8330 THE JOURNAL OF BOTANY 
cloister, and were chiefly concerned with the phenomena, physio- 
logical and statistical, of hybridization. Alone and unknown, from 
1865 to the close of his life, Mendel worked at the deepest problems 
of plant-biology, 
“Voyaging through strange seas of thought alone,” 
and, as Mr. Bateson rightly says in his spirited attack on the 
illogical exposition and irrelevant criticism of Mendel’s views by 
Prof. W. F. Weldon,* had Mendel’s wor i 
Darwin, it is not too much to say that the history of the develop- 
ment of evolutionary philosophy would have been very different 
from that which we have witnessed. 
Gartner, Dean Herbert, Lecoq, and Wichura, have devoted a part 
Wichura’s profound 
stag recent history of phyt true spirit of 
philosophic inquiry pervaded all the investigations which el 
un e his experiments with laborious and scrupulous 
fect record, 
but co-ordinated his data without bias and without preconceived 
S 
none of it; S. Marshall looks askance a rs ignore 
it. Mendel points out that in Piswm the hybrids, obtained from 
the immediate erossing of two forms, have cases the sam 
experiments, the exactly opposite phenomenon seems to be exhibited. 
Now, according to Wichura, the hybrids of Salix reproduce them- 
selves like pure species. In Hieracium, may we not take it we 
© 
* Biometrika, i. pt. 2 (Feb. 1902). 
t Journ. Roy. Hort. Soc., 1900. 
} Verh. Naturf. Ver, in Briinn, abhandl. iv. (1865) et seqq. 
ea 
