Today's free book is Myths and legends of flowers, trees, fruits, and plants in all ages and in all climes by Charles M. Skinner (1907). For the table of contents, check at the bottom of this post below the image.
The book is available at Hathi Trust (I have not checked for other online sources).
Table of Contents
PLANT LORE
EARLY CHRISTIAN LEGENDS
FAIRY FLOWERS
NARCOTICS AND STIMULANTS
PLANTS OP ILL RENOWN
FLOWERS, TREES, FRUITS, AND PLANTS
Acacia
Acanthus
Achyranthes
Aconite
Alligator Tail
Almond
Amaranth
Anemone
Apple
Arbutus
Arum
Ash
Avocado Pear
Balm
Balm of Gilead
Basil
Bean
Beech
Birch
Blackberry
Blood Tree
Box
Briony
Broom
Bugloss
Cabbage
Cactus
Camelia
Campanula
Camphor
Canna
Carnation
Carob
Cedar
Chamomile
Cherry and Plum
Chestnut
Chicory
Chrysanthemum
Cinchona
Cinnamon
Citron
Clematis
Clover and Shamrock
Columbine
Cornel
Cornflower
Cotton
Crocus
Crowfoot
Crown Imperial
Cucumber
Cypress
Dahlia
Daisy
Dandelion
Dhak
Ebony
Edelweiss
Egg-plant
Elder
Elm
Eryngo
Fern
Fig
Fir
Flax
Flowers of Parnassus
Forget-me-not
Gentian
Geranium
Ginseng
Grasses, Grains, and Reeds
Hawthorn
Hazel
Heath
Heliotrope
Hellebore
Hemlock
Hemp
Horehound
House-leek
Hyacinth
Hypericum
Indian Plume
Iris
Jambu, or Soma
Jasmine
Juniper
Larch
Larkspur
Laurel
Leek
Lily
Lily of the Valley
Lilac
Linden
Lotus
Maguey
Maize
Mallow
Mandrake
Mango
Maple
Marigold
Marjoram
Melon
Mignonette
Mimosa
Mint
Mistletoe
Morning-glory
Moss
Motherwort
Mulberry
Mustard
Myrrh
Myrtle
Narcissus
Nettle
Oak
Oleander
Olive
The Onion and Its Kind
Orange
Orchid
Palm
Pansy
Passion Flower
Paulownia
Pea
Peach
Peepul
Peony
Pimpernel
Pine
Plantain
Pomegranate
Poplar
Poppy
Primrose
Pumpkin
Radish
Ragweed
Resurrection Plant
Rose
Rosemary
Rue
Sage
Saint Foin
St. Johnswort
Sal
Saxifrage
Shepherd's Purse
Silk Cotton
Snowdrop
Speedwell
Springwort
Spruce
Stramonium
Strawberry
Sugar
Sunflower
Tamarisk
Thistle
Tulip
Valerian
Violet
The Vines
Wallflower
Walnut
Water-lily
Willow
Wormwood
Yew
Ylang-ylang