14. Some grains of pollen, which in this plant are mostly 4-celled; 
magnified 200 diameters. 
15. Transverse section of the column; magnified 16 diameters. 
16. Transverse section of the ovarium; magnified 16 diameters. Mr. 
Bauer found that in many instances only one of the six pieces of 
the ovarium was placentiferous. 
