Fig. 146. Buchu Leaves and Adulterant.
A, Leaf of Empleurum serrulatum.
B, Leaf of Barosma betulina (enlarged).
C, Leaf of Barosma seratifolia.
D, Leaf of Barosma crenulata.
This image is from Buchu in Sayre's Manual of Organic Materia Medica and Pharmacognosy, 1917.