gher set of males; but when the keal-leaf opens, the pistil
suddenly twists round like a French-horn, and places the stigma amidst
the lower set of males

The two lower males in Ballota become mature before the two higher; and,
when their dust is shed, turn outwards from the female

The plants of the class Two Powers with naked seeds are all aromatic

Of these Marum and Nepeta are delightful to cats

The filaments in Meadia, Borago, Cyclamen, Solanum, &c. shewn _by
reasoning_ to be the most unchangeable parts of those flowers

Rudiments of two hinder wings are seen in the class Diptera, or
two-winged insects

Teats of male animals

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

Contrivances to destroy insects in Silene, Dionaea muscipula, Arum
muscivorum, Dypsacus, &c.

Some bell-flowers close at night; others hang the mouths downwards;
others nod and turn from the wind; stamens bound down to the pistil in
Amaryllis formofissima; pistil is crooked in Hemerocallis flava, yellow
day-lily Thorns and prickles designed for the defence of the plant; tall
Hollies have no prickles above the reach of cattle

Bird-lime from the bark of Hollies like elastic gum

Adansonia the largest tree known, its dimensions

Bulbous roots contain the embryon flower, seen by dissecting a tulip-root

Flowers of Colchicum and Hamamelis appear in autumn, and ripen their seed
in the spring following

Sunflower turns to the sun by nutation, not by gyration

Dispersion of seeds

Drosera catches flies

Of the nectary, its structure to preserve the honey from insects

Curious proboscis of the Sphinx Convolvoli

Final cause of the resemblance of some flowers to insects, as the
Bee-orchis

In some plants of the class Tetradynamia, or Four Powers, the two