cryptogamia

A series of plants in which the sexual organs are not visible to the eye are called cryptogamia, which means, literally, hidden marriages.

Plain facts for old and young : embracing the natural history and hygiene of organic life. 1877

Investigations carried out on more than 200 different plants, both phanerogamia and cryptogamia, showed that the chlorophyll was the same in all the kinds so far examined.

Nobel Prize in Chemistry 1915 - Presentation 1966

It is true one may argue that the zoospores of certain cryptogamia exhibit similar movements; but do not these zoospores possess as much of an animal nature as do the spermatozoa?

The Harvard Classics Volume 38 Scientific Papers (Physiology, Medicine, Surgery, Geology) Various

This parasitical plant has a trailing stem, not unlike the common ivy, but not so woody, by which it attaches itself to the trunks of trees, and sucks the moisture which their bark derives from the lichens and other cryptogamia, but without drawing nourishment from the tree itself, like the misletoe and loranthus.

The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c. P. L. Simmonds

He published at Paris numerous botanical works, the first appearing in 1845; he first wrote on the phanerogamia, as for instance, on the leguminosæ of South America, then on the cryptogamia, and especially on the fungi.

The Catholic Encyclopedia, Volume 15: Tournely-Zwirner 1840-1916 1913

It is true one may argue that the zoospores of certain cryptogamia exhibit similar movements; but do not these zoospores possess as much of an animal nature as do the spermatozoa?

V. The Physiological Theory of Fermentation. Another Example of Life Without Air-Fermentation of Lactate of Lime 1909

Stream, and yew and arbutus, as well as tropical cryptogamia and Alpine plants, overgrow every available spot along the sides of the rough defile.

The Sunny Side of Ireland How to see it by the Great Southern and Western Railway Robert Lloyd Praeger 1909

"What do you know about botany?" said Edwin, sharply and rather irrelevantly as it seemed, till I remembered how he plumed himself upon knowledge of this science, and how he had persisted in taking Maud, and her governess also, long wintry walks across the country, "in order to study the cryptogamia."

John Halifax, Gentleman 1897

Poly-andria, and ever so many more of them, will be up the Camp Hill; and then there will be monogamia, and cryptogamia, and ever so many more games, here, there, and everywhere.

Hollowdell Grange Holiday Hours in a Country Home George Manville Fenn 1870

"What do you know about botany?" said Edwin, sharply and rather irrelevantly as it seemed, till I remembered how he plumed himself upon his knowledge of this science, and how he had persisted in taking Maud, and her governess also, long wintry walks across the country, "in order to study the cryptogamia."

John Halifax, Gentleman Dinah Maria Mulock Craik 1856