A manual of orchidaceous plants cultivated under glass in Great Britain - James Veitch & Sons. (J. Veitch & Sons, 1887)

Margaret Ilgenfritz orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Margaret Ilgenfritz, 1959)

Margaret Ilgenfritz orchids - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Margaret Ilgenfritz, 1958)

Mary's scrap book - Howard, Mary Matilda, (Wm. S. Orr and Co, 1840)

Meehans' monthly : a magazine of horticulture, botany and kindred subjects (Thomas Meehan & Sons, 1893)

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, 1898)

Mémoires de la Société du muséum d'histoire naturelle de Strasbourg - Société du musée d'histoire naturelle de Strasbourg. (F. G. Levrault, 1840)

Mémoires de la Société nationale des sciences naturelles et mathématiques de Cherbourg - Société nationale des sciences naturelles et mathématiques de Cherbourg. (J. B. Baillière, 1892)

Memorie della Reale accademia delle scienze di Torino - Accademia delle scienze di Torino (Stamperia reale, 1896)

Meyers grosses konversations-lexikon. Ein nachschlagewerk des allgemeinen wissens. 2557142MC - Meyer, Hermann Julius, 1826 -1909 (Bibliographisches Institut, 1902)

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

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1921)

Mikrochemie der pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1923)

Mikrochemie der Pflanze - Molisch, Hans, 1856 -1937 (G. Fischer, 1913)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1918)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1936)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1961)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1962)

Mitteilungen aus dem Osterlande (1839)

Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark - Molisch, Hans, 1856 -1937 (1909)

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

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten und der Gesellschaft der Gartenfreunde Berlins - Gesellschaft des Gartenfreunde Berlins. (P. Parey [etc.], 1879)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten für Gärtnerei und Pflanzenkunde - Verein zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten. (In Kommission bei Wiegandt, Hempel & Parey [etc.], 1874)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten für Gärtnerei und Pflanzenkunde - Verein zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten. (In Kommission bei Wiegandt, Hempel & Parey [etc.], 1877)

Monatsschrift des Vereines zur Beförderung des Gartenbaues in den Königl. Preussischen Staaten für Gärtnerei und Pflanzenkunde - Verein zur Beförderung des Gartenbaues in den Königlich Preussischen Staaten. (In Kommission bei Wiegandt, Hempel & Parey [etc.], 1878)

Monatsschrift für Kakteenkunde (J. Neumann, 1910)

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

Le Moniteur d'horticulture ([s.n.], 1897)

Le Moniteur d'horticulture ([s.n.], 1898)

Le Moniteur d'horticulture ([s.n.], 1899)

Monograph & iconograph of native British Orchidace - Godfery, Hilda Margaret. (University press, 1933)

A monograph of the Trochilidæ, or family of humming-birds - Gould, John 1804 -1881 (Printed by Taylor and Francis, 1849)

More letters of Charles Darwin : a record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (D. Appleton and Company, 1903)

More letters of Charles Darwin : a record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (J. Murray, 1903)

More letters of Charles Darwin. A record of his work in a series of hitherto unpublished letters - Darwin, Charles, 1809 -1882 (J. Murray, 1903)

Mrs. Theodosia B. Shepherd's descriptive catalogue of California flowers : plants, seeds, bulbs, palms, orchids, cacti - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Theodosia B. Shepherd Co, 1893)

My garden, its plan and culture together with a general description of its geology, botany, and natural history - Smee, Alfred, 1818 -1877 (Bell and Daldy, 1872)

Nanz & Neuner's illustrated catalogue of seeds, plants and bulbs - Henry G. Gilbert Nursery; Seed Trade Catalog Collection. (Nanz & Neuner, 1894)

Naturae novitates : Bibliographie neuer Erscheinungen aller Länder auf dem Gebiete der Naturgeschichte und der exacten Wissenschaften (R. Friedländer & Sohn, 1898)

The natural history of plants : their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie & son, limited, 1902)

The natural history of plants, their forms, growth, reproduction, and distribution: from the German of Anton Kerner von Marilaun ... Tr. and ed. by F.W. Oliver ... with the assistance of Marian Busk ... and Mary F. Ewart ... With about 2000 original woodcut illustrations and sixteen plates in colours - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt and company, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt and Company, 1895)

The natural history of plants, their forms, growth, reproduction, and distribution: from the German of Anton Kerner von Marilaun ... Tr. and ed. by F.W. Eliver ... with the assistance of Marian Busk ... and Mary F. Ewart - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1894)

The natural history of plants, their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1902)

The natural history of plants, their forms, growth, reproduction, and distribution: from the German of Anton Kerner von Marilaun - Kerner von Marilaun, Anton, 1831 -1898 (H. Holt, 1895)

The natural history of plants; their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1894)

The natural history of plants, their forms, growth reproduction, and distribution; from the German of Anton Kerner von Marilaun - Kerner von Marilaun, Anton, 1831 -1898 (Blackie & Son, 1895)

The natural history of plants; their forms, growth, reproduction, and distribution - Kerner von Marilaun, Anton, 1831 -1898 (Blackie, 1896)

A natural system of botany; or, A systematic view of the organisation, natural affinities, and geographical distribution of the whole vegetable kingdom - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

A natural system of botany, or, A systematic view of the organization, natural affinities, and geographical distribution, of the whole vegetable kingdom : together with the uses of the most important species in medicine, the arts, and rural or domestic economy - Lindley, John, 1799 -1865 (Longman, Rees, Orme, Brown, Green, and Longman, 1836)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1880)

La naturaleza; periódico científico del Museo Nacional de Historia Natural y de la Sociedad Mexicana de Historia Natural - Sociedad Mexicana de Historia Natural. (Impr. de I. Escalante, 1885)

A naturalist in Brazil; the record of a year's observation of her flora, her fauna, and her people - Guenther, Konrad, 1874 -1955 (Houghton Mifflin Company, 1931)

The naturalist of the sea-shore; the life of Philip Henry Gosse - Gosse, Edmund, 1849 -1928 (Heinemann, 1896)

The naturalist of the sea-shore; the life of Philip Henry Gosse - Vines, Sydney Howard, 1849 -1934 (W. Heinemann, 1896)