viii BUDS AND STIPULES 



CHAPTER III 



ON THE DEVELOPMENT OF LEAVES AND STIPULES 



TAGK 



Origin of Leaves The Growing- point : Aucuba, Common 

 Laurel, Tulip Tree, Rose Basipetal and Basifugal de- 

 velopment : Centaurea, Galium Ocrea : The Plane, Poly- 

 gonum Vernation : Conduplicate, Plicate, Circinnate, Re- 

 volute, Involute, Equitant, Convolute Leaves of Water 

 Plants Fleshy Leaves: Mistletoe, Saxifrage, Aloe 

 Monocotyledons Palms Aroids 46 



CHAPTER IV 



ON THE PROTECTION OF BUDS 



Delicacy of Young Leaves Grew's Description Position as- 

 sumed by Buds Diminution of Radiation Darwin's Sug- 

 gestion Protection by Leaf-base, by Modified Leaves, by 

 Leaf -stalk, by Stipules, by Connate. Stipules, by Spines, by 

 Hair, by Gum or Resin Protection by Older Organs : 

 Uvaria, St. John's Wort, Berberry Protection by Leaf -stalk : 

 Walnut, Box Elder, Sophora, Citharexylum, Rhus, Kalmia, 

 Plane, Philadelphus (Syringa), Actinidia, Robinia, Broom, 

 Whitebeam, Clematis Protection by Stipules: Virginian 

 Creeper, Pea, Lathyrus, Vine, Petteria, Guaiacum, Gardenia, 

 Alstonia, Spergularia Protection by Hairs : Polygonum 

 amphibium, Viburnum, Horse Chestnut, Plane, Stachys, 

 Nettle Protection by Gum or Resin : Horse Chestnut, 

 Poplar, Hazel Nut, Honeysuckle, Currant, Hornbeam, 

 Elder, Alder, Violet, Salvia, Dock, Rhubarb, Chilocarpus, 

 Tabernaemontana 66 



CHAPTER V 



ON THE STRUCTURE OF BUDS 



Whitebeam Alder Magnolia Protection by the Leaf-base : 

 Rose, Portugal Laurel, Maple, Ash, Horse Chestnut Protec- 

 tion by Leaf-blade : Lilac, Holly, Willow, Viburnum (Guelder 



