ies DPE PAR ELEMENT OF AGRICULTURE. 
BUREAU OF PLANT INDUSTRY—BULLETIN No. 2. 
B. T. GALLOWAY, Chief of Bureau. 
SPERMATOGENESIS AND FECUMDATION OF ZAMIA 
BY 
HERBERT J. WEBBER, 
PHYSIOLOGIST, VEGETABLE PATHOLOGICAL AND PHYSIOLOGICAL 
INVESTIGATIONS, 
PLANT-BREEDING LABORATORY. 
IssuED DrcEMBER 28, 1901. 
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WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
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