CONTENTS. IX 



Page. 



Elfving (1S90) 23 



Busch (18S9) 23 



Palladine (1890, 1891, 1893) 23 



DeLamarliere (1893) '. 24 



DeCandolle, C. (1S92) 24 



Frank (1893) 24 



Wiesiier ( 1 893 ) 25 



Ziegebein ( 1 893) 25 



Klemm (1893) 25 



Noll (1888) 25 



Berthold (1883) 25 



Godlewsky ( 1 893 ) 25 



Frankfurt (1893) 25 



Jost (1894, 1895) 26 



Amelung ( i S94) 26 



Goebel (1895) 26 



Klemm (1895) 27 



Mobius (1895) 27 



Ward (1895) 27 



Bonnier (1895) 28 



MacDougal (1896) 28 



Darwin, F. (1896) 28 



Klebs (1896) 28 



Stameroff (1897) 29 



Lendner (1867) 29 



Cm-tel (1897) 29 



Green (1897)....- 29 



Grantz (1898) 3^ 



Vogt (189S) 30 



Teodoresco (1899) 3^ 



Klebs (1900) 31 



BuUot (1897) 31 



Ternetz (1900) 3^ 



Brenner (1900) 32 



Thomas (1900) 32 



Maige (1900) 32 



Livingston (1901) 3 



Goff (1901) 32 



Ricome (1901, 1902) 33 



Noll (1902) 33 



Benecke (1898) 33 



Wiesner (1891) - ^^ 



