Melt butter; cool. Mix thoroughly with crumbs. Press mixture onto bottom and sides of a well-greased 9" spring-form pan (or other round pan with deep sides). Bake in moderate oven (350°) 8 minutes. Cool.
Blend until smooth cottage cheese, cream cheese, eggs, the ½ c. sugar, 1 tsp. vanilla and salt. Pour into crust. Bake in moderate oven (350°) about 18 minutes, or until set.
Blend together sour cream, 2 tblsp. sugar and ½tsp. vanilla. Spread over top of cheesecake.
Arrange cherries and citron, poinsettia fashion, over cream topping. Chill overnight.