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r^Q Litteraturbericht. — Eingegangene neue Litteratur. 



Beed, Howard S. : A survey of the Huron river valley. I. The ecology 



of a glacial lake. Gontrib. from the Botan. Labor, of the Univ. of 

 Michigan. LXIV. — Botan. Gazette XXXIV, 1902, p. 125—139, mit 

 4 Fig. 



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Provinx des sommergriinen Mississippi- und Alleghany- 



Waldes mit den Alleghanies. 



Kearney, Thomas H.: Report on a botanical survey of the Disnial Swamp 



region. — Contrib. from the U. S. nation, herbar. V (1901), p. 320 

 —585, mit Taf. LXV— LXXVII und Fig. 51—90 und 2 Karten. 



Shaw, Charles H. : The development of vegetation in the morainal depres- 

 sions of the vicinity of Woods Hole. — Botan. Gazette XXXIII, 1902, 

 p. 437—450, mit 6 Fig. 



Snow, Laetitia M. : Some notes on the ecology of the Delaware coast. 



Contrib. from the Hull Botan. Labor. XL. — Ebenda XXXIV, 1902, 

 p. 284—306, mit Karte und 10 Fig. 



Prairienprovinx. 



Bessey, Charles E. : Fifteenth annual report of the Botanist of the Nebraska 



state, board of agriculture. — Ann. Rep. of the Nebraska St., board 

 of Agric. 1900 (distrib. december 1901), p. 77—116. 



Hall, William L. : Forest extension in the middle West. — Yearbook of 



the U. S. depart, of Agricult. 1900 (Washington, 1901), p. 145—156, 

 mit 3 Taf. 



Shimek, C. E. : The Loess of Jowa City and vicinity. Jowa Pteridophyta 



(Con.). Addenda to the flora of Lyon county. — Bull, of the Laborat. 

 of nat. Hist. St. University of Jowa, V (1901), p. 195—216. 



Shimek, B.: The distribution of the forest trees in Jowa. — Proceed. 



of Jowa Acad, of sciences. VII, p. 47 — 59. 



11. Palaeotropisches Florenreich. 



B. Afrikanischcs Wald- und Steppengcbiet. 



Nordafrikanische Steppe^iprovinz. 



Engler, A.: Contribuzioni alia conoscenza della flora dell' Africa orientale. 



XXIII. Araceae, Moraceae, Hydnoraceae, Chenopodiaceae, Nyctagina- 

 ceae, Aizoaceae, Cruciferae, Moringaceae, Grassulaceae, Saxifragaceae, 

 Ilamamelidaceae, Geraniaceae, Oxalidaceae, Malpighiaceae, Callitricha- 

 ceae, Combretaceae, Primulaceae, Plumbaginaceae, Sapotaceae, Salva- 

 doraceae, Lentibulariaceae, Dipsacaceae in Ilarar, territorio Galla, et 

 in Somalia a DD. Robeccbi Bricchetti et doct. A. Hiva lectae, — Ann. 

 del R. Istit Botan. di Roma, p. 243—256. 



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