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Treating of Green Slime, Dark Green Scum, Common Pond Scum, 

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Beal's Grasses of North America. 



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Bessey's Botany. 



By Professor Ch.\rles E. Bessey of the University of Nebraska. 

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Crozier's Dictionary of Botanical Terms. 



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Hackel's True Grasses. 



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Kerner's Natural History of Plants. 



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MacDougal's Experimental Plant Physiology. 



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A manual of elf mentary experiments with living plants, not too difficult, 

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Price's Fern Collector's Handbook and Herbarium. 



By Miss Sauii-: F. Pkk k. With 72 plates. 410. 



Underwood's Our Native Ferns and their Allies. 



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Zimmermann's Botanical Microtechnique. 



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