80 



DOMESTIC BOTANY. 



Class XIII. — POLYANDRIA. Flowers with nume- 

 rous stamens, not attached to the calyx, generally seated 

 heloiv the ovary. 



Order. — Monogynia. Ex. Celandine, water-lily, 



gum cistus. 

 Order. — Digynia. Ex. Pseony. 

 Order. — Trigynia. Ex. Larkspur, monkshood. 

 Order. — ^Pentagynia. Ex. Columbine. 

 Order. — Polygynia. Ex. Magnolia, anemone, vir- 

 gin's bower, ranunculus. 

 Class XIV. — DIDYNAMIA (dis, twice ; dunamis, 

 power). Flowers with four stamens, ttvo short and tivo 

 long ; the meaning being the superiority of two. 



Order. — Gymnosperma [gymnos, naked, s^er- 

 ma, seed). Seeds naked, not enclosed. Ex. 

 Thyme, hyssop, lavender, and nearly the whole 

 of the mint family. 

 Order. — Angiosperma (aggeion, a vessel, sperma, 

 seed). The seeds enclosed in a seed vessel. 

 Ex. Foxglove, monkey flower, verbena. 

 Class XV.— TETRADYNAMIA {tetra, four ; duna- 

 mis, power ; the superiority of four). Flowers with six 

 stamens, four long and two short. 



Orders. — Siliculosa and Siliquosa. The seed pods 

 diifering only as regards length. Ex. Wall- 

 flower, stock, lady's-smock, and the whole of 

 the Cabbage family. This is a perfect natural 

 class. 



Stamens united. 

 Class XVI. — MONADELPHIA (monos, one, adel- 

 phos, brother). Flowers with stamens united in one body. 

 Order. — Triandria. Ex. Tiger flower (Tigridia). 

 Order. — Pentandria. Ex. Passion flower. 



