Beobachtungen 



über 



die Befruchtungsorgane und die 

 Art der Befruchtung 



bei 



den Orchideen und AsklepiadeeHf 



(Observations on the organs and mode of fecundation in 

 Orcbideae and Asclepiadeae. By Robert Brown, F. R. S,, 

 Hou.M, R. a Edin. et R. J. Acad», V. P. L, S. Foreign 

 Member of the Imperial Academy of Sciences of St. Pe- 

 tersburg, of the Royal Academies of Sciences of Sweden, 

 Denmark and Bavaria, of the Royal Institute of Holland 

 and of the Imperial Academy of Naturalists, Correspon- 

 ding Member of the Royal Institute of France, and of the 

 Royal Academies of Sciences of Prussia and Brussels etc. 

 London» Oct. 1851. (For Distribution.) 56. S. 8.) 



Ueberset^t vom Herausgeber, 



