These objects were often shown along with flowers by Georgia O'Keeffe.
A white hollyhock flower is suspended next to one of these objects in midair in a 1935 canvas. One of these objects resembles Jesus' crucifix in a painting subtitled for the colors red, white, and blue. These objects, which are commonly shown in vanitas still-lifes, are stacked in a pyramid in a painting by Paul Cezanne. One sits below an (*) astrolabe, at the feet of the Dintevilles, but extremely distorted and oriented diagonally, in Holbein the Younger's painting of The Ambassadors. These objects were often shown along with flowers by Georgia O'Keeffe. For 10 points, name these objects often used to symbolize the Day of the Dead.
A white hollyhock flower is suspended next to one of these objects in midair in a 1935 canvas.
skulls [or heads; or ram’s heads; or cow’s heads; or other specific skulls from various animals; prompt on bones; prompt on skeletons]