Rare Tumor in Coast Redwood, Sequoía sempervirens

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Science  05 May 1961:
Vol. 133, Issue 3462, pp. 1420-1422
DOI: 10.1126/science.133.3462.1420


A rare tumor on a conifer, Sequoia sempervirens, is described as it appears in situ and in section. Evidence is given which indicates, but does not prove, that the tumor had a developmental origin.