Sei LUTHER BLTiBAXK 



of thij ihowy partun of the flower in a multitude 

 of individual caies, and to obtenre how It maj be 

 modified by proceat of aelection, hut from the 

 present standpoint it doea not call for further 

 considerataoo. 



From the itandpoiDt of the poUeniier, the 

 ftamena with tlieir pollen-bearing anthers and 

 the receptive pistil — with or without a stigma at 

 its tip, but always having one or more oniks in 

 the egg case at Its base— «re the organa liiat 

 claim exclusive attention. 



HanihPollenizinq 



The eatenoe of pollenisdng la merely the 

 transfer of pollen tnm the stamen of one flower 

 to the stigmatic surface at the end or rarely at 

 the side of the pistil of another. 



This is the work that ' ' rmrily accom- 

 plislied by the insect It .^ u«. that tlie plant 

 experimenter accomplishes when he wiahea to 

 effect the crossing of different plants of the same 

 species or the wider cros^g, commonly called 

 hybridizing, of different species. 



There is nothing occult in the practice of the 

 bee or in the imitation of his work as practiced 

 by the hand of the pollen izer. 



What is accomplished in each case is the 

 purely mechanical transfer of a certain number 



