COMPETITION IN THE FOREST 



225 



bare trunks and the sparse vegetation on the dim forest floor. 

 Fig. 389 is the top of a great forest. With these pictures 

 compare Figs. 79 and 80. Fig. 384 shows a deep wheat 

 forest. A lone survivor of a primeval forest is shown in 

 Fig. 390. In dense plantations, plants tend to grow to a 

 single stem. When these same plants are grown in open 

 or cultivated grounds, they often become bushy or develop 



394. View just inside the tangle. 



more than one trunk. In what places have you seen trees 

 with more than one trunk? 



383. On the margins of dense populations, each indi- 

 vidual grows outwards for sunlight. Note the dense forest 

 rim: then plunge through it, and stand by the tall bare 

 trunks. Figs. 391, 392, show these two views of the same 

 forest. Note the kinds of trees and other plants that grow 

 in areas similar to those depicted in these illustrations. 

 Note the dense wall of foliage in Fig. 393, and the thin brushy 

 area just behind it in Fig. 394. Observe the denser and greener 

 foliage on the outside rows in thick orchards. Consider how 



