ioo Science of Plant Life 



most part concerned with plants that accumulate foods in a 

 highly concentrated form. 



The growing of trees to create forests for the production of 

 timber, fuel, and pulp wood is the field of silviculture. The 

 silviculturist specializes on those trees that accumulate cel- 

 lulose in the most usable form. 



Horticulture embraces a wider range of plants, but in actual 

 practice a horticulturist usually specializes on plants having 

 somewhat similar habits. The growing of food-producing 

 shrubs and trees represents one division of horticulture. 

 The object sought is the production of fruits containing 

 pleasantly flavored substances stored in cells with the thin- 

 nest possible cell walls. The vegetable grower specializes 

 on annuals and biennial herbs that accumulate both food 

 and flavors, and to a less extent on perennials, like asparagus 

 and rhubarb. Floriculture deals with all classes of plants 

 and has for its object the production of attractive flowers 

 and foliage. It reaches its highest development in landscape 

 architecture, in which masses of vegetation are arranged to 

 beautify a landscape. 



