-
Solms-Laubach, Hermann Feb. 12, 1871
-
Sonne, Charles F. May 27, 1890 [to S. Watson]
-
Sonne, Charles F. Nov. 3, 1881 [to S. Watson]
-
Sonne, Charles F. Jan. 2, 1891 [to S. Watson]
-
Sophocles, E. A. Sept. 10, 1863
-
Sophocles, E. A. Jan. 13, 1878
-
Spencer, Herbert June 9, 1882
-
Spencer, Herbert Oct. 25, 1884
-
Spottiswoode, William Aug. 20, 1881
-
Sprague, Charles J. Mar. 5, 1857
-
Sprague, Charles J. Mar. 7, 1861
-
Sprague, Charles J. Jan. 29, 1865
-
Sprague, Charles J. Aug. 16, 1872
-
Sprague, Charles J. Dec. 27, 1873
-
Sprague, Charles J. May 9, 1878
-
Sprague, Charles J. Aug. 29, 1878
-
Sprague, Charles J. Sept. 1, 1878
-
Sprague, Charles J. Mar. 3, 1880
-
Sprague, Charles J. Nov. 7, 1882
-
Sprague, Charles J. Sept. 8, 1884
-
Sprague, Charles J. Mar. 24, 1886
-
Sprague, Charles J. Jan. 9, 1887
-
Sprague, Charles J. Oct. 17, 1888 [to S. Watson]
-
Sprague, Charles J. Jan. 14, 1889 [to S. Watson]
-
Sprague, Charles J. June 26, 1889 [to S. Watson]
-
Sprague, Charles J. Aug. 27, 1889 [to S. Watson]
-
Sprague, Charles J. Feb. 2, 1890 [to S. Watson]
-
Sprague, Charles J. Feb. 23, 1890 [to S. Watson]
-
Sprague, Charles J. Mar. 18, 1890 [to S. Watson]
-
Sprague, Charles J. Apr. 9, 1890 [to S. Watson]
-
Sprague, Charles J. July 18, 1890 [to S. Watson]
-
Sprague, Charles J. July 26, 1890 [to S. Watson]
-
Sprague, Isaac, Jr. Jan. 26, 1890 [to J. Gray]
-
Spruce, Richard Nov. 11 [no year] [to D. Oliver]
-
Spruce, Richard May 25, 1847 [to Wiley & Putnam]
-
Spruce, Richard May 25, 1847
-
Spruce, Richard Oct. 20, 1869
-
Spurr, Charles W. Mar. 19, 1888 [to S. Watson]
-
Spurr, Charles W. undated memo
-
Spurr, Charles W. Mar. 23, 1888 [to S. Watson]
-
Spurr, Charles W. Mar. 29, 1888 [to S. Watson]
-
Stapf, Otto Apr. 18, 1886
-
Stapf, Otto undated plant descriptions
-
Stapf, Otto May 3, 1888 [to S. Watson]
-
Watson, Sereno May 25, 1888 [to O. Stapf]
-
Stauffer, Jacob Mar. 12, 1852
-
Stauffer, Jacob undated illustration
-
Stauffer, Jacob July 22, 1853
-
Stauffer, Jacob Nov. 19, 1853
-
Stauffer, Jacob Dec. 15, 1854
-
Stauffer, Jacob Oct. 4, 1855
-
Stauffer, Jacob Oct. 21, 1856
-
Stauffer, Jacob Nov. 5, 1856
-
Stauffer, Jacob Dec. 26, 1857
-
Stauffer, Jacob Dec. 12, 1862
-
Stauffer, Jacob June 9, 1864
-
Steenstrup, J. Japetus Sept. 25, 1857
-
Steenstrup, J. Japetus Feb. 22, 1861
-
Steenstrup, J. Japetus Dec. 20, 1879
-
Steenstrup, J. Japetus Jan. 24, 1880 [postcard]
-
Steetz, Joachim July 24, 1850
-
Steetz, Joachim Apr. 12, 1853
-
Steetz, Joachim Sept. 6, 1853
-
Steetz, Joachim July 8, 1854
-
Steetz, Joachim Feb. 8, 1855
-
Steetz, Joachim Aug. 30, 1855
-
Steetz, Joachim May 29, 1856
-
Steetz, Joachim July 16, 1856
-
Steetz, Joachim Apr. 20, 1857
-
Steetz, Joachim Nov. 30, 1857
-
Steetz, Joachim Nov. 11, 1858
-
Steetz, Joachim Mar. 31, 1859
-
Steetz, Joachim Mar. 31, 1859 [enclosed descriptions]
-
Steetz, Joachim Oct. 19, 1861
-
Stejneger, Leonhard H. May 19, 1884
-
Stejneger, Leonhard H. Oct. 31, 1884
-
Stevens, Samuel Mar. 20, 1853
-
Stevenson, James D. Jan. 4, 1876
-
Stewart, Harriet undated [Tues.]
-
Stewart, Harriet undated [Tues. night]
-
Stewart, James T. Mar. 29, 1867
-
Stiles, William A. Dec. 2, 1890 [to S. Watson]
-
Stone, Charles F. Dec. 14, 1850
-
Stone, Charles F. Feb. 24, 1857
-
Stone, George E. Dec. 6, 1890 [to B. L. Robinson]
-
Storer, Francis H. June 25, 1878
-
Stuntz, Steve Mar. 11, 1891 [to S. Watson]
-
Sturtevant, Edmund D. Feb. 4, 1889 [to S. Watson]
-
Sturtevant, E. Lewis Jan. 25, 1887 [to S. Watson]
-
Sturtevant, E. Lewis Dec. 12, 1888 [to J. Gray]
-
Sturtevant, E. Lewis Oct. 1, 1890 [to S. Watson]
-
Sturtevant, E. Lewis Oct. 4, 1890 [to S. Watson]
-
Sturtevant, E. Lewis Oct. 6, 1890 [to S. Watson]
-
Sturtevant, E. Lewis Dec. 28, 1890 [to S. Watson]
-
Sturtevant, E. Lewis Dec. 31, 1890 [to S. Watson]
-
Sturtevant, E. Lewis Jan. 28, 1891 [to S. Watson]
-
Sturtevant, E. Lewis Jan. 1891 [to S. Watson]
-
Sturtevant, E. Lewis Aug. 22, 1891 [to S. Watson]
-
Sturtevant, E. Lewis July 7, 1891 [to S. Watson]
-
Suksdorf, Wilhelm N. Feb. 18, 1881 [to S. Watson]
-
Suksdorf, Wilhelm N. July 29, 1881 [to S. Watson]
-
Suksdorf, Wilhelm N. Aug. 20, 1881 [to S. Watson]
-
Suksdorf, Wilhelm N. Sept. 14, 1881 [to S. Watson]
-
Suksdorf, Wilhelm N. Oct. 20, 1881 [to S. Watson]
-
Suksdorf, Wilhelm N. Oct. 20, 1881 [to S. Watson] [enclosed list]
-
Suksdorf, Wilhelm N. Oct. 30, 1884
-
Suksdorf, Wilhelm N. Dec. 6, 1884 [to S. Watson]
-
Suksdorf, Wilhelm N. Nov. 10, 1885 [to S. Watson]
-
Suksdorf, Wilhelm N. Feb. 18, 1886
-
Suksdorf, Wilhelm N. June 8, 1886 [to S. Watson]
-
Suksdorf, Mrs. H. F. June 10, 1886
-
Suksdorf, Wilhelm N. July 1, 1886
-
Suksdorf, Wilhelm N. July 31, 1886
-
Suksdorf, Wilhelm N. Aug. 5, 1886 [to S. Watson]
-
Suksdorf, Wilhelm N. Mar. 2, 1889 [to G. L. Goodale]
-
Suksdorf, Wilhelm N. May 7, 1889 [to S. Watson]
-
Suksdorf, Wilhelm N. Oct. 16, 1889 [to S. Watson]
-
Suksdorf, Wilhelm N. Oct. 11, 1890 [to S. Watson]
-
Suksdorf, Wilhelm N. undated drawing
-
Suksdorf, Wilhelm N. undated plant description
-
Sullivant, Joseph May 15, 1873
-
Sullivant, Joseph Oct. 28, 1873
-
Sullivant, Joseph Nov. 24, 1873
-
Sullivant, Joseph Mar. 11, 1874
-
Sullivant, Joseph July 31, 1874
-
Sullivant, Joseph Aug. 31, 1874
-
Sullivant, Joseph Sept. 8, 1874
-
Sullivant, Joseph Dec. 21, 1874
-
Sullivant, Joseph Feb. 28, 1875
-
Sullivant, Joseph Apr. 27, 1878
-
Welch, Bigelow, & Co. May 12, 1875
-
Trübner & Co. Dec. 31, 1877
-
Sullivant, William S. Mar. 1873 [memorandum]
-
American Express Co. June 14, 1873 [receipt]
-
Sullivant, Joseph June 17, 1873 [memorandum]
-
W. S. Sullivant Estate Mar. 30, 1876 [account details]
-
Trübner & Co. May 31, 1879 [invoice]
-
Rodgers, A. D. Feb. 23, 1886 [to S. Watson]
-
Watson, Sereno Feb. 1888 [list]
-
Rodgers, A. D. May 6, 1891 [to S. Watson]
-
Rodgers, A. D. May 18, 1891 [to S. Watson]
-
Sumner, Charles Jan. 26, 1860
-
Swan, Charles W. Sept. 21, 1884 [to S. Watson]
-
Swan, Charles W. Dec. 17, 1885 [to S. Watson]
-
Swan, Charles W. Mar. 7, 1890 [to S. Watson]
-
Sweezey, Goodwin D. Jan. 21, 1889 [to S. Watson]
-
Sweezey, Goodwin D. Nov. 15, 1891 [to S. Watson]