LIST OF ILLUSTRATIONS 



Fia. PAOE 



1. Seedling of Mustard, showing Root-Hairs - - - 26 

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

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

 Particles - - - 26 



3. Epidermis, with Stomata, from the Under Side of a Leaf - 20 



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



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



6. Cypress, showing Conorescent 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 mdanoxylon, showing Transition from 



Ordinary Petiole to PhyUode - - 44 



14. Cytisv^ sco'parius (Common Broom) - - - - 45 



15. ^jiscus octtZea/MS (Butcher's-Broom), showing Cladodes arising 



in AxUs of Leaves and Each bearing a Flower 45 



10. Lycopodium davatum (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 Potamogeion crispus 51 



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



Leaves 54 



20. Chmbing 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 Sho'^t of Maple, with Leaves arranged in One 



Plane - - - - - - 71 



xx. 



