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This is found in many phanerogams and cryptogams.

Selaginella, sē-laj-i-nel′a, n. a genus of heterosporous cryptogams, allied to club-moss.

The saline incrustations, fungi and stalagmites, rapidly changed in appearance, an endless variety of stony figures and vegetable cryptogams recurring successively before my eyes.

The lower forms of the cryptogams, the lichens and the fungi, abound in greatest profusion as might be expected.

These discoveries tend to show the probable existence in the Siluro-Cambrian of plants representing two of the three leading families of the higher cryptogams or flowerless plants, namely, the Club-mosses and the Mare’s-tails.