NET YIELD OF SEED. 



769 



The concluding table gives the weight of sifted seed without 

 wings of the different species obtained from a certain weight of 

 winged seed, and the number of seeds in a fixed weight of sifted 

 seed. 



[The figures for Black, Mountain and Weymouth pines were kindly 

 supplied by Mr. Appel of Darmstadt, those for larch partly by Dr. 

 Schlich ; the rest are from Gayer. — Tr.] 



