THE FLORA OF NORTH AMERICA. 47 



This place he was forced to leave on account of poor health. He 

 then received a position in the Botanical Museum at Copenhagen. 

 Here he worked especially on the arctic collection together with 

 Ostenfeld. Their aim was to publish an Arctic Flora. The work 

 has been continued by Ostenfeld, and the first fascicle has been 

 published. In 1897, Gelert made a journey to the Canary Islands. 

 He died the 20th of March, 1899, at Copenhagen. 

 Notes on Arctic Plants, I [Cruciters], 1897. 



Per Dasen was born at Wimmerby, Sweden, the 4th of August, 

 1855. He is a civil engineer by profession and has made the 

 following journeys, mostly in the interest of botany: to Kamerum 

 in 1890—2, Terra del Fuego in 1896— 7, East Greenland (with 

 Nathorst) in 1899, and Patagonia 1904 — 5. He is an amanuen- 

 sis at the Museum of Rio Janeiro since 1901. 



Beitrage zur Laubmoosflora Ostgronlands und der Insel Jan Mayen, 1901. 

 Mgra viktiga vaxtfynd fr&n nordostra Gronland, 1901. 

 Zur Kentniss der Gefasspflanzen Ostgronlands, 1901. 



Herman Georg Simmons was born at Dalby, Sk^ne, Sweden, the 

 16th of August 1866, became Ph. Cand. in ] 892, and amanuensis 

 at the Botanical Museum at Lund in 1893. He was the botanist 

 of Sverdrup's expedition to Ellesmereland (west of Greenland) in 

 1898 — 1902. The following are his publications: 



Preliminary Report on the Work of the Second Norwegian Polar Expedition 

 1903. 



Flora of Ellesmereland, Part I, 190... 



Ca.rt Emit Hansen Ostenfeld was born at Banders, Denmark, 

 August 3rd, 1873. He has been inspector of the Botanical Muse- 

 um at Copenhagen since 1900. He has made as his specialty 

 the study of the flora of arctic regions. The following publica- 

 tions referring to America are from his hand: 



Om inslsebte Planter fra Ivigtut (Syd Gronland), 1902. 



Flora Arctica, Part I, 1902. 



Halophila Aschersoiiii [native of St. Croix], 1902. 



Haffo Gastaf AdotfDatitstedi was born at St. Lars, Ostergot- 

 land, Sweden, the 8th of February, 1856, became amanuensis at 

 the Botanical Garden at Stockholm in 1890 and at the Botanical 

 Museum in 1892 — 4. He is a specialist on several Cichoriaceous 

 genera, especially Hieracium. He has furnished some contribu- 

 tions to the knowledge of the North American Flora. He wrote 



