218 
Haussknecht: Monographie der Gattung Epilobium 1884. 
Hegelmayer: Monographie d. Gattung Callitriche. Stuttgart 1864. 
Lange, Joh.: Conspectus Florae Groenlandicae. Meddelelser om Gronland 
3. Hefte. Kobenhavn 1890. 
— Bemærkninger om de i 1883—85 indsamlede Planter paa Østkysten 
af Grønland. Medd. om Gronl. 9. Hefte. 1889, p. 271. 
Nathorst, A.G.: Botaniska anteckningar fran nordvestra Grönland. Ofversigt 
af Kungl. Vetenskaps-Akad. Förhandlingar 1884, No: 1. 
— Fortsatta anmarkningar om den grönlandska vegetationens historia. 
Kgl. Vet.-Akad. Förhandl. 1891, No: 4. 
Nordenskiöld: Den andra Dicksen’ska Expeditionen till Grönland. Stock- 
holm 1885. 
Neuman: Sveriges Flora. Lund 1901. 
Ostenfeld, C.: Flora Arctica. I. København 1902. 
Rosenvinge, L. Kolderup: Andet Tilleg til Gronlands Fanerogamer og 
Karsporeplanter. Medd. om Gronl. 3. Hefte. Kobenhavn 1892. 
Raunkiær, C.: De danske Blomsterplanters Naturhistorie 1. 
— Dansk Excursions Flora. 1890. 
I beg the many botanists who during the composing and 
else have assisted by word and deed to receive my best thanks. 
I shall name here Professor E. Warming, who always has 
assisted me, Professor Wittrock, Stockholm, who left the 
rich collections of the Rigsmuseum to my disposal, Amanuensis 
Dr. R. Fries, who assisted me at the named museum, Ama- 
nuensis Dahlstedt, who kindly determined the genera Ta- 
raxacum and Hieracitum, Inspector of the museum at Copen- 
hagen mag. sc. C. H. Ostenfeld, who determined Cyperaceae 
and mag. sc. C. Raunkiær, who determined Juncus bulbosus. 
Randers, the 25th of March 1906. 
Chr. Kruuse. 
