308 OHIO BTOLOGTCAL SURVEY 



Phylum, STROBILOPHYTA 



Class, COXIFERAE, Conifers. 

 Finales. 

 Pinaceae, Pine Family. 

 Tsiiga canadensis (L.) Carr. Hemlock. Common throughout the area, but occurs 



in pure stands only in tlie southern lialf. 

 Pinus rigida ]\Iill. Pitch Pine. On the edge of its range. 

 Pinus virginiana ^SUW. Scruli Pine. On the edge of its range. 



Juniperaceae, Juniper Family. 

 Juniperus virginiana Ij. Red Cedar. Common, but nowhere abundant. 



Taxales. 

 Taxaceae, \'ew Family. 

 Taxus canadensis Marsh. American Yew. Abundant in the Hemlock forest in the 

 southern portion of the area, but absent from the northern portion. 



Phylum, ANTHOPHYTA 



Class, MOXOCOTYLAE, Monocotyls. 

 Subclass, Helobiae. 

 AUsmales. 

 Alismaceae, Watev-i>]antain Family. 

 Sagittaria latifolia AVilJd. P^oad-leaf Arrowhead. Common in a few suitable 



habitats. 

 Alisma subcordatum Raf. (A. plantagn-nquatica L.). American Water-plantain. 



Scheucherizaceae, Arrow-grass Family. 

 Triglochin maritiina L. Fide Bigelow. 



Potomogetonaceae, Pond-weed Family. 

 Potomogeton la'.aii.s L. Coiumon Floating Pondweed. Swamps along the old canal. 



Nympheales. 

 Nympheaceae, Water-lily Family. 

 Brasenia schreberi Gmel. B. purpurea Mx. Casp.). Water-shield. Fide Bigelow. 

 Nymphaea advcna Ait. Spntterdock. 



Subclass, Spadiciflorae. 

 Pandanales. 

 Sparganiaceae, Burr-reed Family. 

 Sparganium eurycarpum Englm. Broad-fruited Burr-reed. No herbarium specimen, 



noticed at the mouth of the first hollow north of Crystal Springs. 

 Sparganium americanum Xutt. Fide Bigelow. 



Typhaceae, Cat-tail Family. 

 Typha latifolia T^. Common Cat-tail. Along the old canal. Xo herbarium specimen. 



