Biodiversity Heritage Library

By: Wagner, Richard J. - Wagner, Anstiss B. - Howard, Richard A. (Richard Alden),

Type: Article

In: Journal of the Arnold Arboretum

Volume: 50

Series:

Issue: 4

Date: 1969

Page Range: 556--565

Publication Info: Cambridge, Mass Arnold Arboretum, Harvard University [etc.] 1919-

Subjects: