DtllenM. 177 
come under the name of Mufci and Alg(;e 
in the Cryptogamia clafs of the fexual fyf- 
tem, except the Fucufesy fome of the 
Gonfervce^ and a very few others. The au- 
thor's method is throughout as follows ; 
at the head of each genus he gives the ety- 
mology of the name ; his reafons for adopt- 
ing that name, and applying it to the fub- 
jed: ; then the definition of his genus, fol- 
lowed by the fubordinate diftinftions for 
the arrangement of the fpecies. 
In treating on each fpecies, he gives, i . 
A new fpecific charafter, in terms intended 
to diftinguifli it from others of the fame 
genus, or fubdivifion. 2. The defcription 
of the fpecies at length ; diftinguifhing alfo, 
with great care, the feveral varieties ; and 
referring each to the feveral figures on his 
plates. 3. The general places of growth; 
and under the more rare fpecies, the par- 
ticular places where they have been found, 
or from whence he had received them : to 
thefc is fubjoined the time when each is 
found in heads, or in its moft flourifhing 
ftate. 4. The fynonym of every author at 
length, difpofed in chronological order ; 
Vol. II. J>[ noticing 
