ALEXANDER BRAUN. . 405 
and Isoetes may be essentially complete. But his prolonged 
studies of Chara, which began forty years ago, and the com- 
pletion of which would have crowned his career, have prob- 
ably not been finished, or brought into such form that the 
results may be fully secured. 
His influence as a teacher is said to have been great; as 
an investigator he stood in the first rank among the botanists 
of our time ; as a man, his simple, earnest, and transparently 
truthful character won the admiration and love of all who 
knew him. 
