Fig. 176. Cola (Kola nut).
—Showing longitudinal section of fruit x ¼; cross-section of red seed x ½; longitudinal section of red seed showing embryo x ⅓; cross-section of red seed x ½; longitudinal section of white seed. (After Kohler.)
This image is from Cola nut in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.