Today's free book is Flowers and flower lore by Hilderic Friend (1889). 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
1. The Fairy Garland
2. From Pixy To Puck
3. The Virgin's Bower
4. Bridal Wreaths And Bouquets
5. Flowers For Heroes, Saints, And Gods
6. Traditions About Flowers
7. Proverbs Of Flowers And Plants
8. Flowers And The Seasons
9. The Magic Wand
10. Superstitions About Flowers
11. Flowers And Showers
12. Curious Beliefs Of Herbalists
13. Sprigs And Sprays In Heraldry
14. Strange Facts About Plant Names
15. The Language Of Flowers
16. Rustic Flower Names
17. Peculiar Uses Of Flowers And Plants
18. Witches And Their Flower-Lore
19. Flowers And The Dead
20. Wreaths And Chaplets
Critical And Biographical Notes
Index To Illustrations
Index To Names And Matter
Additions And Corrections