The groups of figures in the mid-ground, to the left and right of the altar, are known as the male and female martyrs. Identifiable biblical figures carry palms. They enter the pictorial space as though through a path in the foliage, males standing to the left, women to the right. The female martyrs, sometimes known as the holy virgins, are gathered by an abundant meadow, a symbol of fertility. A number are identified by their attributes: in front St. Agnes carries a lamb, St. Barbara a tower, Saint Catherine of Alexandria is finely dressed, and St. Dorothy carries flowers; further back St. Ursula carries an arrow. The women wear flowered crowns. The men on the left include confessors, popes, cardinals, abbots and monks who are dressed in blue.