128 



MINUTE STRUCTURE OF THE STEM. 



FIG. 104. Diagrammatic projection, showing the disposition of the flbro-vascular bun- 

 dles in a leafy shoot of Vitis vinifera. Each leaf has five fascicles, which are unsymme- 

 trically arrangeil : n. l>, c, d, e : h, i, /.-. /, m ; o. ;>, q, r, x ; u, r, w, x, y : a, ft, y, , e ; >|. <, 

 0, i, K. Each tendril lias three fibro-vascular bundles passing in from the stem, g, I, '- ; 

 the axillary buds have also three,/and n. (Nageli.) 



