One of these hairs can be seen to be penetrated at a particular spot, and the entering body is then found to grow along the length of the hair till it reaches the cortex of the root.
Alex had seen to all of that before she called a halt to the work.
From the very beginning there had been an intensity, a seriousness to the falling flakes that spoke of accumulations far in excess of anything the Deans had seen to date.
Her father had seen to this.
In France mushroom-growers do not use the compact blocks or bricks of spawn so familiar in England, but much smaller flakes or "leaves" of dry dung in which the spawn or mycelium can be seen to exist.