Wool, [11]; to bleach, [16]; to cleanse, [15], [16]; long staple wool, [12]; various kinds of, [11], [12], [13].
Wool Dyeing, general methods, [13-16].
Y.—Yarn, to soften, [16].
Yellow, [107-122]; from lichens, [51], [57], [140]; from sumach, [126].
Yellow Dye Plants, [39].
Yellow Weed, [134].
Yellow Wood, [107].
[ERRATA]
[page 59]. Rock Urcolaria shld. be Rock Urceolaria.
[page 61]. Flowering lusnea shld. be Flowering Usnea.