Summary DescriptionAPI English: Figs. 46-50. Chlamydomonas Caudata Wille 46. Young cell, "dorsal view", showing typical position of nucleus, stigma, and pyrenoid. 47. Older cell with thickened wall. 48. Similar cell in "lateral view." 49. Typical arrangement of daughter cells. 50. Unusual arrangement of daughter cells. All, X 720, approximately. Date April, 1922 (1922-04-DD) Source Hazen, Tracy E. The phylogeny of the genus Brachiomonas. Bulletin of the Torrey Botanical Club. April, 1922, pp. 87-92. Author Hazen, Tracy E.