Begonia (Excalibur grex) 'Bloodstone' No. 820-Begonia 'Black Queen' x hatacoa 'Silver' (Excalibur g.) 'Bloodstone' Rex Cultorum group; rhizomatous, with erect, branching rhizome. Burgundy, 3" x 1)/," ovate leaves have a glabrous surface with ciliate margin and 6 veins. Petioles are hairy and red; stipules chartaceous, red. Pink flowers, borne in cymes on 8" to 12" peduncles, are of typical B. rex form and 1"-1)/," in diameter, with 4 male and 5 female tepals, blooming almost continually. The thin, shiny, deep red leaves-even deeper on new growth are carried on a small, compact plant. Originated in 1977 by Kit Jeans, Route 1, New Johnsonville, TN 37134; first bloomed in 1978; first distributed in 1980. Tested by Thelma O'Reilly, 10942 Sunray Place, La Mesa, CA 92401. Registered April 1, 1980.