EXPLANATION OF PLATES 



177 



Plate LXXXIX. Facing page 124 



Rose Willow— Salix purpurea (page 132) 



Fig. 1. Twig with male catkins 



„ 2. Bud 



„ 3. Scale 



,, 4. Scale with unopened anther 



,, 5. Flowering male catkin 



„ 6. Male flower 



„ 7. Female catkin 



„ 8. Separate flower 



,, 9. Innerside of female flower 



,, 10. Catkin in seed 



,, 11. Twig with opening leaves 



,, 12. Young leaf-shoot 



,, 13. Twig with developed leaves 



Plate XC. Facing page 124 



Alder — Alnus glutifiosa (page 134.) 



Fig. I. Branch in leaf 



„ 2. Young male catkin 



„ 3. Flowering male and female catkins 



,, 4 and 5. Male scale and flower (upperside) 



,, 6. Male scale and flower (lowerside) 



Fig. 7. Flower 



,, 8. Female catkin 



„ 9. Scale from above 



„ 10. Scale from below (with styles) 



,, 11. Young seed catkin 



„ 12. Ripe seed catkin 



„ 13 and 14. Scale, with seed 



„ 15 and 16. Seeds 



,, 17. Transverse section of seed 



„ 18. Longitudinal section of seed 



Plate XCI. Facing page 126 

 Yew Tree — Taxus baccata (page 13 j) 



Fig. 1. Spray with berries (reduced) 



,, 2. Leaf with male flower in axil (natural size) 



„ 3. Male flower, showing stamens (enlarged) 



„ 4. Connectivum (upperside) 



„ 5. Connectivum (lowerside) 



„ 6. Female flower (natural size) 



„ 7. Female flower (magnified) 



,, 8. Unripe fruit 



„ 9. Ripe fruit 



10 to 12. Seeds 



12 



