See 22 AECD-3446(App.) Fig. 8—- Photomicrographs of abnormal primordia from tumors. (x 145). Primordia such as the two pictured here were among the more ‘‘normal’’ type found in the tumors, A, suberized surface celis; B, ‘‘young leaf’’; C, parenchyma; and D, conducting tissue. E» : ms 3 _ UNIVERS UNIV. OF