Forming thickets in depressions on the Oakland hills, at 2,000 feet elevation, and along streams in the valleys. Clay soil—three to four feet high.
Sambucus glauca Nutt. Elder.
Sambucus pubens Michx. Red-Berried Elder.
Dry hill sides and borders of wet places. S. glauca, often tree-like and twenty feet high. Oakland, Marin County.
Aplopappus Laricifolius Gray.
A low fastigiate-branched shrub, one to three feet high; very common in drift-sand on the peninsula of San Francisco.
Linosyris ——?
A beautiful little shrub, three to five feet high, with upright branches and long linear leaves, densely set. Branchlets and leaves covered by a resinous exudation. In glades on the northern slopes of Tamal Pais, 1,500 to 2,000 feet elevation.
Grindelia ——?
A low shrub, two to six feet high, bordering the channels in the salt marshes at Oakland and San Rafael.