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160 pp. 18 pis. Paris, 1843. JEc-H 842 

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254 pp. Philadelphia, 1893. JH-H 843 



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Practical botany for elementary students. 

 128 pp. London, 1880. BE-H 843 



Houttuyn, M. 



Handleiding tot de plant-en kruidkunde benevens eene uitvoe- 

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Hovelacque, Maurice. 



Recherches sur I'appareil vegetatif des Bignoniacees, Rhinan- 

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 765 pp. Paris, 1888. EI-H 845 



Recherches sur le Lepidodendron selaginoides, Sternb. 

 165 pp. 7 pis. Caen, 1892.* 



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Howard. W. L. 



Untersuchung iiber die winterruheperiode der pflanzen. Diss. 

 Ill pp. Halle a. S., 1906.* 



Howe, Marshall Avery. 



The marine algae of Peru. 



185 pp. 66 pis. New York, 1914. 



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Howe, R. Heber, Jr. 



A monograph of the Usnaceae of the United States and Canada. 

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Classification de la famille des Usnaceae dans I'Amerique du Nord. 

 31 pp. 10 pis. Paris, 1912.* 



Howe, R. H. & M. A. 



Common and conspicuous lichens of New England. 



Parts 1-5, .87 pp. Boston, 1906-1908. HHr-H 855 



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Dendrologia. Dodona's grove or the vocall forest. 

 219 pp. 3 pis. London, 1640. JH-H 859 



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The moss flora of Fife and Kinross. 



116 pp. Cupar, [1889]. HCl-H 861 



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Muscologia Nottinghamiensis. 



Specimens with descr. letterpress. Nottingham, 1833. 



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