330 OHIO BIOLOGICAL SUKYEV 



Fraxinus lanceolata Borck. Green Ash. 

 Fraxinns americana L. White Ash. 



Gentianaceae, Geutian Family. 



Sabbatia angularis (L.) Pursh. Square Stemmed Sabbattia. 



Gentiana crinita Froel. Fringed Gentian. Fide Bigelow. 



Oentiana quinqiiefolia L. Stiff Gentian. Fide Bigelow. 



Gentiana saponaria L. ( Dasystephana ) Soapwort Gentian. Fide Bigelow. 



Gentiana andrewsii Griseb. Closed Gentian. 



Frasera carolinensis "Walt. American Columbo. Fide Bigelow. 



Oblaria virginica L. Pennywort. 



Apocynaceae, Dogbane Family. 



Apocynum audrosaemifolinm L. Sjireading Dogbane. 

 Apoeynmn cannabinum L. Indian Hemp. 



Asclepiadaceae, Milkweed Family. 

 Asclepias tuberosa L. Buterfly weed. Occasional. No specimen. 

 Asclepias piirpurascens L. Purple Milkweed. Fide Bigelow. 

 Asclepias incarnata L. Swamp Milkweed. 



Asclepias sullivantii Engelm. Eare. Known otherwise only from Erie Co. 

 Asclepias amj)lexicaulis Sm. Blunt leaved Milkweed. Rare. Collected on the ridge 



west of Clark's Crossing. Known otherwise only from Erie County. 

 Asclepias exaltata (L.) Muhl. (A. phytolaccoides) Tall Milkweed. 

 Asclepias variegata L. White Milkweed. Collected once on Big Pine Creek by 



B. W. Wells and the writer. Known otherwise in Ohio only from Summit Co. 



Also reported by Bigelow for Fairfield Co. 

 Asclepias qiiadrifolia L. Four-leafed Milkweed. 

 Asclepias syriaca L. Common Milkweed. 

 Asclepias verticillata Tj. Wliorled Milkweed. Kettle Hills, W. A. Kellerman. Rare. 



Scropltnhiriales. 

 Sclanaceae, Potato Family. 



Datura stramoniumium L. Jimson-weed. No specimen. 



Physalis pubescens L. Low hairy Ground-cherry. No specimen. 



Physalis lanceolata Mx. 



Physalis virginiana Mill. Fide Bigelow. 



Physalis heteroj^hylla Nees. 



Ly('0]>ersicon lysopersicon (L.) Karst. (L. esculentum) Tomato. 



Solanum tuberosum L. Potato. 



Solanum nigrum L. Black Nightshade. 



Solanum caroliniense L. Horse nettle. Bigelow cites this now troublesome weed as 



collected exclusively liy A. Hor of Baltimore, Ohio. Apparently it had just 



appeared in 1S41. No sjiecimen. 



Scrophulariaceae, Figwovt Family. 

 Verbascum thapsus L. Common ]\Iullein. 

 Verbascum hhittaria L. ]Moth ^Mullein. 



