HANNIBAL: A PLIOCENE FLORA FROM CALIFORNIA 337 
a short distance beyond Sequoia into the chaparral belt. South- 
western Oregon to Santa Barbara and Mariposa counties, Cali- 
fornia. 
Quercus chrysolepis Liebmann. (PLATE15,FIG.2,9.) Cafion oak. 
Several acorn cups and a large series of leaves, nearly all of 
the small smooth form from mature trees, are at hand. 
A characteristic member of the more humid portions of the 
chaparral belt. Southwestern Oregon to northern Lower Cali- 
fornia. 
Quercus agrifolia Née. Live oak. 
A species of wide zonal distribution, occurring in the redwood, 
yellow pine, foothill, and chaparral belts. Mendocino County, 
California, to northern Lower California. 
GROSSULARIACEAE 
Grossularia Menziesii (Pursh) Coville & Britton. Cafion goose- 
berry. 
A number of specimens agree fairly well with this species. 
The identification is a doubtful one, however, since the leaves 
of the members of this genus are not readily distinguishable. 
Stream banks, southern Oregon, south nearly to San Francisco 
Bay in the Coast Ranges. 
ROSACEAE 
Cercocarpus betulaefolius Nuttall. Birch-leaf mahogany. 
A typical chaparral shrub. California-Oregon boundary south 
to northern Lower California. 
MALACEAE 
Amelanchier alnifolia Nuttall. Western serviceberry. 
A single specimen having the strong frequent venation and 
smooth margin of the form called A. pallida. 
Chaparral belt. Alaska east to Lake Superior, south to 
California-Mexico boundary and New Mexico. 
AMYGDALACEAE 
Padus demissa (Nuttall) Roemer. Western chokecherry. 
The impressions show little of the serrated margins character- 
