in Bihar by many tribes. 36. Neptunia triquetra Bent. ‘Lajalu’ ( Mimosaceae ) :- Kols, Gonds, Lodhs and Gujars of Banda district in Uttar Pradesh give extract of its root for for dysentery (Saxena and Vyas, 1981). The present investigation shall concentrate on collecting data from the different areas out of Rajasthan specially rural and tribal areas where of herbal drugs is most common and other ethnobotanical practices shall be reported on this blog in following series.