8000 gg 



Porter, Thomas Conrad. Flora of 

 Pennsylvania ed. with the addition of 

 analytical keys by John Kiinkel Small. 

 . . . Boston (Ginn & Co.), 1903, 

 (xv + 362, with map). 24 cm. 



Wirt, George H. Propagation of 

 forest trees having commercial value and 

 adapted to Pennsylvania. Statement of 

 work done by the Pennsylvania depart- 

 ment of forestry during 1901 and 

 1902 . . . [Harrisburg, Pa.] 1902, 

 (68-86, with pi.). 



New Jersey. 



Berry, Edward W. New species of 

 plants from the Matawan formation 

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 Boston, Mass., 37, 1903, (677-684, incl. 

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The flora of the Matawan 



formation (Crosswioks clays). New 

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Harshljerger, John W[iUiam]. Addi- 

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Robinson, B[eniamin] L[incoln]. A 

 hitherto undescribed pipewort [Erio- 

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Saunders, C. F. [Osmunda einnamo- 

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Ohio. 



KeUenuan, W[illiam] A[shbrook]. 

 Three forms of prickly lettuce in Ohio. 

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Annual report on the state 



herbarium and plants new to the state 

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 11, (1902), 1903, (30-35). 



Moseley, E. ly. Additions and correc- 

 tions to the Sandusky flora. (Abstract). 

 Columbus, Rep. Ohio Acad. Sci., 11, 

 (1902), 1903, (27). 



Michigan. 



Daniels, Francis. The Kent county, 

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860 Pennsylvania. 



New York, N.Y., (N. Ser.), 18, 1903, 

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Livingston, Burton Edward. The 

 distribution of the Upland plant societies 

 of Kent county, Michigan. [Chicago, 

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 35, 1903, (38-55, with map). 



The distribution of the 



plant societies of Kent county, Michigan. 

 Michigan, Rep. Geol. Surv., Lansing, 

 1901, 1902, ([79J-103, with maps). 



Michigan plant societies 



again. Science, New York, N.Y., (N. 

 Ser.), 18, 1903, (435-436). 



McLoutli, C. D. Some general 

 remarks on the topography, soils, water 

 sources, flora, etc., of Muskegon county, 

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WisooNsni. 



Davis, J. J. Third supplementary 

 list of parasitic fungi of Wisconsin. 

 Madison Trans. Wis. Acad. Sci., 14, 

 (1902), 1903,(83-106). 



Sthuette, J. H. The Hawthorns 

 [Crataegus] of north-eastern Wisconsin. 

 Wasliington, D.C., Proc. Biol. Soc., 16, 

 1903, (91-98). Separate. 23.3 cm. 



Illinois. 



Gleason, H. A. Notes on some 

 southern Illinois plants. New York, 

 N.Y., Torreya, Torrey Bot. CL, 3, 1903, 

 (1-3). 



A second Illinois station 



for Phacelia Covillei Watson. New 

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 3, 1903 (89-90). 



Eofoid, C[harles] A[twood]. Plankton 

 studies. 4. The plankton of the Ulinois 

 river, 1894^-1899, with introductory 

 notes upon the hydrography of the 

 Illinois river and its basin. Part 1. 

 Quantitative investigation and general 

 results [with bibliography]. Urbana, 

 BuU. ni. Lab. Nat. Hist., 6, 1903, ( [95]- 

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Sargent, C[harles] S[prague]. 



Crataegus in north-eastern Illinois. 

 Chicago, 111., Bot. Gaz. Univ. Chic, 35, 

 1903, (377-404). 



