Plants useful to man /
Robbins, Wilfred W. 1884-1952.
Plants useful to man / by Wilfred W. Robbins and Francis Ramaley. - 2nd ed. - Philadelphia : P. Blakiston's Son & Co., inc. c1937. - ix, 422 p. : ill. ; 22 cm.
Includes bibliographical references and index.
Botany--Economic.
Plants, Cultivated.
Gentetics.
580 / ROP
Plants useful to man / by Wilfred W. Robbins and Francis Ramaley. - 2nd ed. - Philadelphia : P. Blakiston's Son & Co., inc. c1937. - ix, 422 p. : ill. ; 22 cm.
Includes bibliographical references and index.
Botany--Economic.
Plants, Cultivated.
Gentetics.
580 / ROP