t one hen can enter and sit upon the nest at once.
The object is to prevent hens laying eggs in the nests of setting hens, and also to prevent one hen from driving another off the nest.
A collection of dried plants.
Aristotle is considered the founder of the philosophy of botany, 347 B. C. The Historia Plantarum of Theophrastus was written about 320 B. C. Authors on botany were numerous at the close of the fifteenth century.
The Botanic Gardens of Padua, Leyden, and Leipsic were established respectively in 1545, 1577, 1580; the Jardin des Plantes, in Paris, in 1624; Oxford, 1632.
The system of Linnaeus was made known in 1750; and Jussieu's system, founded on Tournefort's, and called the natural system, in 1758.
The latter is now accepted by such authorities as Lindley and London.
The Linnaean was founded upon sexual differences, the classes being determined by the number of stamens, the orders by the number of pistils.
The natural system of Jussieu is foun