37 



and has recently published a systematic account of all Danish Agaris 

 caceae. Together with Rostrup he has, for several years, been the 

 leader of the mycological excursion which is . every autumn arranged 

 by the Botanical Society and has with indefatigable zeal determined 

 the collected Agaricaceae and arranged exhibitions of the collected 

 material. 



PouLSEN, ViGGO Albert, born May 31. 1855 in Copenhagen. M. Sc. V. A. P. 

 1882, Ph. D. 1888, 1893 lecturer, 1902 professor of botany of the Phar= 

 maceutical College. 



Prytz, Carl Vilhelm, born March 21. 1857 at the rectory of Hans Prytz. 

 herred. Graduated as a forester 1879. Succeeded P. E. Muller as tea« 

 cher of cultivation of forests of the Royal Vet. &. Agric. College, 1892 

 professor; son^inslaw of professor E. Warming. 



Ravn, Frederik K0LPIN, born in Aalborg May 10. 1873. M. Sc. 1896. F. K. R. 

 Ph. D. 1900. 1892-1905 assistent of professor_R_osTRUP and after his 

 death 1907 his successor as professor of phytopatology and adviser of 

 the Department of Agriculture as to diseases of cultivated plants. I 

 am highly indebted to professor F. Kblpin Ravn because he has, in 

 several respects, assisted me with the present work. 



Raunkisr, Christen Christiansen, born March 29. 1860 at Raun« Raunkiser. 

 kiaergaard near Varde. M. Sc. 1885; from 1894 employed at the Bota* 

 nical Museum. 1909 lecturer of botany, from Jan. 1. 1911 professor of 

 botany at the University of Copenhagen. Occupied himself for seves 

 ral years with independent examinations of Danish fungi, has pub« 

 lished an systematic account of the Danish Myxomycetes. 



RosENViNGE, Janus Laurits Andreas Kolderup, born Novbr. 7. L. K. R. 

 1858 in Copenhagen. M. A. 1882. Ph. D. 1888, lecturer at the Univer:= 

 sity of Copenhagen 1895; lecturer of Cryptogamy of the University. 

 Closely connected with Rostrup through common botanical studies as 

 also through intimate friendship. Has written the biography of Ros 

 strup in Bot. Tidsskr. vol. 28 ''ss-iss^ ^^^ ^ms in several ways improved 

 our knowledge of the fungi of Denmark. 



Rostrup, Asta, only daughter of E. Rostrup. Often accompanied A. R. 

 him on his excursions. Has also herself collected fungi for her father. 



Rostrup, Ove Georg Frederik, born Febr. 29. 1864 at Skaarup. O. R. 

 Only son of E. Rostrup, married the well-known LadysEntomologist 



