



r 



GAMETOPHYTIC REGENERATION AS 



EXHIBITED BY MOSSES, AND 



CONDITIONS FOR THE GERMINATION 



OF CRYPTOGAM SPORES. 



INAUGURAL-DISSERTATION 



e 



PRESENTED TO THE 



FHILOSOPHICAL FÄCULT 



OF THE 



LMYERSITY OF LEIPZIG 



BY 



FRED DE FOREST HEALD 



FOR THE 



DEGREE OF DOCTOR OF PHILOSOPHY 



%$&&&<*■ 



-^it^ 



LEIPZIG 



/ PRINTED BY OSWALD SCHMIDT 



. 1897. 



$#0m mm H ^ 



DEC 18 1933 *,. 



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