64 THE JOURNAL OF BOTANY 
- characters. The mode of reproduction of mutation tends to re- 
semble that of sexual characters; when conjugation occurs there 
is an appearance of alternative inheritance as — both sexual 
characters and mutations, but it is an appearance only. 
and actual blending between the patent char one indi- 
vidual and the xg character of the other, thévatore ‘blending | is 
universal. This tendency, owing to the predominance and pre- 
potency of pagent characters, tends to cause a 
on cessation of selection, and this is the function of s 
Mr. A. B. Jackson ope gee to the Picesedings of the 
Hampshire Field Club a paper on the Moss Flora of Hampshire 
and the Isle of Wight. Mr. saiiba considers that a good deal 
remains to be done before the Moss Flora can be regarded as 
pepe ae 8 worked out, and observes that the New Forest, sithough 
a fav or students of flowering plants, has never 
boon =yokamatienlly explored for mosses and upati ics. In the list 
iven all geen ee including those of Mr. Dixon in this 
Journa 1 for 1898, are i ed, and numerous additions are made. 
sinter now pees for the county is over 270. 
Tue last number of the Icones Plantarum contains as usual a 
large number of interesting novelties, mostly from China. Mr. 
ream is, as “aust, the sient contributor; he describes as a 
ee new) of Stauntonia. It might perhaps have been mnaithraeien 
der S. chinensis DC. (which dates from Syst. i. 514 (1818) not 
from Prodr. i. 96 aid ) that the type was sees by Staunton 
entl 
an ey, W. specimens, as is ently the case, are 
ser pointe localized. Amo ong Mr. Hem satay" s other interesting 
new species are Sciaphila Clemense, Altingia gractlipes, four 
ane of pees and Sabia gracilis ; Cordeauxia rt Hemsl. 
d Peglera capensis Bolus are figured and fully desc 
it is most satisfactory ‘g find that, though oly toni ur years 
lapsed since the publication of Dr. Jost’s Physiology 
(Vorlevinnes uber Pflanzen Physiologie. Jena: Fischer), a second 
_ edition is uired. The ew edition is similar to the 
_ old in size and general arrangement of contents; the only note- 
worthy change in the mode of subdivision of the subject con- 
sists In the linking together of “ Stoff-und Energie-wechsel” in 
wechsel.” The text has been carefully and critically revised, and 
accounts of the more fundamental recent researches —<. g., those 
of the Cambridge p ts on Carbon are added. 
The relegation of the lists of authors cited to the end of the 
volume is in our opinion a mistake, and we would suggest that 
in the third edition these a should. be once again placed a t the 
ends of the chapters, and that, in addition, an al: sbetionk fs index 
of authors with subjects should be the general index.—F. K. 
