LIST OF ILLUSTRATIONS 



1. Seedling of Mustard, showing Root-Hairs - 25 



2 Longitudinal Section of Part of a Root-Tip, showing Outer 

 Tissues of Root and Root-Hairs, surrounded by Soil- 

 Particles - 25 



3. Epidermis, with Stomata. from the Under Side of a Leaf - 26 



4. Vertical Section of Part of a Leaf cut through a Stoma - 27 



5. London-Pride, showing Rosette-Habit - 37 



6. Cypress, showing Concrescent Type of Leaf - - 39 



7. Stonecrop (Sedum acre), showing Crowded Succulent Leaves - 39 



8. Section of Part of a Pine-Leaf, with deeply-sunk Stoma - 40 



9. Transverse Section of Rolled Leaf of Erica cinerea - - 41 



10. Salicornia herbacea (Glasswort), showing Succulent Stems 



and Minute Adpressed Leaves - - 42 



11. Transverse Section of Rolled Leaf of the Marram- Grass 



(Psamma arenaria) - 43 



12. Erica Tetralix, showing Heath Type of Leaf - - 43 



13. Seedling of Acacia melanoxylon, showing Transition from 



Ordinary Petiole to Phyllode - 44 



14. Cytisus scoparius (Common Broom) - - 45 



15. Ruscus aculeatus (Butcher's -Broom), showing Cladodes arising 



in Axils of Leaves and Each bearing a Flower - 45 



16. Lycopodium clavatum (Common Clubmoss). with Small, 



Crowded Leaves - - 46 



17. Transverse Section of Submerged Stem of Water-Violet 



(Hottonia palustris) - 48 



18. Formation of Brood-Bud in Potamogeton crispus - 51 



19. Hydrocharis Morsus-rance (Frogbit). showing Broad Floating 



Leaves - 54 



20. Climbing Shoot of Ivy, showing Leaf -Mosaic - - 69 



21. Flowering Shoot of Ivy, with Leaves standing out on all 



Sides of Stem - 69 



22. Erect Shoot of Maple, with Leaves standing out on all Sides 



of Stem - - 70 



23. Horizontal Shoot of Maple, with Leaves arranged in One 



Plane . - 71 



iz 



