Figure 1. White Pine (Pinus strobus). Source of medicine. See pages [379], [421].

Figure 2. Norway Pine (Pinus resinosa). Source of medicine. See pages [379], [421].

BULL., PUBL. MUS., MILW.

VOL. 4, PL. LXIII.

EXPLANATION OF PLATE LXIV.

Figure 1. Bur Oak (Quercus macrocarpa). Source of medicine. See page [369].