00386nam a22001337a 4500008004100000040005500041080001300096100002600109245003600135260004600171300001100217650001100228653001300239230530b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a582 bJ5  aLawrence, George H M   aIntroduction to plant taxonomy   aNew York: bThe Macmillan company, c1955  a179p.   aPlant   aBiology