EEPEODUCTIVE OKGANS OF PLANTS. 309 



1. That seed-wheat of the greatest density produces 

 the densest seed. 



2. The seed-wheat of the greatest density yields the 

 greatest amount of dressed corn. 



3. The seed- wheat of medium density generally gives 

 the largest numher of ears, but the ears are poorer than 

 those of the densest seed. 



4. The seed-wheat of medium density generally pro- 

 duces the largest number of fruiting plants. 



■ 5. The seed-wheats which sink in water but float in a 

 liquid having the specific gravity 1.247, are of very low 

 value, yielding, on an average, but 34.4 lbs. of dressed 

 grain for every 100 yielded by the densest seed. 



The densest grains are not, according to Church, always 

 the largest. The seeds he experimented with ranged from 

 sp. gr. 1.354 to 1.401. 



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