86 FLORA OF BELGIUM. 
ieghem in his ‘ Traité de botanique’ (1884)—the flowering plant 
beginning with the Composite, ending with the Tawinee, the Fe 
n ies following e k closes with lists on botanica. 
g sts 0 1 
bibliography, general and local, and published Exsiccate of the — 
chen 
Mosses, Fungi, and Li 
The critical botanist must not look here for answers to his diffi. a 
culties; but he who requires a reply to a mi imple query respecting — 
plants cultivated in Belgium will find it, often accompanie 
interesting particulars as to introduction ae Europe, use, produce, — 
ote cum. 
The Flemish names of genera and species are also give 
hope the few authorities he quotes really give the actual Flemish 
names, and not such i ene s and meaningless substitutes as are | 
often found in an English boo 
According to the author his book contains more 
than 3000 : 
species, native, naturalised, and cultivated; and compressed into 
its pages there is a large amount of interesting information only — 
m Ww in- 
tinguishes a lis from o ihopayha by leaves collapsing into 4 
pencil when taken from the water. Sosige — 
when we take into consideration the great t of 
proved if the two forms were cultivated. Aquatics change great ly 
in appearance and flexibility when cultivated; this is notably the 
in the Characea. 
That the species of Batrachium Ranunculi have been axoessively 
multiplied nara to be beyond — if we take the usual accepta- 
ee of the term. What y wanted is some one in eac 
untry with time and Spperteaey to cultivate all the forms, = do- 
28 Me iste Mr. H. C. Watson did with the Chenopodia—wateb, 
d dry the results year by year. It might be found that the — 
saad action of ries streams on these plants would not prove 50 
great as ee 
As a ‘ Flora Belewum.,’ for the botanist’s part, this book beer! 
not be of great ane but as a handy little guide covering a Wi 
field its worth is ‘considerable. Agtuur B. . 
i 
