Blackpatch
a disease of red and white clover, caused by an unidentified fungus and characterized by brown or blackish lesions on the plant.
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- Black-perch  a livebearing surfperch, Embiotoca jacksoni, occurring in abundance along the coast of California, having brownish-black scales often tinged with blue or yellow and a thick, reddish mouth. Historical Examples The Cave by the Beech Fork Henry S. Spalding 
- Black-pewter  pewter composed of 60 percent tin and 40 percent lead. 
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