64 Scientific —-- 
porous soil must allow of the free upward ee of moisture, 
also = — -sainiogs of the roots from a 
cellent is given, exhibiting es, ‘district from above 
the 424 pattllel rm ook the 39th, on which ed nia of the three 
several years are traced in colored lines, and the mountain ranges 
with the general” configuration of the surface represented We 
ei endeavor hereafter to review the systematic part 0 be: 
ort, * Prof. Oliver's Flora of Tropical A yee, vol. ii Gteansd & Gus 
London, 1871), has just been received. It comprises the Polypet- 
alous orders from m Leguminose to Ficstdews inclusive. The first 
of these orders fills over half of the volume; the Papilionaceous 
portion is by Mr. Baker, the other suborders, both largely and 
interestingly represented, are by Prof. Oliver himself, Of Cosal- 
pinier in Lavigne re r there are several remarkable and peculill 
sia . Oliver sao: elaborated the Rosacew and Damm ra- 
K 
to the British SPL has done the Crassulacew ; 4 Professot 
Lawson of Oxford, the Combretacee and the few Myrtacee: 
Dr. Hooker, the Melastomaceew, which are printer? Mr. 
Hiern of Ca ambridge, the Lythracew ; ; Dr. Mas the Samy- 
_ dacee and Passifloree ; Dr. Hooker, the convineens which are 
dander ater Band mit 59 eta 4to. (Winterthur, W irrter 
Co., 1871.) This second volume of Heer’s Arctic Fossil Flora is @ 
collation (with title page, statace and index) of the following 
the 
same ig fd 5 Transitions, 1870: in German and Latin. The 
The very sibscaakion: results which these — contain — 
already been brought to our notice in this Jou A. 
