NOTICES OF BOOKS, 59 
vce ci _— two volumes of which were published, and since his 
death i 1 has been steadily carried on under the editorship of 
his son, nn Candolle, who has now brought it to a conclusion, 
fifty years after its commencement. It is scarcely necessary to sa 
that the ‘‘ Prodromus” consists of a series of condensed monographs 
n 
culties of the task, but leaves the great work after all unfinished, with 
even the Dicotyledons incomplete by the omission of a large and 
intricate family. The prospect of the Monocotyledonous Orders is no 
lu * 
and a 
De Candolle points out in his ‘ Réflexions sur les ouvrages généraux 
Botanique descriptive,” in the ‘‘ Archives de la Bibliotheque 
Universelle? of Geneva for November last, the difficulties are 
rapidly i increasing, not only from the i immense additio ons ms herbaria, 
books ‘ any itself, 
which wi ul I demand in fut far more complete Sealine: it 
of a ane individual. 
ders in this concluding volume are the Ulmacea, 
11 d 
; e 
by Alph. DC. (4 gen., 7 sp.); Cynocrambe, referred ‘to snleon 
and Batis, with an order to itself, by the same; and Wepenthacee, 
(34 sp.), by Dr. Hoo Seat 
e have also a list in alphabetical —_ of the genera which 
though published were drome 3 various causes omitted in the successive 
umes of the ‘ Prodrom Of ge ane have since been 
ieee their places, a as synonyms, by subsequent authors ; 
but not a tem chiefly of Aublet and Loureiro, remain still un- 
determin e scanty descriptions given by their authors being 
insufficient’ to identify them ; some, however, have been determined 
m their specimens in the "British Museum. A yery full Index 
