198 FLORA OF WINNESHIEK COUNTY. 
Fraxinus wigra Marsh. (F. sambucifolia Lam.) Black Ash. 
Quite common in upland woods. North fork of Bear creek, 
Hesper. 
Family 2. Gentianacee. 
Gentiana crinita Froel. Fringed Gentian. Locally common 
in shaded boggy places. Bluffton, Fremont Twp., Canoe creek. 
Gentiana quinquefolia occidentalis (A. Gray.) A. S. H. (G. 
quinqueflora var. occidentalis Gray.) Stiff Gentain; Western 
Ague-weed. Chiefly on dry, rocky slopes. North fork of Bear 
creek, Decorah, Kendallville. 
Gentiana puberula Michx. Prairie Gentian. On dry prairies. 
(Fitzpatrick.) 
Gentiana andrewsti Griseb. Closed Gentian. In moist woods. 
Not common. Hesper. : 
Gentiana flavida A. Gray. (G. alba Muhl.) Yellowish Gen- 
tian. Not common. In deep woods. Bluffton. 
Family 3. <Apocynacecee. 
Apocynum androsaemifolium L. Spreading Dogbane. In 
thickets, ete. Common. Calmar, Moneek. 
Acopynum cannabinum L. Indian Hemp. On prairies and 
in open places. Not rare. Calmar. 
Family 4. Asclepiadacee. 
Asclepias tuberosa L. Pleurisy-root. On dry prairies and rid- 
ges. Common. Ft. Atkinson. 
Asclepias incarnata L. Swamp Milkweed. Common in 
swamps and wet meadows. Decorah. 
Asclepias syriaca L. (A. cornutt Dec.) Common Milkweed. 
In open and waste places. Common. Calmar. 
Asclepias exaltata (L.) Muhl. (A. phytolaccoides Pursh.) 
Tall Milkweed. In thickets. (Fitzpatrick.) 
Asclepias verticillata L. Whorled Milkweed. Common on 
dry prairies, ete. Ft. Atkinson. 
Ipomoea pandurata (L.) Meyer. Wild Potato Vine. Dry 
soil. (Fitzpatrick.) 
