The Notebooks of Leonardo Da Vinci Complete


google search for The Notebooks of Leonardo Da Vinci Complete

Return to Master Book Index.

Page
287 288 289 290 291

Quick Jump
1 306 613 919 1225

The lower shoots on the branches of trees grow more than the upper  
ones and this occurs only because the sap that nourishes them, being  
heavy, tends downwards more than upwards; and again, because those  
[branches] which grow downwards turn away from the shade which  
exists towards the centre of the plant. The older the branches are,  
the greater is the difference between their upper and their lower  
shoots and in those dating from the same year or epoch.  
[Footnote: The sketch accompanying this in the MS. is so effaced  
that an exact reproduction was impossible.]  
3
98.  
OF THE SCARS ON TREES.  
The scars on trees grow to a greater thickness than is required by  
the sap of the limb which nourishes them.  
3
99.  
The plant which gives out the smallest ramifications will preserve  
the straightest line in the course of its growth.  
[
Footnote: This passage is illustrated by two partly effaced  
sketches. One of these closely resembles the lower one given under  
No. 408, the other also represents short closely set boughs on an  
289  


Page
287 288 289 290 291

Quick Jump
1 306 613 919 1225