Page:An introduction to physiological and systematical botany (1st edition).djvu/443

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4. Tetrandria. Stamens 4.—Orders 3.

1. Monogynia. A very numerous and various Order, of which the Proteaceæ make a conspicuous part, consisting of Protea, Banksia, Lambertia, Embothrium, &c. See Botany of New Holland, t. 7—10. Scabiosa, ''Engl. Bot. t. 659; Plantago, t. 1558, 1559, remarkable for its capsula circumscissa, a membranous capsule, separating by a complete circular fissure into two parts, as in the next genus, Centunculus, t. 531; Rubia, t. 851, and others of its natural order, of whose stipulation we have spoken p. 219, are found here, and the curious Epimedium, t.'' 438.

2. . Buffonia, t. 1313.

Cuscuta, placed here by Linnæus, is best removed to the next class.

3. . Ilex, t. 496, a genus sometimes furnished with a few barren flowers, and therefore removed by Hudson to the 23d class, of which it only serves to show the disadvantage; Potamogeton, t. 168, 376, and Ruppia, t. 136, are