AKTICLK X.-THE ECOLOGICAL BOTANY OF THE SUBANTAKC'ITC 



ISLANDS OF NEW ZEALAND. 



By L. Cockayne, Ph.D. (Munich). 



Contents. 



1. Introduction 



2. Leading Physiognomic Plants 



3. The Ecological Factors 



4. Special Ecology of the Plants 



(A.) General 

 (B.) Life-forms... 

 (a.) Trees 

 (ft.) Shrubs 



(y.) Herbaceous Plants 

 (i.) General 

 (ii.) Special Life-foiuis 



■■'■ The Rosette Form 

 ** The Cushion Form 

 '•■'** The Large-leaved Form 

 **** The Tussock Form 

 ***** The Mat Form, the Creeping Form 

 ****** The Tufted Form 



(iii.) Vegetative Parts 

 * Leaf 

 ** Stem 

 *** Root 

 (C.) Flowers ... 

 (D.) PoUination 

 (E ) Seed-dissemination ... 

 (F.) Variation according to Environment 

 (G.) Heterophylly 

 (H.) Persistent Dead Leaves, &c. ... 

 (I.) Seasonal Changes ... 

 (J.) Leaf-anatomy 



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