AN
ILLUSTRATED FLORA
OF THE
PACIFIC STATES
WASHINGTON, OREGON, AND CALIFORNIA
BY
LEROY ABRAMS, Ph.D.
PROFESSOR OF BOTANY, STANFORD UNIVERSITY
IN THREE VOLUMES
VOL. I
OPHIOGLOSSACEAE TO ARISTOLOCHIACEAE
FERNS TO BIRTHWORTS
STANFORD UNIVERSITY
CALIFORNIA
STANFORD UNIVERSITY PRESS
1923
