Filaments without anthers in Curcuma, Linum, &c. and styles without stigmas in many plants, shew the advance of the works of nature towards greater perfection

Double flowers, or vegetable monsters, how produced

The calyx and lower series of petals not changed in double flowers

Dispersion of the dust in nettles and other plants

Cedar and Cypress unperishable

Anthoxanthum gives the fragrant scent to hay

Viviparous plants: the Aphis is viviparous in summer, and oviparous in autumn

Irritability of the stamen of the plants of the class Syngenesia, or
Confederate males

Some of the males in Lychnis, and other flowers arrive sooner at their maturity

Males approach the female in Gloriosa, Fritillaria, and Kalmia