Note 94 — EXOGENOUS TREES. (Dicotyledons.) (continued 2)
Reading edition
Several of the fungoid parasites cause swellings known as "cedar apples." The branches usually die. Professor von Schrenk recognizes two diseases of the wood, white rot (Polyporus juniperus Schrenk) and red rot (Polyporus carneus). (Bulletin No. 21, Division Vegetable Physiology and Pathology, U. S. Dept. Agriculture.)