



EFFECT OF INIOISTLKE ON POLLEN (JRAINS 



Pollen of Phoenix cannriensis, a spccifs vrrv clost-lv rt'latod to the date i)alni, ])lK)tuKraphcd 

 at (lainc'svillc, Florida, 1)V John BfllinK, in OctolxT. 1914. The upper photograj)h shows 

 the dry pollen as it leaves the anthers of the male flower. The mieroscope slide was 

 then breathed on and another exposure made witliout shifting any part of tlie ai)i)aratus, 

 the result being shown in the lower photograph. Scale at the bottom is in tenths and 

 Inmdredths of a millimeter. (Fig. 3.) 



