Saffron1reported 4 cases of lichen planus in one family and reviewed the literature to date. I have recently observed 3 cases in one family that I wish to report. REPORT OF CASES E. H., a white man aged 28, consulted me in November 1941 for an eruption on the legs of seven years' duration. The lesions continued to the anterior and lateral aspects of the tibias and were of the chronic hypertrophic variety of lichen planus. Mrs. R. H., aged 47, mother of E. H., consulted me in February 1942 for an eruption which had been present for five years. She had hypertrophic lichen planus on both legs similar to her son's, and she also had lichen planus on the buccal surfaces of the cheeks. Mrs. S. V., aged 19, sister of E. H., not living at the same address, consulted me in February 1942 for a generalized