GIRDS AND FOREST VEGETATION 35 



B. Outline of Field and Laboratory Study To Be Based 

 Upon Observed Facts and Inferences 



Throughout the report be careful to distinguish between 

 actual facts that you observe and conclusions that you draw 

 from these facts. Wherever possible give a definite statement of 

 just what was observed, then a statement of the conclusions 

 that are drawn from these observations. 



THE KINDS OF SEEDS SCATTERED 



In this study it is well to distinguish between the woody 

 plants, as trees and shrubs, and those which do not have a woody 

 stem, the herbs. 



1. Plow can yoji distinguish the planted vegetation from 

 that derived from other sources? Trees, shrubs, tree seedlings, 

 and herbs? 



2. List the trees which produce fruits eaten by birds. 



At demonstration table in laboratory examine fruits pre- 

 served in formalin to determine if they possess the characters 

 essential for distribution by birds. 



3. List the shrubs which produce similar fruits and ex- 

 amine fruits at demonstration table. 



4. List the herbs in the same manner. 



At least 15 plants, including trees, shrubs, and herbs, must 

 be included in the above three lists. Aid will be given in the 

 identification of these plants. 



EVIDENCE OF THE SCATTERING OF SEEDS 



1. Do you find wild cherry seedlings elsewhere than under 

 cherry trees? Describe fully your observations, places where 

 found, under what kinds of trees, size of seedlings, etc. 



9. Under what kinds of trees do you find cherry stones? 

 List them. Can dispersal by wind explain the location of these 

 seeds? Direction of prevailing winds? 



