Meanings of genus Marsilea in English

According to Brongniart, Marsilea pubescens sleeps like the present species.

In the chapter on the Sleep of Plants the conspicuous circumnutation of Marsilea quadrifoliata (Marsileaceae, Fam.

Marsilea quadrifoliata (Marsileaceae).-Theshape of a leaf, expanded horizontally during the day, is shown at A (Fig.

Marsilea quadrifoliata: circumnutation and nyctitropic movement of leaflet traced on vertical glass, during nearly 24 h. Figure reduced to two-thirds of original scale.

Marsilea quadrifoliata: A, leaf during the day, seen from vertically above; B, leaf beginning to go to sleep, seen laterally; C, the same asleep.