284 NOTICES OF BOOKS. 
the authority of M. Kralik and from a perusal of the list which has 
reached us, that three-fourths of each century belong to the rarer and 
newly-discovered species. Sets of this Flora Gallie et Germanie exsic- 
caía may be had at the rate of 10 francs per century, from Professor 
Billot himself, from M. Buchinger in Strasburg, and from M. H. L. 
Kralik, 15, Avenue Marbeeuf, Paris. : 
NOTICES OF BOOKS. 
ARCHER, THOMAS CROXEN: Popular Economic Botany, or description 
of the botanical and commercial characters of the principal articles of 
VEGETABLE ORIGIN, used for food, clothing, tanning, dyeing, building, 
medicine, perfumery, ete. Reeve and Co. 
This useful and well-illustrated little book might have been supposed 
to be modelled on those volumes of ‘The Library of Entertaining 
Knowledge,’ entitled “Description and History of Vegetable Sub- 
stances used in the Arts and in Domestic Economy: I. Timber Trees, 
Fruits; II. Plants used for the Food of Man; III. Materials of Ma- 
nufacture ;" by Mr. Robert Mudie, author of several ingenious writings 
especially bearing upon Natural History. Like that work, too, the pre- 
sent is “ one of a series of Essays written in a popular style.” Mudie’s 
work however must, we think, have been wholly unknown to the author 
of the ‘ Popular Economie Botany,’ or the latter could not have asserted 
at the very outset of his work, * It will appear strange to many when 
they hear for the first time that no popular work has yet appeared, de- 
voted exclusively to the commercial products of the Vegetable King- 
dom." ; 
To the editor of the ‘Kew Garden Miscellany,’ works of this nature 
 eannot fail to be of peculiar interest, and he is not ashamed to acknow- 
ledge that he has derived much information as well as amusement from 
the above-mentioned “ Description and History of Vegetable Sub- 
stances.” Unquestionably Mr. Archer has the advantage of Mr. Mudie, 
and has profited thereby, inasmuch as there is a far greater amount of 
knowledge on subjects connected with vegetable products now, than 
was the case twenty years ago; for it is too true that Botany had for à 
