Ruby & Webb are 2 varieties of this citrus fruit
[DOC] [TLE] The Origins of Red Pigmented Grapefruits and the Development of ... [PAR] pigmented fruits, Ruby Red in 1929, and Redblush in 1931; these two were later 
widely planted in Texas, .... patented in 1934, becoming the first citrus variety to 
receive a ... named Webb Redblush, later shortened to Redblush; the.