McLean, Robert Colquoun, 1890- Plant science formulae : a reference book for plant science labar atories (including bacteriology) / by R. C. McLean and W. R. Ivemey Cook. - 2nd ed. - London : Macmillan, 1952 repr. 1963. - vii, 205 p. : ill. ; 22 cm. Subjects--Topical Terms: Botany -- Laboratory manuals. Receipts. Dewey Class. No.: 580.83 MACL