62 MISSOURI BOTANICAL GARDEN. 



subject will, it is hoped, pardon these, and I shall ap- 

 preciate any additions that can be brought to my notice. 

 To my friend Mr. George Neumann, of Copenhagen, I am 

 very much indebted for friendly assistance. 



Aside from a few self-explanatory contractions, the 

 principal abbreviations made use of are the following : 



A. or L. A. = Liebig's Annalen der Chemie und Pharmacie. 

 Since 1832. 



Ann. de chim. = Annales de chimie. 96 voll. 1789-1815. 



Ann. de chim. et phys. = Annales de chimie et de phy- 

 sique. Since 1816. 



Ann. sci. nat. = Annales des sciences naturelles. Botan- 

 ique. Since 1824. 



Arch, der Pharm. = Archiv der Pharmacie. 



B. Z. = Botanische Zeitung. Since 1843. 



Berichte = Berichte der deutschen chemischen Gesell- 



* 



schaft. 

 Berichte d. b. G. = Berichte der deutschen botanischen 



Gesellschaft. 

 Bot. Centralbl. = Botanisches Centralblatt. Since 1880. 

 Bull. soc. chim. = Bulletin de la societe de chimie de Paris. 



C. R. = Comptes Rendus hebdomadaires des seances de 

 P Academic des Sciences. Paris. 



J. pr. Ch. = Journal fur praktische Chemie. Since 1834. 

 Journ. Linn. Soc. = Journal of the Linnean Society. 



Botany. Since 1857. 

 Journ. de pharm. = Journal de pharmacie. Paris. Since 



1815. 

 P. T. = Philosophical Transactions of the Royal Society of 



London. 

 Pringsh. Jahrb. = Pringsheim's Jahrbiicher fur wissen- 



schaftliche Botanik. Since 1859. 

 Sitz. Wien. = Sitzungsberichte der k. k. Akademie der 



Wissenschaften, naturwiss.- niathem. Classe. Wien. 

 Z. anal. Ch., or Fr. Z. = Fresenius's Zeitschrift fur 



analytische Chemie. 

 2 



