-
Packard, Alpheus S. July 8, 1891 [to S. Watson]
-
Packard, Alpheus S. July 13, 1891 [to S. Watson]
-
Paget, Helen B. Nov. 14, 1885
-
Paget, Helen B. Dec. 13 [no year]
-
Paget, Helen B. June 7 [no year]
-
Paget, James Mar. 1, 1881
-
Paine, John A. July 15, 1870
-
Paine, John A. Jan. 20, 1871
-
Paine, John A. Aug. 22 [no year]
-
Paine, John A. Oct. 31 [no year]
-
Paine, John A. Nov. 2 [no year]
-
Paine, John A. Sept. 1 [no year]
-
Paine, John A. Sept. 6 [no year]
-
Paine, John A. Sept. 12 [no year]
-
Palfrey, John G. Sept. 15, 1857
-
Palfrey, John G. Nov. 16, 1857
-
Palgrave, Reginald F. D. July 31, 1881
-
Pammel, Louis H. Sept. 29, 1888 [to S. Watson]
-
Pammel, Louis H. Nov. 12, 1888 [to J. Gray] [postcard]
-
Pammel, Louis H. Aug. 10, 1889 [to S. Watson]
-
Pammel, Louis H. Oct. 4, 1890 [to S. Watson]
-
Pammel, Louis H. Dec. 13, 1890 [to S. Watson]
-
Parey, Paul May 5, 1886 [to S. Watson] [postcard]
-
Watson, Sereno July 7, 1886 [to P. Parey] [draft]
-
Parey, Paul July 23, 1886 [to S. Watson] [postcard]
-
Parish, Samuel B. June 21, 1880
-
Parish, Samuel B. June 21, 1880 [2nd item]
-
Parish Bros. Oct. 13, 1880
-
Parish Bros. Oct. 14, 1880 [to S. Watson]
-
Parish Bros. Feb. 10, 1881
-
Parish Bros. Mar. 30, 1881
-
Parish Bros. Apr. 9, 1881 [to S. Watson]
-
Parish Bros. June 20, 1881
-
Parish Bros. Sept. 1, 1881
-
Parish Bros. Nov. 2, 1881 [to S. Watson]
-
Parish Bros. Feb. 29, 1882 [to S. Watson]
-
Parish Bros. Aug. 17, 1882
-
Parish Bros. Oct. 20, 1882
-
Parish Bros. Nov. 4, 1882
-
Parish, Samuel B. Apr. 5, 1883 [to S. Watson]
-
Parish, Samuel B. Feb. 23, 1884
-
Parish, Samuel B. July 14, 1884
-
Parish, Samuel B. Sept. 12, 1884
-
Parish, Samuel B. Oct. 11, 1884
-
Parish, Samuel B. May 7, 1885
-
Parish, Samuel B. May 31, 1885
-
Parish, Samuel B. June 16, 1885
-
Parish, Samuel B. Sept. 25, 1885
-
Parish, Samuel B. Oct. 15, 1885 [to S. Watson]
-
Parish, Samuel B. Nov. 17, 1888 [to J. Gray]
-
Parish, Samuel B. Dec. 3, 1890 [to S. Watson]
-
Parish, Samuel B. Nov. 16, 1893 [to B. L. Robinson]
-
Park, Edwards A. Oct. 27, 1879
-
Rusby, Henry H. Jan. 9, 1887 [to S. Watson]
-
Rusby, Henry H. Jan. 12, 1887 [to S. Watson]
-
Parke, Davis & Co. July 22, 1887 [to S. Watson]
-
Rusby, Henry H. Apr. 16, 1888 [to S. Watson]
-
Parker, William A. May 26 [no year]
-
Parlatore, Philippe Apr. 6, 1858
-
Parlatore, Philippe Sept. 8, 1862
-
Parlatore, Philippe Oct. 5, 1865
-
Parlatore, Philippe Sept. 27, 1866
-
Parseval-Grandmaison, Jules de undated
-
Parseval-Grandmaison, Jules de undated [2nd item]
-
Parseval-Grandmaison, Jules de Dec. 28, 1863
-
Parseval-Grandmaison, Jules de Dec. 29, 1863
-
Parseval-Grandmaison, Jules de May 9, 1864
-
Parseval-Grandmaison, Jules de July 20, 1864
-
Parseval-Grandmaison, Jules de May 30, 1865
-
Parseval-Grandmaison, Jules de Feb. 7, 1866
-
Parseval-Grandmaison, Jules de Mar. 10, 1866
-
Parseval-Grandmaison, Jules de Dec. 5, 1867
-
Parseval-Grandmaison, Jules de Aug. 13, 1869
-
Parseval-Grandmaison, Jules de Aug. 15, 1869
-
Parseval-Grandmaison, Jules de Mar. 14, 1870
-
Parseval-Grandmaison, Jules de Dec. 17, 1871
-
Parsons, Theophilus Jan. 8, 1858
-
Patterson, Harry N. Dec. 23, 1881 [to S. Watson] [postcard]
-
Patterson, Harry N. July 24, 1884
-
Patterson, Harry N. Jan. 19, 1885 [to S. Watson]
-
Patterson, Harry N. July 1, 1885
-
Patterson, Harry N. Oct. 22, 1885
-
Patterson, Harry N. Apr. 9, 1886 [to S. Watson]
-
Patterson, Harry N. Aug. 10, 1886
-
Patterson, Harry N. Sept. 18, 1886
-
Patterson, Harry N. Sept. 27, 1886
-
Patterson, Harry N. Apr. 3, 1889 [to S. Watson]
-
Patterson, Harry N. Apr. 8, 1889 [to S. Watson]
-
Patterson, Harry N. June 3, 1890 [to S. Watson]
-
Patterson, Harry N. June 9, 1890 [to S. Watson]
-
Patterson, Harry N. June 29, 1891 [to S. Watson]
-
Patterson, Harry N. Sept. 7, 1891 [to S. Watson]
-
Pax, Ferdinand Sept. 8, 1891
-
Watson, Sereno Sept. 24, 1891 [to F. Pax] [draft]
-
Paxton, Joseph Dec. 26, 1842 [to A. B. Granville with reply]
-
Peabody, Francis H. Dec. 6, 1890 [to S. Watson]
-
Pearce, J. A. Aug. 10, 1855
-
Pearson, William H. Nov. 5, 1890 [to S. Watson]
-
Peck, Charles H. Mar. 26, 1884
-
Peck, Charles H. Nov. 7, 1888 [to J. Gray]
-
Peck, Charles H. Aug. 7, 1889 [to S. Watson]
-
Peck, Charles H. Aug. 17, 1891 [to S. Watson]
-
Peirce, Benjamin Nov. 13, 1878
-
Peirce, Benjamin Nov. 13, 1878 [postcard]
-
Pengelly, William July 7, 1884
-
Pengelly, William Feb. 3, 1888 [to F.B. James]
-
Penhallow, David P. Apr. 29, 1887 [to S. Watson]
-
Penhallow, David P. Oct. 31, 1890 [to S. Watson]
-
Penhallow, David P. Apr. 3, 1891 [to S. Watson]
-
Penhallow, David P. Apr. 14, 1891 [to S. Watson]
-
Perkins, George H. Nov. 7, 1888 [to J. Gray]
-
Perkins, George H. Jan. 1, 1889 [to S. Watson]
-
Perkins, Maurice Jan. 8 [no year]
-
Perrine, Henry E. Nov. 27, 1837
-
Perrine, Henry E. undated plant descriptions
-
Perry, Matthew C. May 21, 1855
-
Perry, Matthew C. June 1, 1855
-
Perry, Matthew C. Nov. 3, 1855
-
Perry, Matthew C. Nov. 7, 1855
-
Perry, Matthew C. Dec. 17, 1855
-
Perry, Matthew C. Jan. 14, 1856
-
Perry, Matthew C. June 7, 1856 [with reply]
-
Perry, Matthew C. June 18, 1856
-
Gray, Asa June 20, 1856 [to M. C. Perry]
-
Perry, Matthew C. Apr. 24, 1857
-
Perry, Matthew C. May 15, 1857
-
Peters, C. H. F. Nov. 29, 1858
-
Peters, Thomas M. Oct. 1, 1851
-
Peters, Thomas M. Nov. 16, 1851
-
Peters, Thomas M. July 29, 1852
-
Peters, Thomas M. Sept. 13, 1852
-
Peters, Thomas M. Feb. 3, 1853
-
Peters, Thomas M. Feb. 15, 1853
-
Peters, Thomas M. Mar. 21, 1853
-
Peters, Thomas M. May 9, 1853
-
Peters, Thomas M. June 15, 1853
-
Peters, Thomas M. June 25, 1853
-
Peters, Thomas M. Dec. 14, 1853
-
Peters, Thomas M. Feb. 27, 1854
-
Peters, Thomas M. Apr. 18, 1854
-
Peters, Thomas M. Jan. 1, 1855
-
Peters, Thomas M. July 17, 1855
-
Peters, Thomas M. Nov. 9, 1855
-
Peters, Thomas M. May 7, 1856
-
Peters, Thomas M. Nov. 21, 1856
-
Peters, Thomas M. Mar. 12, 1857
-
Peters, Thomas M. Aug. 5, 1858
-
Peters, Thomas M. Sept. 14, 1858
-
Peters, Thomas M. Jan. 1, 1860
-
Peters, Thomas M. Dec. 23, 1860
-
Peters, Thomas M. June 17, 1865
-
Peters, Thomas M. Sept. 25, 1865
-
Peters, Thomas M. Mar. 15, 1866
-
Peters, Thomas M. Feb. 28, 1868
-
Peters, Thomas M. Nov. 4, 1870
-
Peters, Thomas M. Dec. 7, 1870
-
Peters, Thomas M. Feb. 19, 1880
-
Peters, Thomas M. Mar. 1, 1886
-
Pike, Walter N. Apr. 24, 1891 [to S. Watson]
-
Piper, Charles V. Nov. 21, 1888 [to S. Watson]
-
Piper, Charles V. Feb. 6, 1889 [to S. Watson]
-
Piper, Charles V. May 28, 1889 [to S. Watson]
-
Piper, Charles V. May 28, 1889 [to S. Watson] [enclosed note]
-
Piper, Charles V. Jan. 8, 1890 [to S. Watson]
-
Piper, Charles V. June 3, 1891 [to B. L. Robinson with reply]
-
Piper, Charles V. Sept. 13, 1891 [to S. Watson]
-
Pitcher, Zina Sept. 19, 1838
-
Pitcher, Zina Apr. 26, 1842
-
Planchon, Jules Émile July 19, 1873
-
Planchon, Jules Émile May 12, 1887
-
Plank, Elisha N. Aug. 18, 1885 [to S. Watson]
-
Plank, Elisha N. Nov. 15, 1886 [to S. Watson]
-
Plank, Elisha N. July 30, 1888 [to S. Watson]
-
Plank, Elisha N. Nov. 2, 1890 [to S. Watson]
-
Plummer, Evelyn E. Aug. 5, 1887 [envelope]
-
Plummer, Evelyn E. Aug. 5, 1887