561. COMARUM palustre. MARSH-CINQUEFOIL.--The dried root forms a red
pigment. It is also used to dye woollens of a red colour.
562. CUSCUTA europaea. DODDER.--The herb gives out a lightish red.
563. CRATAEGUS Oxycantha. HAWTHORN.--The bark of this plant, with
copperas, is used by the Highlanders to dye black.
564. DATISCA cannabina. BASTARD-HEMP.--This produces a yellow; but is
not easily fixed, therefore it presently fades to a light tinge.
565. DELPHINIUM Consolida. BRANCHING LARKSPUR.--The petals bruised yield
a fine blue pigment, and with alum make a permanent blue ink.
566. FRAXINUS excelsior. MANNA.--The bark immersed in water gives a blue
colour.
567. GALIUM boreale. CROSS-LEAVED BEDSTRAW.--The roots yield a beautiful
red, if treated as madder.
568. GALIUM verum. YELLOW BEDSTRAW.--The flowers treated with alum
produce a fine yellow on woollen. The roots, a good red.
569. GENISTA tinctoria.--The flowers are in use among the country-people
for dyeing cloth yellow.
570. GERANIUM sylvaticum. MOUNTAIN CRANESBILL.--The Icelanders use the
flowers of this plant to dye a violet colour.
571. HIERACIUM umbellatum. HAWKWEED.--The whole herb bruised and boiled
in water gives out a yellow dye.
572. HUMULUS Lupulus. HOP.--The strobiles are used for dyeing; but
although they yield a yellow colour, the principal use is as a mordant.
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