NOTICES OF BOOKS. 155 
and illustrated with much greater fulness than is usual; the sa e- 
mark applies with greater force to the Cryptogams, the account of 
bly clea: 
plicity and uniformity of treatment would be more in accordance with 
It is to the appendix, by the editor, in which the orders of the body 
of the work are arranged under groups, or ‘‘ cohorts,” in accordance 
with their natural affinities, that the botanist will turn with most 
interest, as it embodies a sketc to be 
followed in future parts of the great work already alluded to, the 
Genera Plantarum” of Bentham and Hooker, at present only com- 
pleted to the end of the Composite. The Monopetale in this arrange- 
ment are divided into two series with inferior and superior ovar 
respectively, and conclude with the “anomalous order” Plantaginea ; 
and the Apetale into two subdivisions, characterised in the same way, 
the petaloid Nyctaginee leading off, and the Santalal cohort (containing 
Loranthacea, Santalacea, and Balanophoracee) closing the series (with 
e€ exception of the anomalous Podostemacee, which are ‘of ve 
s 
The Cryptogams are grouped in the usual manner. 
Prefixed to this conspectus is a short introduction on the Classifica- 
at issue, and their practical solution by the author. Asa sample the 
following may be quoted :—* I am disposed to approve of the sequence 
