| quillaia bark | <botany> The bark of a rosaceous tree (Quillaja Saponaria), native of Chili. The bark is finely laminated, and very heavy with alkaline substances, and is used commonly by the Chilians instead of soap. Also called soap bark. Source: Websters Dictionary (01 Mar 1998) |
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| Jesuits' bark | A genus of rubiaceous south american trees that yields the toxic cinchona alkaloids from their bark; quinine, quinidine, chinconine, cinchonidine and others are used to treat malaria and cardiac arrhythmias. (12 Dec 1998) |
| lace-bark | <botany> A shrub in the West Indies (Lagetta Iintearia); so called from the lacelike layers of its inner bark. Source: Websters Dictionary (01 Mar 1998) |
| lichen lichens on bark | A mutualistic association of a fungus andphotosynthetic organism, either a unicellular alga or a cyanobacterium. Some lichens are used to make natural fabric dyes. (09 Oct 1997) |