PLANTS, FUNGI AND INSECTS 



Main Root and Laterals, 

 rt, primary root ; lot, lateral roots ; rh, root-hairs ; re, root-cap ; fc, inner tissues. 



Apex of Root. 



re, root-cap ; gp, growing-point ; pi, 

 eroma (developing into vascular 

 'Stem) ; pb, periblem (developing 

 to cortex) ; d, dermatogen (develop- 

 g into piliferous layer). 



FIG. i. THE ROOT. 1 



Section through Root with Lateral, 

 pf, pericycle ; /, lateral root. 



Reproduced, by permission, from Laurie's Elementary Botany, and Flowering Plants. 



