264 



BOTANICAL GAZETTE 



[OCTOBER 



TABLE V. LUNULARIA 

 All quantities given are cubic centimeters of 3^/80 solutions 



EQUISETUM 



The spores of Equisetum retain their vitality for only a few days. 

 The fruiting cones were brought into the laboratory and allowed to 

 stand for a day or two. The freshly shed spores were then placed on 

 the surfaces of solutions in covered glass dishes. They germinate 

 rapidly and in a few days produce prothallia of fair size. The aver- 

 age results of four series of experiments are shown in Table VI and 

 fig-4- 



FLOWERING PLANTS 



The most extensive series of experiments was made with wheat. 

 The variety selected is known as Early Genesee. The percentage 



