Four germinating spores from the interior of a sporangium.
- Germinating pollengrain of Epilobium (highly mag.) bearing a pollen-tube s; e, exine; intine; abc, the three spots where the exine is thicker in anticipation of the formation of the pollen-tube developed in this case at a.
Germinating spores in various stages, more highly magnified, and showing the different ways of escape of the filament from the spore-membrane.
Single cyst germinating (X200).
Here, too, the reason of things - that which accounts for them - is no longer some external end to which they are tending; it is something acting within them, " a spirit deeply interfused," germinating and developing as from a seed in the heart of each separate thing that exists (X6yos cr repyartK6s).