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Here are tertiary and diluvial sands, with remnants of the old sand-steppe flora. He suggested that I do not attempt to photograph at Momback, as this is a military drill ground. He also suggested that I get [[insertion]] y [[/insertion]] Jennecke's paper on the "Sand-flora von Mainz". He also suggested Sion, Switzerland, as a good place.
He offers to send a German herbarium for sets of prairie plants. He also wants my prairie papers. He also wants notes on work in the Lakeside Laboratory.
The work in the department of Botany is here mostly morphological and taxonomic. The physiological

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work is done in a separate Institute by Dr. Haberlandt.
Dr. Diels wants southwestern desert material, acorns of oaks.
He also suggests that I publish a description (comparative) of the prairie, the sand - and salt - pustas of Hungary, and the steppe remnants at Prague. 
He also suggests that I send pamphlets, laws etc., concerning conservation, to 
Dr. Conwertz [[insertion]] (?) (Conwcatz) [[/insertion]]
Berlin W.
Grunewald Nr. 6/7
Dr. Diels then showed me about
The building. The herbarium is very large, and occupies four stories of the building! It is wholly systematic. One story is devoted to cryptogams