378 
NATURAL HISTORY. 
Explanation of the Botanical Plates. 
Fig. I. Illustrates the class Monandria, and order Monogynia, 
one Stamen and one Pistil as in the Canna Indica, Indian Flower 
ing Reed. 
II. Monandria Monogynia, two Stamens and one Pistil, as in 
Veronica, or Speedwell. 
III. Triandria, Digynia, three Stamens and two Stigmata, as in 
the Grasses, &c. 
IV. Tetrandria, Monogynia, four Stamens and one Pistil, as in 
many examples. 
V. Pentandria Monogynia, five Stamens and one Style or Pistil, 
as in the Henbane, &c. 
VI. Hexandria Monogynia, six Stamens and one Style, as in 
Tradescantia Virginia, Spider- worst, &c. 
VII. Heptandria Monogynia, seven Stamens and one Style. 
VIII. Octandria Monogynia, eight Stamens and one Style, as in 
Erica, Heath, &c. 
IX. Enneandria Monogynia, nine Stamens, &c. 
X. Decandria Monogynia, ten Stamens and five Styles, as in 
Sedum, &c. 
XI. Dodecandria Monogynia, twelve Stamens and one Pistil. 
XII. Icosandria Polygynia, twenty Stamens arising from the 
substance of the Calyx or Corolla, with many Stigmata, as in 
G-eum, Water Avens, &c. 
XIII. Polyandria Monogynia, many Stamens with one Pistil or 
Style, as in Cistus, Poppy, &c. 
XIV. Didynamia, two Stamens longer than the other two, as in 
Lanuum, Archangel, &c. 
XV. Tetradynamia, six Stamens, four longer than the 
other two. 
XVI. Monodelphia Pentagynia, many Stamens united at the 
base, and forming a cylinder with five Stigmata, as in Hibiscus, 
Syriacus, in the Mallow, &c. 
XVII. Diadelphia, the Stamens m two parcels, as in 
the Pea, &c. 
XVIII. Polydelphia, many sets of Stamens in one 
Flower. 
XIX. Sygenesia, — ■ — — Anthers united, as in Aster, Violet, &c. 
XX. Gynandria, Stamens connected to the Style, as in 
Sisyrinchium, &c. 
XXI. Monoecia, male and female flowers separate, 
but on the same plant. 
XXII. Dioecia Plants of this class are either male or 
female, each distinct, and bearing from a separate root. 
XXIII. Polygamia. Plants of this class bear herma- 
phrodite, together with distinct male and female flowers, or both. 
XXIV. Cryptogamia. Plants of this kind have a con- 
cealed fructification, as in the Foelices, Ferns, &c. 
