00465nam a22001217a 4500008004100000040005500041080001700096100002400113245014000137260003900277300001500316650001200331230531b        |||||||| |||| 00| 0 eng d  aNational Science LibrarycNational Science Library  a582.951 bJ41 aGoodspeed, T Harper  aGenus Nicotiana: bOrigins, relationships and evolution of its species in the light of their distribution, morphology and cytogenetics   aU. S. A.: bWaltham, Mass., c1954  axxi, 536p.  aScience