196 FLORA OF WINNESHIEK COUNTY. 
Pana quinquefolium L. (Aralia quinquefolia D. & P.) Gin- 
seng. Becoming rare. In deep rich woods. Hesper, Decorah. 
Family 2. Umbellitere. 
Sanicula marylandica L. Sanicle. Common in rich woods. 
Decorah (Savage), Calmar, Hesper. 
Eryngium aquaticum L. (E. yuccaefoltum Michx.) Button 
Snake-root. Not rare, on dry prairies, but also occurring in 
moist grounds. Calmar. 
Washingtonia claytoni (Michx.) Britt. (Osmorrhiza brevi- 
stylis DC.) Woolly Sweet Cicely. Common in deep woods. 
Hesper, Decorah. 
Conium maculatum L. Poison Hemlock. In waste places. 
Introduced. Decorah (Goddard). 
Zizia aurea (L.) Koch. Golden Meadow Parsnip. In rather 
moist open places. Decorah (Savage), Calmar. 
Cicuta maculata L. Water Hemlock. Not rare, in swamps. 
Calmar; Decorah (Goddard). 7 
Deringa canadensis (L.) Kuntze. (Cryptotaenia canaden- 
sis DC.) Honewort. Very common in woods. Hesper, Decorah, 
ete. 
Taenidia integerrima (L.). Drude. (Pimpinella integerrima 
B. & H.) Yellow Pimpernel. Common on rocky slopes. Decorah 
(Savage), ete. 
Sium cicutaefolium Gmel. Water-parsnip. Common in 
swamps.. Ft. Atkinson, Hesper. 
Pastinaca sativa L. Wild Parsnip. A common weed in waste 
places. Introduced. Calmar, Decorah. 
Heracleum lanatum Michx. Cow-parsnip. In rather moist: 
soil. Not rare. Decorah (Goddard). 
Family 3. Cornacee. 
Cornus circinata L’Her. Round-leaved Dogwood. Common 
on shaded rocky slopes. Decorah, Bluffton, Highlandville. 
Cornus stolonifera Michx. Red-osier Dogwood. Common, in 
wet places. Decorah, Bluffton, Canoe creek, Hesper. 
Cornus candidissima Marsh. (C. paniculata L’Her.) Pan- 
icled Dogwood. Common on shaded banks, ete. Ft. Atkinson, 
Decorah, Hesper. 
