The mycelium, in the right conditions, produces a mushroom it bursts through with such ferocity that it can break asphalt.

I never learned which party was victorious, nor the cause of the war but I felt for the rest of that day as if I had had my feelings excited and harrowed by witnessing the struggle, the ferocity and carnage, of a human battle before my door.

Holding a microscope to the first mentioned red ant, I saw that, though he was assiduously gnawing at the near fore leg of his enemy, having severed his remaining feeler, his own breast was all torn away, exposing what vitals he had there to the jaws of the black warrior, whose breastplate was apparently too thick for him to pierce and the dark carbuncles of the sufferer's eyes shone with ferocity such as war only could excite.