9. The different varieties of palm-trees, and their characteristics 173 10. The trees of Syria: the pistacia, the cottana, the damascena, and the myxa 178 11. The cedar. Trees which have on them the fruit of three years at once _ib._ 12. The terebinth 179 13. The sumach-tree _ib._ 14. The trees of Egypt. The fig-tree of Alexandria 180 15. The fig-tree of Cyprus 181 16. The carob-tree _ib._ 17. The Persian tree. In what trees the fruits germinate the one below the other 182 18. The cucus 183 19. The Egyptian thorn _ib._ 20. Nine kinds of gum. The sarcocolla 184 21. The papyrus: the use of paper: when it was first invented 185 22. The mode of making paper 186 23. The nine different kinds of paper 187 24. The mode of testing the goodness of paper 189 25. The peculiar defects in paper 190 26. The paste used in the preparation of paper 191 27. The books of Numa _ib._ 28. The trees of Æthiopia 193 29. The trees of Mount Atlas. The citrus, and the tables made of the wood thereof 194 30. The points that are desirable or otherwise in these tables 195 31. The citron-tree 198 32. The lotus _ib._ 33. The trees of Cyrenaica. The paliurus 200 34. Nine varieties of the Punic apple. Balaustium _ib._ 35. The trees of Asia and Greece; the epipactis, the erica, the Cnidian grain or thymelæa, pyrosachne, cnestron, or cneoron 201 36. The tragion: tragacanthe _ib._ 37. The tragos or scorpio; the myrica or brya; the ostrys 202 38. The euonymos 203 39. The tree called eon _ib._ 40. The andrachle 204 41. The coccygia; the apharce _ib._ 42. The ferula _ib._ 43. The thapsia 205