The accumulation in the long run becomes overwhelming. Evil tends to separation, dissolution, death. The comradeship of trees, their instinct to run together, is a vital symbol. Look at a monkey-puzzler, or better still, a holly. Look at it, watch it, understand it.
Cedars grow in forests all together.
The poor thing has drifted, that is all. They were getting rather deep. Sanderson, talking against time, spoke so fast. It was too condensed. Bittacy hardly followed that last bit.