00295nam a2200097Ia 450000500170000000800410001708200120005810000180007024500660008826000430015420260224040901.0260224s9999||||xx |||||||||||||| ||und||  a581 STE  aSteere, W.C.  0aFifty years of botany; golden jubilee volume of the Botanical  aNew York, Mc-Graw-Hill Book Co. c1958