44 THE OAK. 



lines), turning to one side and becoming continuous in 

 the fifth internode with a strand coming off from an- 

 other leaf situated at another of the angles at a differ- 

 ent level. The strands which stand next to this me- 

 dian one one on each side (ms) at first also pass 



ft, ma" VMS 



Fio. 10. Diagram of the course of the bundles M, s, and s' of Fig. 10, as 

 they pass out of the stem into the base of the leaf-stalk, mm is the 

 median bundle, and ms, ms its two companions (M in Fig. 9, A) ; 1,1 

 are the lateral bundles s and s' of Fig. 9, A. The small brandies fst 

 go into the stipules. (After Frank.) 



vertically down together with it, but at about the 

 second or third internode below they break up into 

 smaller strands, which again join with strands coming 

 from other leaves situated at other nodes and angles. 



If we again compare the figures, it will be seen that 

 the three strands just traced come down in the angle of 

 the stem, only turning aside lower down the median 

 strand mm, indeed, running actually in the angle 

 through five internodes. 



