218 
The first herbarium visited and one of the most important for 
the special object in view was that of the Ree ra Dub- 
lin, where are found the algal iene arvey, 
author of the ‘‘ Nereis Boreali-Americana” ae two or three 
shorter papers on the American seaweeds. Professor Harvey’s 
Nereis, published 1852-58, was the first and remains the last 
attempt to describe the marine algae of North America asa 
whole, if a very few works of world-wide scope are left out of 
E 
i 
& 
Fic. 40. Trinity College, Dublin. The main entrance and the building in which 
the oat collections of Professor W. H. Harvey are preserved are shown on the 
ight, 
account. He was the first describer of a good number of Ameri- 
can species and a hundred or more of his American types are to 
be seen in the herbarium of Trinity College. 
In London and vicinity, more or less time was spent in three 
herbaria, that of the Natural History Department of the British 
useum on Cromwell Road, that of the Royal Botanic Gardens 
at Kew, and the Linnaean Herbarium at the rooms of the Lin- 
nean Society in Burlington House. In the rich collections of 
the British Museum, certain originals of J. E. Gray and of Dickie, 
