A B. Woody fibres (magnified) of Savin; showing aa, the pores.
C D. Magnified extremity of the leaf of Savin, showing the subulate linear leaves.
E. Magnified extremity of the leaf of Yew (Taxus baccata), showing the linear acute leaves.

This image is from Common Savin in Pereira's Elements of Materia Medica and Therapeutics, 1854.