cryptogamous's Usage Examples:

The number of different species is estimated at 12,000, of which one-third are phanerogamous,or flowering plants, and two-thirds cryptogamous, or flowerless.

"The whole subject of fertilization and development of the embryo has been more recently investigated with great assiduity and zeal, as regards both cryptogamous and phanerogamous plants, and details must be sought in the various special articles.

HORSETAIL (Equisetum), the sole genus of the botanical natural order Equisetaceae, consisting of a group of vascular cryptogamous plants (see Pteridophyta) remarkable for the vegetative structure which resembles in general appearance the genera of flowering plants Casuarina and Ephedra.

The whole subject of fertilization and development of the embryo has been more recently investigated with great assiduity and zeal, as regards both cryptogamous and phanerogamous plants, and details must be sought in the various special articles.