PABT II THE PLANT IN ITS 

 ENVIRONMENT 



CHAPTER XXVI 

 WHERE PLANTS GROW 



32G. environment. Tin- circumstances and surround- 

 ings in which an organism lives constitute its environ- 

 ment. The environment comprises effects of soil, mois- 

 ture, temperature, nit Utah, sun lit/ lit. competition with 

 animals <in<l other plants, and the like. An organism is 

 greatly influenced by the environment or conditions in 

 which it lives. Nol only musl ;i planl live and grow and 

 multiply its kind. bul it musl adapt itself to its environ- 

 ment. 



'!l!7. The particular place in which a planl grows is 

 known a> its habitat (i. .. its "habitation"). The habi* 

 tat of ;i given planl maj be ;i swamp, hill. ruck, sand 

 plain, forest, shore. The planl inhabitants of anj region 

 are known collectivelj as it- flora. Thus we speak of the 

 flora of a meadow <>r n hill or a swamp, or of ;i country. 



The word is also used torn 1 k describing the plants of 



;i region ( as in I 'art EV). 



328. PLANTS GROW WHERE THEY MUST. The planl is 



nol able to choose it- environment. It has no volition. 

 Its seeds are scattered : onlj a few <t' them fall in pleas- 

 anl places. The seeds make an efforl to gro^ even 

 though the places are nol favorable; and bo it happens 



