Pepper-grass, Curled Cress (Lepidium sativum). Cruciferæ.

Grown from seeds, either under glass for early crops or in the open air.

Peppermint (Mentha piperita). Labiatæ.

Divisions of the creeping and rooting stems are planted to multiply the plant, and plantations are renewed every three or four years.

Pepper, Red or Cayenne (Capsicum). Solanaceæ.

Seeds, sown out-doors, or in the north oftener started in the house.

Pereskia (Barbadoes Gooseberry). Cacteæ.

Seeds. Cuttings, as described under Cactus. P. aculeata is much used as a stock for epiphyllums. P. Bleo is sometimes used for the same purpose, as it is fully as good as the other species. Cuttings of P. aculeata can be made a foot or more in length, and of sufficient size for immediate use, or, indeed, the graft may be inserted when the cutting is made.

Perilla, Dentidia. Labiatæ.