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or Lo-Sa

green, dye and china

LO-SA, or Lo-za, or Lok-zah, is the term applied to the branches of the Chinese green dye plant, when tied up in faggots for sale to the dyer. But there are two kinds of such faggots, one termed pa-hi-lo-sa, or white-skinned green vine branch, and the other hoin-hi-lo-sa, red skinned green vine branch. Father Helot states that the people of Canton, on whose mountains the plant grows, call it lieu-lo-chou, willow green tree. Fortune states that a farmer near llong-tcheon-fu, who had some plantations of the cultivated Rhamnus, named it lob-sah and soh-loh-shu. Mr. Sinclair gives hwuy-chiang-chi, or lee-chi, as the name of a bark used in Fob-kien for dyeing cotton green. The Hong-pi-lo-chou has all the characteristics of a wild shrub. The magnificent lustre is only obtained after immer sion in the infusion of the pe-pi-lo-chou. At Aye, Father Helot was assured that the lo-kao was prepared from the bark of the pe-pi, and the dyers of Khiu-tcheou-fu described a process for dyeing silks and cottons with the pe-pi only. It would seem that the pe-pi alone yields violet, blue, and green, according to circumstances, and a peculiar kind of the lo-kao or green dye on cloth of a watery green tending to azure, with lime or alum ; that the hong-pi yields a yellow to impart a green to the colour, and that the lo-kao is impure if the admixture of this yellow be in too great a proportion. The shrubs from

which the green dye is obtained are thorny. The Rhamni indigenous to China areó R. crenatus, Sieb. and Zuccarini, Japan.

It globosus, Bunge, North China.

linsatus, Lour., Berchemia Loureiriana, De Cand., China, Cochin-China.

Rhamnus tinctorius of China differs from R. chlorophorus only in the shape of the calyx.

M. De Caisne told M. Rondot that an English horticulturist had reared a scrophularaceous plant, which had been sent to him as the Lo-za.

Maly is the name of a tree growing wild in the province of Hit-cheou, the bark of which is used to dye common cloths.

Toxocarpus Wightianus, Hooker, is the Asclepias curossavica of Lour. It is called in Chinese Ma li-kiu.

The Chinese have two modes of dyeing green, first, with the flowers of the hoai-hoa and indigo ; second, by indigo alone.