3 ty] Current Literature, 367 
. - Baty, water, oxygen, contact of solid bodies, and symbiosis, are first 
| taken up. The last topic occupies twenty pages, and isa feature of the 
, vork that every botanist will desire to examine. Symbiosis is dis- 
J} “wushed as antagonistic (parasitism) and mutualistic. The latter is 
‘J ‘M2 parated into disjunctive (illustrated by the reciprocal benefits 
- Disect pollination) and conjunctive (illustrated by lichen symbiosis, 
endotropic mycorhiza, and by the presence of alge 
some higher plants). Several well drawn figures illustrate the 
a » Orchidacex and Leguminose. 
i Under physical prope 
3 The ch 
hn, 
€mical portion of the subject includes respiration, fermenta- 
in 
Wie i the past few years, and the author having been one of 
f Ve be . s i" : 
-Sitinteres © of investigators. in this line, makes this one of the 
‘ sting Portions of the work. 
ee eal Part of the first volume closes with a chapter on 
3 Te On, heredity, etc. 
ives — pens with fifty pages of general morphology, 
¥ bis “18 devoted to special morphology and classification. 
5 Pted 76 Outline will give the main features of the classifica- 
ae by the author. 
ih "ALLOPHY TA « 
: qiromycetes, : 
$ Peridine, om (includes nostoc, oscillaria, etc., and bacteria). 
. @ (Small ; 
+ Diatomaces » Mostly marine, flagellates). 
$ Alow (; ; 
a ‘ ur Classes, one being Characez). 
a MHC e. Classes). 
: : mucin 
nl dophyta in fo : z 
; PeameRocasca, ur classes, one entirely fossil). 
(™osperm i 
. ze : 
: sperma, (in four classes, one entirely fossil). 
