A small tree ten to fifteen feet high, on the outcroppings of white sandstone in the Oakland hills, third ridge eastward; rare.
Pinus contorta Dougl.
A medium sized tree, ovate in outline. Hills of Marin County; rare.
Abies Douglasii Lindl. Oregon Pine.
A very large tree, yielding excellent timber. Grows with S. sempervirens in small groves on the northern slopes of hills, Marin County.
Cupressus Mac-Nabiana? Murray. Cedar.
A spreading shrub, eight to twelve feet high, on Tamal Pais; rare.
Dr. Behr presented the following article: