Four germinating spores from the interior of a sporangium.
I've more sown hopefully germinating in the tent cloche.
Such cankers often commence in mere insect punctures, frosted buds, cracks in the cortex, &c., into which a germinating spore sends its hypha.
Xylographa, e, f, Two soredia in the act of germinating; the Graphis, &c.) or hyphal envelope has grown out below into G none (e.g.
The mycelium from the germinating sporangia or zoospores soon finds its way into the tissues of the potato leaf by the organs of transpiration, and the process of growth already described is repeated -over and over again till the entire potato leaf, or indeed the whole plant, is reduced to putridity.
