MONOGRAPHIE DER GATTUNG TARAXACUM 205 
Monographie der Gattwng Taraxacum. Yon Dr. H. Freih. v. 
ANDEL-Mazzerti. 4to, pp. 175. 7 plates. Leipzig: 
F. Deuticke. 
The recently- Waa “ote Hh eae der Gattung Taraxacum, 
by Dr. Heinrich Freiherr yon Handel-Mazzetti, Assistant in the 
Botanical Institute of the Rox al University of Vienna, is another 
remarkable example of Teutonic painstaking and thoroughness. 
sm m 
Dandelions of the world, describes no less than fifty-seven species, 
forty-one of which are Asiatic, twenty-nine or thirty European, 
seven North American, three African, two South American, and 
two Australasian. Of course, it is tapitithiase to ask if it is worth 
while making species of our European varieties, as eed and 
most English authorities have considered them—such, ¢.g., as ery- 
throspermum, levigatum and palustre ; but tha Continental bota- 
nists have a pene —- ago. _ Nyman, i in his _ Conspectus @ 
Europee, divid , against 
Handel- Massovtt s wire Aa an instance of elaborate work, we 
may ere! that 7. levigatum DC. occupies seven pages of the 
mon which the synonymy takes about a page and a 
third, and dhs fegpeoee four, the plant being repo m all 
parts of Europe, Morocco, Asia Minor, S a, Persia, Turkestan, 
and North America, in which last continent "tt is certainly Ene 
We have noticed the Antarctic T. magellanicum Com- 
by the roadsides at Stanley, Falkland Islands, massed 
bestia bt Flap n almost inconceivable density. 
There is in this monograph a careful, illustrated chapter on the 
d b 
of dried specim ens Not twenty-six species, half the natural size. 
Another photograph on the same scale (p. 66) apes & ore 
Mesormeled of the northern T. ceratophorum DC. Ther 
ul maps, showing the distribution of the Old World | segs 
ks interesting feature of the work is the ‘ Historische Darstel- 
des Entwicklungsganges,” with ingenious diagrams tracing 
d to read his proofs ; such errors as “sout” for south, 
“Chatam ” for Chatham, “coart” for coast,” é&c., should not 
appear in so valuable a monograph. R.M.M 
By 1AM CHASE 
University of Kansas. poe 136 illustrations. Pp. xii a 
enc J.&A.Churchill. 1908. Price ior ba ek 
Pror. Stevens is to be congratulated on having written an 
extremely cea! clomentary account of the pear a anatomy 
of plants. The book is an almost ideal one for that large class of 
