. Transactions of the American Philosophical Society. *^^^^:-Xi) - 5 t*-) , ? ti ? c:-t^ ^-^.^r ?<;V#?^ ©It. ARTICLE Y. THE SAPROLEGNIACE^ OF THE UNITED STATES, WITH NOTES ON OTHER SPECIES. BY JAMES ELLIS HUMPHREY, Read before the American Philosophical Society, November 18, 1892. In spite of the attention which most families of Thallophytes have received inthe United States during recent years, the aquatic fungi have been hardly their resemblances to the AlgsB on one hand, and to the Fungi on the other,give to their study peculiar interest, it is perhaps to this twof
. Transactions of the American Philosophical Society. *^^^^:-Xi) - 5 t*-) , ? ti ? c:-t^ ^-^.^r ?<;V#?^ ©It. ARTICLE Y. THE SAPROLEGNIACE^ OF THE UNITED STATES, WITH NOTES ON OTHER SPECIES. BY JAMES ELLIS HUMPHREY, Read before the American Philosophical Society, November 18, 1892. In spite of the attention which most families of Thallophytes have received inthe United States during recent years, the aquatic fungi have been hardly their resemblances to the AlgsB on one hand, and to the Fungi on the other,give to their study peculiar interest, it is perhaps to this twofold aflGinity that theneglect is due. Their habitat is not such as is explored by the student of fungi, andthe phycologist passes them by as not of his group. The following pages contain the results of studies of American Saprolegniacece,carried on during the past two years in the intervals of other botanical work. Thematerials on which they are based have been largely procured by myself in andabout Amherst, Mass.; but I have to thank the kindness of friends and correspondentsin other parts of the country
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