PLATE 100 



11 



v^ 



CROSS-SECTION OF BUCHU STEMS (Barosma betulina [Berg.], Earth, and Wendl.) 



i. Hairs. 2. Wavy epidermis. 3. Cortical parenchyma. 4. Secretion 



cells and cavity. 5. Group of bast fibres. 6. Sieve cells. 7. Medullary rays. 



loem parenchyma. 9. Vessels. 10. Wood fibres, and wood parenchyma. 



II. Pith parenchyma. 



