00270nam a2200109 a 450000500170000000800410001704100080005810000180006624500340008426400310011830000110014920260717072124.0260701s1973    ii            000 0 eng d  aeng1 aCronquist, A.10aBasic botany /cCronquist, A. 1aNew York :bHarper,c1973.  a536 p.