AMERICAN 
JOURNAL OF SCIENCE AND ARTS. 
; [THIRD SERIES,] 
4 
+ 
Art XLI.—Ezperiments in Cross-Breeding Plants of the same 
variety ; by Professor W. J. BEAL. 
EARLY in the spring of 1877, the writer received the first 
_ review of Darwin’s book on “The Effects of Cross and Self- 
_ fertilization of Plants.” The book seemed to be a most in- 
Cross on those stalks. Seed from this cross was saved an 
planted to compare with corn not so crossed. The yield from 
the crossed seed exceeded the yield of that not crossed, as one 
hundred and fifty-three (153) exceeds one hundred (100). 
Crossing black wax beans.—There were, as shown in the plat 
below, eight short rows two feet apart with the plants finally 
thinned on J uly 10th, to five plants about fifteen inches apart 
Am. Jour. Sct.—TairpD ge Vou. XVIIL—No. 101, May, 1879. 
