68 



BOTANY FOR BEGINNERS 



CHAP. 



(ii) The ground tissue which separates the vascular bundles, and in 

 which they are embedded. 



(iii) The vascular bundles which are scattered ; they are not arranged 

 in the form of a ring as in the Sunflower. The bundles are smallest 



and most numerous near the primary 

 cortex, and largest and few in number 

 near the centre of the stem. 



All plants with scattered vascular 



FIG. oo. A piece of the stem 01 

 the Lime, showing annual 

 rings. 



FIG. oi. Longitudinal section of stem of 

 Horse-Chestnut. A, base of leaf; 

 B, cork layer. ( X 3.) 



bundles belong to the Monocotyledons, and those with the bundles 

 arranged in a ring to the Dicotyledons. 



FIG. 92. Longitudinal section of stem of Sycamore, showing leaf fall and buds in 

 the axils of leaves, (x 4.) 



EXPT. 62. Select an old root of the Maize from which a number of 

 rootlets are growing. Cut transverse sections so as to pass through one 

 of the young rootlets. Select one of the thinnest and mount in water or 

 glycerine. Examine with a hand-lens. Note 



(i) The young rootlet which is found on one side of the section. 

 (Fig. 93, R.) 



