Image Missing: Hearst Museum object titled Mortar, accession number 1-14355a,b, described as Made of a hollowed boulder with basket hopper (a), and rude boulder pestle (b). A) Basketry mortar; coiled. Warp is Rush (Juncus), weft is Sumac (Rhus). Black pattern is Rhus dyed in Elderberry (Sambucus mexicana).