26 SCANDINAVIANS AND 
March 27,1880. In 1851—’53 he was the botanist of the journey 
around the world of the Swedish man-of-war Eugenie, on which 
tour the Galapago Islands were especially studied. Anderson was 
the most prominent salicologist of his time, and numerous wil- 
lows from America as well as elsewhere have been described and 
named by him. The works from his hand that bear on North 
American botany are the following: 
Salices boreali-americanz, A Synopsis of the American Willows, 1858. 
Monographia Salicum hucusque cognit ’ 
Salicaceze in De Candolle’s Prodromus, 1868. 
Veit Brecher Wittrock was born at Holm, Dalsland, Swe- 
den, the 5th of May, 1839, received the degree of Ph. D. in 1866, 
was appointed docent at Upsala the same year, and professor in 
1878. The following year he became director of the Botanical 
Garden at Stockholm. He is a prominent algologist and a spe- 
cialist on green alge. The following publications refer more or 
less to American plants: 
Algologiska studier, 1867. 
On the Development and the Systematic Arrangement of the Pithophoraceae, 
a new order of Algz [all Trepical, some West Indian], 1877. 
odromus Oedogoniorum, 1874. 
Sextus Otto Lindberg was born at Stockholm the 29th of 
March, 1835, received his Ph. D. in 1865, and became professor 
and director of the Botanical Garden at Helsingfors, Finland, in 
1865. He died there the 20th of February, 1889. He was one of 
the most prominent bryologists of the world, and is the author of 
a new system of arrangement of the genera and species of mosses. 
Works that bear directly on the North American flora are the fol- 
lowing: 
= Bera critica iconum in opere Flora Danica muscos illustrantium, 1871. 
Europas och Nord-Amerikas hvitmossor, 1882. 
B. Greenland and Arctic America. 
In 1870 began a series of expeditions to Greenland and other 
parts of Arctic America; but before this time several collections 
been sent to Copenhagen by men who had made longer oF 
shorter stays in Greenland. The most important of these were 
made by 
Captain Norman, 
Dr. L. Schiddte, who was a physician at Ivigtut in 1867, 
and by 
