THE FLORA OF NORTH AMERICA. 49 



Frederik Christian Emit 'Borgesen \\as borii at Copenhagen, Jan. 

 1st., 1866, received hi.s Master's degree in 1891, and became 

 librarian of the Botanical Garden in 1900. He has made several 

 journeys in Sweden, Denmark and Norwa}^ and has made a special- 

 ty of the fresh-water algae, especially the Desmids. He made 

 two visits to the Danish West Indies, one in 1893, the other in 

 1895 — 6, together with 0. Paulsen. Here he studied especially the 

 marine algae. He has published the following papers: 



Ferskvandsalger fra Ostgronland, 1894. 



Om Vegetationen paa de danek vestindiske Oer [with 0. Paulsen], 1898. 

 La Vegetation des .Antilles Danoises [together with O. Paulsen], 1900. 

 Vore vestindiske Oer, 1900. 



A Contribution to the Knowledge of the Marine Algoe Vegetation on the Coast 

 of the Danish West Indies [also in Danish], 1900. 



Che 'Vithetm Paulsen was born at Aarhus, Denmark, March 

 22nd, 1874. He made seA'eral shorter journej'S in Denmark and 

 Norway, and went with Borgesen to the West Indies in 1895 — 6. 

 In 1897, he received his Ma.ster's degree and in 1898 — 9 he par- 

 took in the expedition to Pamir under Lieutenant Olufsen. He 

 became assistant at the Botanical Garden in 1900. Together 

 with Borgesen he published: 



Cm Vegetationen paa de Dansk-Vestindiske Oer, 1898. 



Carl Emit Hansen Ostenfetd- (See under Greenland and Arctic 

 America, page 47). 



Cart Ola'v Ernst Hansen v^^SiS born at Olstycke, near Copenhagen, 

 the 7th of June, 1865. He was a gardener by trade; came in 1885 

 to the Botanical Garden at Copenhagen; made a journey to 

 France in 1888, where he was employed for some time at Jardin 

 des Plantes. In 1892 he was offered to go to the West Indies and 

 eventually take charge of an Experimental Station which was 

 contemplated. He visited Barbadoe, Jamaica, Domingo, and St. 

 Lucia, where he studied the botanical gardens and sugar planta- 

 tions. He made collections of jalants, which he sent to Copen- 

 hagen. 



*& 



Mexico and Central America. 



Angust Gustaf Eisen (See Fnited States, page 39). 

 Pehr H/'atmar Otson-Seffer (See United States, page 45). 



