184 LIFE OF THE PLEISTOCENE 



VII. Systematic Catalog of the Biota at Present Knowvy from the 

 Postglacial Deposits Considered in this Work 223 



PLANTS 



BRYOPHYTA 



Hypnaceae 

 Drepanocladus fluitans (L.) Warnst. 

 Plagiothecum denlicidatum roseanum (Hampe) B. & S. 



Characeae 

 Char a species 



DIVISION I. PTERIDOPHYTA 

 Family Equisetaceae 

 Equisetum sylvaticum L. 



" fluviatile L. {—limosum L.) 

 scirpoides Michx. 



Family Lycopodiaceae 

 Ly go podium selago L. 



DIVISION II. SPERMATOPHYTA 



GYMNOSPERMAE 



Family Pinaceae 

 Pinus rigida Mill. 



" taeda L. 

 Picea mariana (Mill.) BSP. { = Picea nigra Link) 



" canadensis (Mill.) BSP. 

 Larix laricina (DuRoi) Koch. ( = Larix amerkana Michx.) 

 Abies balsamea (L.) Mill. 

 Taxod'mm distichum (L.) Richard 

 Thuja occidenlalis L. 

 Juniperus virginiana L. (?) 



ANGIOSPERMAE 



Family Typhaceae 

 Typha latifolia L. 



Family Najadaceae 

 Potamogeton nalans L. 



perfolialus L. 

 pusillus L. 

 rutilus Wolfgang 

 pectinatus L. 

 Najas sp. 



Family Hydrocharitaceae 

 Elodea canadensis Michx. 

 Vallisneria spiralis L. 



523 Extinct species are preceded by an *. 



