Letters 86.19

The second way of setting them out was the following: he set out in similar fashion branches that were strong and of soft bark, as those of young saplings are wont to be. These grow a little more slowly, but, since they spring from what is practically a cutting, there is no roughness or ugliness in them.

Seneca, Letters to Lucilius 86.19, translated by Richard Mott Gummere