360 The Botanical Gazette. [September, 
jor group, and its extensive modification into diverse genera, 
but as well by its relations through the Anthocerotales to 
higher groups which have themselves a high antiquity. 
Hepatic 
Alge. 
r is it entirely — 
above ou 
remail 
for 4 
2. The group is not a compact one, no : 
Ghnecrihed The three groups of the Hep a 
lined differ as much or more among these aie 
ing bryophytés differ from them. .There 15 4 ith our Pf 
new grouping of the bryophytes to accord wi 
saat 
