114 Principles of Plant Culture. 



building up the plant body into node and internode, leaf, 

 bud, branch, flower, fruit and seed; through growth de- 

 cline, leaf fall and winter sleep, to the renewed vigor of 

 another springtime. 



In our study of the round of plant life, we have 

 assumed the environment to be favorable. But in the 

 practical culture of plants, we are constantly meeting 

 with adverse conditions of environment. Talent for 

 plant culture lies in the ability to discern these adverse 

 conditions by the appearance of the plant, and in know- 

 ing how to correct them. We will, therefore, next con- 

 sider the plant as affected by unfavorable conditions of 

 environment. 



The following books are recommended for reading in 

 connection with the preceding chapter: How plants 

 Grow, Gray; Lessons in Botany, Gray; Botanical Text- 

 Book, Gray; A Treatise on the Physiology of Plants, 

 Sorauer; The Soil, King; The Fertility of the Land, 

 Roberts. 



