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After the death of his parents Yr . Chamberlain made his summer home 
with his cousin, Mr. Henry II. Chamberlain, at Round Pond (Bristol), Maine. 
Here he lived a most lively existence, lending an active hand, about the 
farm work, and building up his health and strength for the winter months 
in the city. He was most systematic in planning his life from day to 
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day, and most conscientious in attention to details. 
In 1896 he became one of the original members of the Josselyn Botanical 
Society of Maine, and for many years he was .an officer and an attendant 
at its meetings. To have known "Ed"' on a field excursion was to have known 
him at his very best. Enthusiastic arid a.keen observer, he plunged into 
collecting with all the zest in the world, but he also seemed to feel a 
responsibility for the others in the party, and constantly went out of his 
way to assure himself that they were enjoying the trip, and getting their 
full share of its pleasures. He was also most helpful with beginners, 
showing them what they needed to laiow, and helping them along with word and 
letter. 
Mr. Chamberlain became a non-resident member of the Hew England Botanical 
Club in 1898. He wg.s a member of the Vermont Botanical Club, and of the 
Torrey Botanical Club, serving recently as a member of its Field Excursion 
Committee. '.Theh he lived in 'Washington he became a member of the Washington 
Biologists' Field Club and of the Biological Society and Botanical Society 
there. He belonged also to other such societies, for his interest in 
science was broad. He was a wide reader along general scientific lines. 
His herbarium of vascular plants was based mainly on the floras of 
Lincoln and Cumberland counties in Maine, with some from northern Rhode 
t 
Island. His interest in this branch of botany gradually gave way to an 
intense interest in the mosses, so that in 1921 he gave his herbarium of 
