472 THE AMERICAN NATURALIST [Vol. XLVII 



scribed above, presented characters that distinguished it 

 from the mass in much the same way that gigas is dis- 

 tinguished from Lamarckiana. In the rosette stage the 

 plant was marked because of the exceptional thickness 

 and large size of the leaves. The mature plant, some- 

 what more than 1 m. high (Fig. 12), was much shorter 



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and more stocky (gigas-Mke) than the average of the cul- 

 ture; the leaves were even thicker. The inflorescence 

 (Fig. 13) was more dense because of the shorter inter- 

 nodes so that the top appeared flattened as in gigas. 



