STKI < .< , 1 .1 . I'oi; M\|.h,|[| 



215 



subdued or transmitted Light, bu1 no green plants can grow 

 in darkness. The low plants in forests are shade-lovers. 

 Pig. 3G1. Note tlif plants which seem to be shade-lovers 

 and those which prefer full sunlight. Some plants adapt 

 themselves to both sun and shade. Mosl ferns are shade- 

 lovers. 



355. Tn the midsl of dense plant populations, each 

 individual grows upwards for sunlight. Thus are for- 



The forest rim. I king townrdi tho wo 



ests made: the competing trees become Long slender boles 



wiili a mantle of foliage ;it the top. The Bide branches die 



in!' lack of light and 1 1. and thej tall from decaj or are 



broken bj storm; the wounds are healed, and the bole 

 li mes symmetrical and trim. Pig. 3G2 >ln>us the inte- 

 rior of a primeval pine forest. Note the bare trunks and 

 the sparse vegetation on the dim foresl floor. Fig. 363 is 

 the top of a great forest. With these pictures compare 

 Pigs. 75 and 70. Pig. 357 Bhows a deep wheat forest. 

 A lone Burvivor of a primeval foresl is Bhown in Pig. 3G4. 



