^16 STATE HORTICULTURAL SOCIETY. 



Second List of Questions and Answers. 



1. What are the functions of the root of a tree ? 



To brace the tree and give it secure support in the soil ; also to 

 "take up the sap from the soil. This sap is taken in through tiny root 

 hairs along the growing parts of the roots. It is carried upward through 

 the roots, stem and branches to the leaves. 



2. What are the functions of the leaves ? 



To digest or assimilate the crude sap brought up from the ground. 

 No sap can be used in building up plant tissue until it has been di- 

 gested in the leaves. The leaves also act as a shade to the tender 

 twigs in summer. 



3. What are the functions of the bark ? 



The bark is a covering or protection for the tender growing layer 

 beneath. It prevents the too rapid evaporation of the sap from the 

 tree. 



4. Give garden selection that will give variety and plenty through- 

 out the season in Missouri for a family of six persons. 



Rhubarb, spinach, asparagus, lettuce, onions, radishes, peas, pota- 

 toes, cabbage, corn, beans, beets, squashes, carrots, tomatoes, cucum- 

 bers, turnips, melons, salsify, parsnips, pumpkins, celery, cauliflower, 

 horseradish. 



5. How much land is required for a kitchen garden for a family 

 of six persons? 



One-quarter to one-half acre. 



6. Give plan of such garden ? 



Plant in long rows to admit of horse culture. Some of the early 

 varieties are out of the way in time lo admit of some of the later kinds 

 taking their places. 



7. What is the difference in meaning between the words "horti- 

 culture" and "agriculture ?" 



From the Latin hortus a garden, and culturo to cultivate, and ager 

 a field and culturo. 



8. Give the chemical analysis of an apple ? 



Analysis of the pulp of apples average of two analysis of 

 American apples : 



Water 



Isiti'ogenous material (protein) . 



Fatty material 



Sugar, starch, cellulose 



Mineral matter (ash) 



Total. 



90.8 per cent 

 1.0 per cent 

 0.7 per cent 

 6 9 per cent 

 0.6 per cent 



100. percent 



