CONTENTS 
BoranicAL CONTRIBUTIONS: 
New or Noteworthy North American Crassulaceae, by 
L. Brirron and J. N. Rosz. [Issued 12 
S 1903.] . . . : : : : : 
The Flora of the Matawan Formation (Crosswicks 
Clays), by Epwarp W. Berry (with Plates 43 
to 57). [Issued 128 ae : ‘ 
Bolivian Mosses, Part I, by R. S. Voie. [Is- 
sued 19 O 1903] 
The Dimensional Relations of the heuer of Cone 
pound Leaves, by CHarLEsS ZELENY (with 13 
figures). [Issued 23 O 1903] . 
Each paper was issued separately, in advance, on the 
indicated. 
