Propagated by seeds.

Arisarum. Aroideæ.

Propagated in spring by seeds or divisions of the root.

Aristea. Irideæ.

Increased by seeds and divisions.

Aristolochia (Birthwort). Aristolochiaceæ.

Propagated by seeds and layers, which are not very satisfactory. Cuttings root freely in sand, under a bell-glass with bottom heat. The seeds must be fresh.

Aristotelia. Tiliaceæ.

Propagated by layers, or by ripened cuttings, which root freely if placed under a hand-glass.

Armeria (Thrift, Sea Pink). Plumbagineæ.