SOMMAIRE. 



Articles: 



JoHANNA Westeedijk. Zur Régénération der Laubmoose . 1 



W. J. JoNGMANS. Ueber Brutkôrper bildende Laubmoose . 67 



W. BuRCK. On the influence of the nectaries and other 

 sugarcontaining tissues in the flower on the opening of 

 the anthers 163 



