The female strobili and mature cones of Chamaecyparis formosensis Mats, and Ch. obtusa Sieb. et Zucc. var. formosatut Kehd. were collected and dissected to observe the number and arrangement of their scales, ovules, and seed& The flower branches with female strobili were collected and cultured in water in the laboratory to observe the development of the ovules and the secretion of the pollination fluid. The morphology of the female organs in this genus is redescribed and the development of the ovules and seeds are discussed.