

fitfl. 



* _ r .f Af- v 



' r N/f-r 



. I 



--^r 



;.A 



- 



FIG. 236. 



Fig. i. Adult plant towards end of autumn ; // = leaf of succeeding summer; s/t = \l< 

 sheath ; /g^second leaf; / s = thircl leaf; <f=debris of dead leaves ; r=parent root. 



Fig. 2. Longitudinal section of a very young bud. /., //., ///., leaves; c = cortex 

 s/t = sheath ; .r-xylem ; ph phloem. 



Fig. 3. Longitudinal section of an older bud, where the first leaf (/) is expanded 

 s/t, s/ii, sh n sheaths of successive leaves. 



Fig. 4. Central cylinder of a very young bud prepared by maceration ; r parent root 

 /,-/4 = traces of successive leaves ; ryr = successive roots. 



Fig. 5. Central cylinder of an adult stem ; /!-/ 15 = the traces of successive leaves. 



Fig. 6. Enlarged apex of a root ; the first phase of appearance of a bud. 



Fig. 7. Bud slightly developed, where the first leaf has just pierced the sheath. 



Fig. 8. A false "branching. 





