Obituary Notices. 3 1 



Ghent, Brussels, Hamburg, Vienna, Trieste, and Florence. 

 He was ever ready to undertake all the trouble which 

 these various missions involved. From his acknowledged 

 ability he was in innumerable cases called upon to act as 

 umpire, and in this capacity he always excelled by strict 

 conscientiousness, and the quickest discernment sharpened 

 by much experience. Besides the numerous papers above 

 referred to, many more came from his prolific pen, as, for 

 example, " A Monograph on the genus Msculus" " Notice 

 on the genus P/a7«f/e?p/i?«5," " A Monograph on Agaves," 

 all in 1862, and " A Study of the Agaves" in 1866 ; " On 

 the Classification of the Species of Crocus," " The New 

 Holland Gum-trees — Eucalypti," " The Oranges — Citri." 



The Bromeliacece and Aracece, so far at least as their 

 cultivated genera were concerned, specially engaged his 

 attention ; thus in 1862 he wrote his " Study of the Brome- 

 liacece," in the "Belgian Horticulturist," while the Arads were 

 treated in a paper entitled " A few words on Anthurium, 

 Philoclendrum, and 3Ionstera," and in another styled "A 

 Notice on the Caladium, and Description of a new Species 

 Caladium pusillium." 



In 1869 the first part of his " Dendrologie " appeared, 

 which was a treatise " On Trees, Shrubs, and Under-Shrubs 

 which are cultivated iu the open air in the Centre and 

 North of Europe," which sustained his high reputation, and 

 contains much useful information in his attempt to trace 

 our cultivated fruit trees to their original sources. 



In 1874-5 Koch gave popular lectures on horticulture to 

 the upper classes of the German capital. His extensive 

 acquaintance with his subject gained from thorough per- 

 sonal observation, his genial nature, and real eloquence 

 captivated his audience, and for the time brought this 

 branch of science into the ascendant. But the subjects 

 chosen had also doubtless no small share in brintrino- 

 about this happy result, for in the first division 

 of his lectures we find the following heading — " The 

 Histor}^ of Gardens, including those of the Egyptians, the 

 Semitic Races, the Persians, the Chinese and Japanese, 

 the Greeks and Romans, Italians, French, Dutch, and 

 English. The second division related to the life and 

 growth of trees, and their relations to man and climate, 



