No. 542 - Begonia (B. 'Black Knight' X B. 'Chumash') 'Lillian Patburg' Originated by Goldie Frost, address above, in 1973, blooming first in 1975, this very compact rhizomatous plant has light-green leaves, scallop- edged with hairs, 3 in. starshaped, moderately cut, texture smooth; petioles slightly hairy; stipules with hairy collar. Blooms spring and summer with pale-pink, two petaled, ½ x 1 in. flowers on 15 in. stem. Registered August 23, 1976.