Report of the exploring expedition to the Rocky Mountains in the year 1842 : and to Oregon and north California in the years 1843-44 (1845)
Frémont, John Charles, 1813-1890, Torrey, John, 1796-1873, Hall, James, 1811-1898, United States. Army. Corps of Engineers · Washington : Blair and Rives, Printers · leaf 342
ears to agree with a species from Mexicofigured by Ehrenberg. Fig. 19. Fragillaria . Fig. 20. Skirirella .—A fragment only. I have seen several fragments of V>€autifiil Surirellae, but have not yet fo«nd a perfect specimen to figure.;Fig. 21. Fragillaria rhabdosoma ?—Fragment.Figs. 22 and 23.… … J.W:Baile)rdel. Jnth .h^- E .Weber s, Co.Balr? ■■»J!~—■
