The 19th on Flax, Broom[85], and Gardening.
The 20th on the Cultivated Plants that are proper for food and for medicine.
The 21st on Flowers and Plants that are used for making Garlands.
The 22nd on Garlands, and Medicines made from Plants.
The 23rd on Medicines made from Wine and from cultivated Trees.
The 24th on Medicines made from Forest Trees.
The 25th on Medicines made from Wild Plants.
The 26th on New Diseases, and Medicines made, for certain Diseases, from Plants.
The 27th on some other Plants and Medicines.
The 28th on Medicines procured from Man and from large Animals.