12S

SECT. XT.—PLANTS USEFUL IN DYEING.

582. NYMPH7EA alba. White Water-Liey. — The Highlandersmake a dye with it of a dark chesnut colour.— Light. Ft. Sc.

583. ORIGANUM vulgnre. Wits Marjoram. —The tops and flowerscontain a purple colour, but it is not to be tixed.

584. PHYTOLACCA decandra. Virginian Tokeweed.— The leavesand berries produce a beautiful rose-colour, but it is very fugacious.

535. PRUNUS domcstica. Pi.um. —The bark is used by the coun-try people to dye cloth yellow.

586. PYRUS Malus. Apple, —The bark of this plant, alio, produ-ces a yellow colour.

587. QUERCITS Rohur. Oak.— The juice of the oak mixed withvitriol forms a black ink ; the galls are employed for the same purpose.

583. RF.SF.DA Luteola. Dyers' Weed, or Weed.— The most usualplant from which the yellow dye is extracted. For its culture, seep. 32.

589. RHAMNUS Fraiigula. Buckthorn.— The bcirk produces aslight yellow, and the unripe berries impart to wool a green colour.

590. RHAJINUS cathartkus. Purging Buckthorn. —The barkyields a most beautiful y r ellow colour; and the ripe berries in the au-tumn produce a brilliant scarlet.

591. RHUS Catinus. Venus's Sumach.' —The bark of the stalks pro-duces a yellow colour j the bark of the roots produces a red.

592. RHUS coriaria. Elm-i.eaved Sumach. —This plant is possess-ed of the same qualities as the one above.

595. RUBIA tinctorum. —The root produces a red colour. For itsculture, see p. 32.

594. RUMEX maritima. Dock.— The whole herb gives out a yel-low colour.

595. SALIX pentandra. Wielow. —The leaves produce a yellowcolour.

595. SCABIOSA succisa. Devii's Bit Scabious. —The dried leavesproduce a yellow colour.