xii 



CONTENTS. 



CHAPTER XII. 



GENERAL OBSERVATION'S ON THE LAYING-OUT AND 

 IMPROVEMENT OF GROUNDS. 



Landscape-gardening — Analogies to Landscape-painting — Com- 

 parative Power over Materials — Simplicity and Multiplicity of 

 Points of View — Processes wholly and partly Tentative — Pro- 

 priety of Revision — Utility of Plans — Hazard of Preparatory 

 Operations, . . ... . ' . 287 



CHAPTER XIII. 



THE ARBORETUM. 



Definition — Recent Introduction — General Idea of Arrangement — 

 Sect. I. Scientific Treatment of the Arboretum — Introductory Re- 

 marks — Dr. Lindley's Classification of the Natural Orders — 

 Explanations — Synopsis of Orders and Genera — Application of 

 Principles — Transference of the System to the Ground. 

 Sect. II. Decorative Treatment of the Arboretum — Object in View — 

 Employment of Large]- Trees — Lawns — Surfaces planted — Ever- 

 greens — Arboretums attached to Private Residences — Sites in 

 Pleasure-grounds. . . . . . , 303 



CHAPTER XIV. 



THE PINETUM. 



Remarks on Special Collections of Trees — The Pinetum — Materials 

 and Arrangement — Enumeration of Species, with Observations on 

 the Groups — Effects of Climate — Soil — Early Cultivation of the 

 Plants— Planting of the Pinetum — Pruning of the Trees — Deco- 

 rative Treatment of the Pinetum , ..... 333 



