156 NOTICES OF BOOKS. 
termination of a task which lays all aystematio botanists under 
great obligations to them. The following summary by Mr. Bentham 
of the number of phanerogamic plants known to science may be of 
interest :—— 
Orders. Genera. Species (estimated). 
Polypetalx 82 2610 81,874 
Gamopetale 45 2619 84,556 
Monochlamydex 36 801 11,784 
nosperm 3 44 415 
Monocotyledons 34 1495 18,576 
Totals 200 7569 97,205 
We have received the ‘ Report of an exploration of parts ot 
foi cosines Idaho, and Montana’ ist of by Lieut.-Gen. P. H. Sheridan 
THE ri Annual Report of the Erith and Belvedere Nat. Hist. 
Soc. contains a list of the Mosses of the neighbourhood, by Dr. 
A. S. Greenway. 
Dr. J. Croumbie Brown has compiled a readable little volume 
entitled ‘ The Forests of England and the management of them in 
bye-gone times’ eatatiiiet Oliver & Boyd). 
We have received me peng ee gs be 1880-1882, Sete 
by the Sociedade Brot a (Coimbra, 1883). It contains a 
cone a of the plants distributed by ‘a Society, to which’ are 
adde tical notes on some of the more interesting, with des- 
captions ‘of Pulicaria mioroophaa Lange, and Andryala Ficalheana 
Daveau, species new to science 
Unver the title ‘ Timehri,’ the Royal Agricultural and Commer- 
cial Society of New Guinea is issuing a half-yearly journal, Mr. 
E. F. im Thurn being editor. In the second number, Mr. G. 8. 
Kaieteur Savannah’ ; and there is also a letter from Dr. Schom- 
burghk of Adelaide, giving some interesting autobiographical details. 
Mr. William Trelease sends us a reprint from the ce gp 
of the Boston Bociety of Nat. History of his paper “ On the struc- 
tures which favour cross-fertilization in several plants.” large 
number of observations upon numerous pacapeg are quell those 
upon Lemna minor being especially interestin 
Unvzr the title ‘ hag a wi eae randy Messrs. Samp- 
son Low and Co. have issued a handsome large quarto volume 
containing sixteen colour “al groups = ere ions, Although 
not — pogo es book will be useful to the many who wish 
to asc the of the more striking plants met with in 
eir coor oh aang’ ‘ts Alps. The flowers have been painted 
natural size, from living plants; each species stands out clearly, 
and the colouring is very careful. Each group is accompanied by 
an outline sketch, from which the names may be readily seas 
