Plus d’un million de livres, à portée de main !
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A. S. Hitchcock

    Old and new Plant Lore; a Symposium: V. 11
    The Text Book of Grases
    Flora of the District of Columbia and Vicinity. By A.S. Hitchcock and Paul C. Standley, With the Assistance of the Botanists of Washington
    The Genera of Grasses of the United States: With Special Reference to the Economic Species
    Manual of the Grasses of the West Indies