A manual of exotic ferns & Selaginella comprising descriptions of over one thousand species and varieties, and upwards of six hundred synonyms; also notes on their history, culture, & mangement - Sandford, E. (H. J. Infield, 1882)

A manual of gardening for Bengal and Upper India - Firminger, Thomas Augustus Charles, 1812 -1884 (Thacker, Spink and co.; [etc., etc.], 1874)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record press, 1914)

Manual of plant diseases - Lindau, Gustav, 1866 -1923 (The Record Press, 1914)

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (Govt. Printer, 1925)

Manual of the New Zealand flora - Cheeseman, T. F. (Thomas Frederick), 1846 -1923 (J. Mackay, Govt. Printer, 1906)

Manual of vascular plants of the lower Yangtze Valley, China - Steward, Albert Newton, 1897 - (Oregon State College, 1958)

Manuel complet du jardinier, maraicher, pépiniériste, botaniste, fleuriste et paysagiste - Noisette, Louis, 1772 -1849 (Rousselon, 1835)

Manuel complet du jardinier, maraicher, pépiniériste, botaniste, fleuriste et paysagiste - Noisette, Louis, 1772 -1849 (Rousselon, 1826)

Manuel complet du jardinier maraicher, pépiniériste, botaniste, fleuriste et paysagiste - Noisette, Louis, 1772 -1849 (Rousselon, libraire-éditeur, rue d'Anjou-Dauphine, 1825)

Manuel de l'acclimateur, ou, Choix de plantes recommandées pour l'agriculture, l'industrie et la médecine, et adaptées aux divers climate de l'Europe et des pays tropicaux - Naudin, Charles, 1815 -1899 (Société d'aAcclimatation, 1887)

Marshall's seeds. 1917 [catalog] - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.E. Marshall & Co, 1917)

Marshall's seeds. 1918 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.E. Marshall & Co., Inc, 1918)

Marshall's seeds : 1912 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.E. Marshall & Co, 1912)

Marshalls seeds. 1916 - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (W.E. Marshall & Co, 1916)

Maryland geological survey - Maryland Geological Survey. (The Johns Hopkins Press, 1911)

Materials for a flora of Formosa : supplementary notes to the Enumeratio plantarum Formosanarum and Flora montana Formosae - Hayata, Bunzō, 1874 -1934 (1911)

Materials for the palaeontology of New Zealand - Thomson, James Allan, 1881 -1928 (J. Mackay, 1913)

McGregor's floral gems - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (McGregor Bros, 1895)

Mélanges de botanique et de voyages - Du Petit-Thouars, Aubert Aubert, 1758 -1831 (A. Bertrand, 1811)

Me´moires - Société botanique de France. (La Société, 1905)

Mémoires sur la famille des fougères - Fée, Antoine Laurent Apollinaire, 1789 -1874 (Impr. de Ve. Berger-Levrault, 1852)

Mémoires sur la famille des fougères - Fée, Antoine Laurent Apollinaire, 1789 -1874 (Impr. de Ve. Berger-Levrault, 1865)

Meddelelser fra den Botaniske forening i Kjøbenhavn = Bulletins de la Société botanique de Copenhague - Kiaerskou, Hjalmar, 1835 -1900 (H. Hagerup, 1887)

Mededeelingen van 's Rijks Herbarium - Rijksherbarium (Netherlands) ([Rijks Universiteit, Rijks Herbarium], 1910)

Medicinisch-pharmaceutische botanik zugleich als handbuch der systematischen botanik fur botaniker, arzte und apotheker - Luerssen, Christian, 1843 -1916 (H. Haessel, 1879)

Meehan's monthly : a magazine of horticulture, botany, and kindred subjects (T. Meehan & Sons, 1891)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1891)

Mémoire sur les fougères du Mexique, et considerations sur la géographie botanique de cette contrée - Galeotti, H. (Henri), 1814 -1858 (Hayez, 1842)

Mémoires couronnés et autres mémoires publiés par l'Académie royale des sciences, des lettres et des beaux-arts de Belgique - Académie royale des sciences, des lettres et des beaux-arts de Belgique. (F. Hayez, 1895)

Memoires de l'Academie Royale des Sciences (Turin) - Reale accademia delle scienze di Torino (1790)

Mémoires de la Société des sciences naturelles de Strasbourg - Société des sciences naturelles de Strasbourg. (Typ. de G. Silbermann, 1866)

Mémoires de la Société du muséum d'histoire naturelle de Strasbourg - Société du musée d'histoire naturelle de Strasbourg. (F. G. Levrault, 1850)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1882)

Mémoires du Muséum d'histoire naturelle - Muséum national d'histoire naturelle (France) (G. Dufour, 1822)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1958)

Mémoires du Muséum national d'histoire naturelle. Série B, Botanique - Muséum national d'histoire naturelle (France) (Ed. du Museum, 1971)

Memoirs and memoranda, chiefly botanical - Prain, D. (David), 1857 -1944 (Baptist mission press, 1894)

Memoirs of the American Academy of Arts and Sciences - American Academy of Arts; Sciences. (The Academy, 1861)

Memoirs of the Bernice Pauahi Bishop Museum of Polynesian Ethnology and Natural History - Bernice Pauahi Bishop Museum. ([Bishop Museum Press], 1911)

Memoirs of the New York Botanical Garden - New York Botanical Garden (The Garden, 1953)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1899)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1902)

Memoirs of the Torrey Botanical Club - Torrey Botanical Club. (Published for the Club by the Seeman Printery, 1958)

Memorias - Academia Nacional de Ciencias Antonio Alzate, Mexico

Memorias de la Real Sociedad Española de Historia Natural - Sociedad Española de Historia Natural. (s.n.], 1907)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1903)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1852)

Mexicanas plantas nuper a collectoribus expeditionis scientificae allatas :aut longis ab annis in herbario musei parisiensis depositas - Fournier, Eugène, 1834 -1884 (ex Typographeo Reipublicae, 1872)

Mexicos Bregner, en systematisk, critisk, plantegeographisk Undersögelse - Liebmann, F. M. (Frederik Michael), 1813 -1856 (s. n.], 1848)

Meyers Konversations-Lexikon : ein Nachschlagewerk des allgemeinen Wissens - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1896)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1875)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Griffith, J. W. (John William) (John Van Voorst, 1856)

The micrographic dictionary; a guide to the examination and investigation of the structure and nature of microscopic objects - Berkeley, M. J. (Miles Joseph), 1803 -1889 (J. Van Voorst, 1883)

The microscope, or Descriptions of various objects of especial interest and beauty - Ward, F. Marshall, Mrs. (Groombridge and sons, 1869)

Microscope teachings : descriptions of various objects of especial interest and beauty : adapted for microscopic observation ... - Ward, Mary, 1827 -1869 (Groombridge and Sons, 1866)

Microscopic objects, animal, vegetable and mineral; with instructions for preparing and viewing them - Pritchard, Andrew, 1804 -1882 (Whittaker, 1847)

The microscopist : a compendium of microscopic science including the use of the microscope, mounting and preserving microscopic objects, the microscope in chemistry, biology, histology, botany, geology, pathology, etc - Wythe, J. H. (Joseph Henry), 1822 -1901 (P. Blakiston, Son & Co, 1883)

The microscopist : a manual of microscopy and compendium of the microscopic sciences - Wythe, J. H. (Joseph Henry), 1822 -1901 (Lindsay & Blakiston, 1880)

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E.J. Brill, 1881)

Midden-Sumatra. Reizen en onderzoekingen der Sumatra-expeditie, uitgerust door het Aardrijkskundig genootschap, 1877-1879, beschreven door de leden der expeditie, onder toezicht van Prof. P.J. Veth - Veth, Pieter Johannes, 1814 -1895 (E. J. Brill, 1881)

The Midland florist (1800)

Minnesota botanical studies - Geological; Natural History Survey of Minnesota. (Geological and Natural History Survey of Minnesota, 1896)

Miss Ella V. Baines, the woman florist, Springfield, Ohio : 1900 spring catalogue - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Baines, 1900)

Miss Martha Hiser's autumn book : beautiful flowering bulbs, winter-blooming plants, and seeds - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Miss Martha Hiser, 1900)

Mission scientifique au Mexique et dans l'Amérique Centrale : ouvrage publié par ordre de S.M. l'Empereur et par les soins du Ministre de l'instruction publique - Fournier, Eugène, 1834 -1884 (Imprimerie impériale, 1872)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1917)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1927)

Mittheilungen aus dem Gesammtgebiete der Botanik - Luerssen, Christian, 1843 -1916 (1871)

Mittheilungen von Forschungsreisenden und Gelehrten aus den deutschen Schutzgebieten : mit Benutzung amtlicher quellen (U. Usher, 1891)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1886)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1887)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1890)

Möllers Deutsche Gärtner-Zeitung - Möller, Ludwig. ([Ludwig Möller, 1899)

Monatsberichte der Königlichen Preussische Akademie des Wissenschaften zu Berlin - Königlich Preussische Akademie der Wissenschaften zu Berlin (Königliche Akademie der Wissenschaften, 1875)

Le Moniteur d'horticulture ([s.n.], 1895)

A monograph of Christmas Island (Indian Ocean) - British Museum (Natural History). Department of Geology. (Printed by order of the Trustees, 1900)

A monograph of the British Eocene flora - Ettingshausen, Constantin, Freiherr von, 1826 -1897 (Printed for the Palæontographical society, 1879)

Monograph of the Palaeontographical Society - Palaeontographical Society (Great Britain) (Printed for the Palaeontographical Society, 1882)

Monographie der fossilen Flora der Pithecanthropus-Schichten - Schuster, Julius, 1886 -1949 (Verlag der Königlich Bayerischen Akademie der Wissenschaften, 1911)

The morphology of pteridophytes; the structure of ferns and allied plants - Sporne, K. R. (Hutchinson University Library, 1962)

Moscosoa : contribuciones científicas del Jardín Botánico Nacional "Dr. Rafael M. Moscoso" - Jardín Botánico Nacional "Dr. Rafael M. Moscoso." (El Jardín, 2008)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 1988)

Muelleria: An Australian Journal of Botany - Royal Botanic Gardens (Vic.) (National Herbarium of Victoria, 2000)

Museum naturalium Academiae upsaliensis cujus partem primam [-XXXIII, ultimam] - Thunberg, Carl Peter, 1743 -1828 (Typis Edmannianis, 1809)