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FORESTRY CLUBS FOR YOUNG PEOPLE 7 
B. ACTIVITIES 
[Suggestions for Study and Projects that May be Carried on by Forestry Clubs] 
I. TREE STUDY 
1. HOW THE TREE GROWS 
Learn the different parts of the tree. 
How are they used by man? 
What are the functions of each? 
How does a tree grow in height? How in diameter? 
What is the food of the tree? 
Where and how is it obtained? 
How does the sap move? 
How is the food of the tree assimilated? 
What is meant by transpiration and respiration? 
2. INFLUENCES AFFECTING TREE GROWTH 
What is the influence of light on trees? 
What is meant by tolerance and intolerance of trees; self-pruning? 
What is the difference between trees grown in the forest and those grown in 
the open? 
How does temperature affect trees in the forest? 
Does soil have any influence on tree growth? 
What part does moisture play in the life of a tree? 
Do all species require the same amount? 
3. TREE IDENTIFICATION 
Learn to identify all of the various tree species found in your locality. 
Do hardwoods or conifers predominate? 
What trees leaf first in the spring? 
In what order do others follow? 
What trees bear fruit in the spring? 
Which species have winged seeds; pods; nuts? 
What other forms does the fruit of forest trees take? 
Make a calendar of the leafing, flowering, and fruiting of forest trees. Collect 
cones, nuts, foliage, bark, and wood specimens of local trees. Make an exhibit 
of them for the school library, accompanied by appropriate posters. 
4. MATERIAL SUITABLE FOR STUDY AND REFERENCE 
Title | Author Publisher and place of publication 
A Primer of Forestry. (PartsI and II, | Gifford Pinchot________- Department of Agriculture. Price, 5 
Farmers’ Bulletins 173 and 358.) cents.! 
Trees in Winter; Their Study, Planting, A. F. Blakeslee and C. | The Macmillan Co., New York. 
Care, and Identification. | QD. Jarvis 
Important Forest Trees of the Eastern | Compiled by Forest | Department of Agriculture. Price , 
a) States. (Department Circu- Service. 5 cents.! 
ar 223. 
Southern Woodland Trees_.....__._---- ati Berry t= >= eek World Book Co., Yonkers, N. Y. 
Western Forest: Trees. 5-25 es ee GO rat ee Do. 
Northern Woodlot Trees__......_____--- Bees i ee Ee Do. 
Tree Habits; How to Know the Hard- | J. S. Ilick_-_--_________- American Nature Association, Wash- 
woods. ington, D. C. 
AAgnide tothe Trees— =. == =.--..- A. Lounsberry -.....=--.- F. A. Stokes Co., New York. 
Field Book of American Trees and | F. S. Mathews-_-_-------- G. P. Putnam’s Sons, New York and 
hrubs. : London. 
Trees; a Simple Guide for Quick Identi- O. L. Sponsler__-____-_- G. Wahr, Ann Arbor, Mich. 
fication of Forest Trees. (Pocket-size | 
volume.) 
ste: "Pree BOOK rr se fade Whe tree ee Tet F. A. Stokes Co., New York. 
The Forest: A Handbook for Teachers. | D. P. Edgerton.._.--.-- Department of Agriculture. Price, 
(Miscellaneous Circular 98.) 30 cents.! 
Handbook of Conifer, including Gink- | W. Dallimore and A. B. | Longmans, Green & Co., New York. 
goacez. : Jackson. 
State tree guides. (See section D.) 
_} Publication may only obtained by purchase from Superintendent of Documents, Government Print- 
ing Office, Washington, D. C., at the prices indicated. 
40031—29 2 
