394 Scientific Intelligence. 
this attractive book calls forth. If space permitted we woul 
call a attention to the new part of the Preface, with its 
remark that, in the author’s own experience upon our sea coast, 
European Oaks, B Beech, Linden, Maple, Elm, Ash, Mountain-Ash, 
and Pine, are “more hardy than the corresponding American 
trees,” and its warning close from Bryant’s early poem, as well 
the important chapter on the uses, continuation ee: improvement 
of our forests. 
21. On the Classification and Sexual Reproduction of vi ‘hallo 
phytes ; by W. T. Tutsetron Dyer. An article of 33 pages 5V0, 
revised and reprinted from the Quarterly Journal of the Micro- 
eas Society, London, July, 1875.—A timely and good resume 
of all the important recent ents midis to our knowledge of this 
subject, based upon the fourth edition of Sachs’ Lehrbuch, with 
historical and critical discussion. ‘The eeeag is the provisional 
adoption of Sachs’ classification, in which Algw, Fungi, and 
Lichens, are relegated to the past, all T hallophytes are arrange 
in two parallel series, one with chlorophyll (Algw and Charace® 
of old) and one without, the latter being to the former nearly 
what Monotropee, Orobanchee, Cuscuta, and the ro ola 
orchids are to the orders they respectively pertain to,or are para 
sitic representatives of; and the classes they are arranged under 
2 
rising 
dived above. The green series begins below with the a 
ophycece, followed hd ve Palmellacee, and ends with F lort Ke 
followed by Characee. The ppv! ” Fungi-series begins wit 
by 
) e rs of 
degra not with any strict saa meniicalso. As to t 
the Lich henes, if is remarked t hat the. ate 
