392 BOTANICAL GAZETTE. 
and yet judicious. He - not follow Dr. Winter in tracing back to eeidial 
or varietal names in case these occur, as introducing teo great an element of 
uncertainty, but adopts the more conservative plan advocated by Dr, Farlow. 
There is much to be said in favor of this, and it will ondout ae pe to give 
greater stability to our nomenclature for the present at least. The author also 
i 
e ; 0- 
spore stages are alone considered i the aus estion se ees pout and (3) the name 
e i n ap 
f 
adopted from others or not, finally fo llows. _ Out of | the eighty -two true species, 
i ial 
co op plea is ma e more Mage an investigate of the 
paemsitic ee of great Scaowic ‘imports nce. This portion — vala- 
able and in interesting reading to the majority of "Tauetiigens cultivators. 
Pi areiconical se y: Part I. ore ne By George Lee Sot 
e, , Professor of in Harvard University. 
196-400. “together fees Pr actical Bice pp. 36. New York: ‘ison, 
oe Ta eH & 1885 
3 
essentially new in the arrangem t, and thoroughly original in the 
ofthem. On further rontideration, iy ill be impressed with the very wide range 
of literature from which these fa cts have been — an me he will be than the 
that the author has not asp content with a ention of the name pee 
pa 
reader will also be impressed with the com prehensiveness - . 
ment. ecan hardly mention a topic in vegetable physiology arse ithoat Be 
elaborated or touched upon. No one can look at the table of contents "rogical : 
noticing at “ e the number and variety of the topics and their ve ery} 
nt. ~ 
__ Of all the chapters in the book, perhaps the one on assimilation sino ie 
said to the most thorough and anlitetary; kee cellent distinesee? a . 
€n assimilation proper, or the a A pripeleliak of carbon 
atifying to find the subjects of geotropism, heliotropism, 
genus, cut off with the brevity tha tout inca nee one sey ng them deman 
' t does n not explain, only serves to mystify. t 
ubject of fertilizati tion, Noe hardly receives due atone 
the r ated. h ot Oct, 
! / Untersuc u ’ 
1884), corrects his statemen ye ‘ parte ruindes oot : 
ergidee with the odsphere, (See th Gaz. ix. 328.) — 
