WATER MILFOIL FAMILY. 639 
CIRCAEA L. Sp. Pl. 1:9. 1753. 
Seven species, boreal and cooler temperate regions, Europe, Asia. North America, 3. 
Circaea lutetiana L. Sp. Pl.1:9. 1753. ENCHANTER’S NIGHTSHADE. 
Ell. Sk. 1:7. Gray, Man. ed. 6, 193. Chap. Fl. 143. 
JUROPE, NORTHERN AFRICA, NORTHERN ASIA TO CHINA, 
Canadian to Carolinian area. Nova Scotia, Quebec; New England west to Min- 
nesota and the Rocky Mountains, south to the Ohio Valley, Missouri, Arkansas, 
Tennessee, and Georgia. 
ALABAMA: Mountain region. Rich woods, Madison County, Montesano, 1,500 
feet. Cullman County, 800 feet. Winston County, 1,200 feet. Flowers white; May. 
Not infrequent. Perennial. 
Type locality: ‘Hab. in Europae et Americae borealis nemoribus,” 
Herb, Mohr. 
HALORAGIDACEAE. Water Milfoil Family. 
PROSERPINACA L. Sp. P1.1:88. 1753. 
Two species, perennial aquatics, eastern North America. 
Proserpinaca palustris L. Sp. P1.1:88. 1753. Swamp MERMAID-WEED. 
Ell. Sk.1:181. Gray, Man. ed,6,181. Chap. Fl. 143. Coulter, Contr. Nat. Herb. 
2:111. 
CuBA, MEXICO, GUATEMALA. 
Alleghenian to Louisianian area. New Brunswick; New England and New York 
west to Minnesota, south to the Ohio Valley, Missouri, Kansas, Arkansas, Florida, and 
Louisiana. 
ALABAMA: Central Prairie region to Coast plain. Ponds and ditches. Montgom- 
ery, Escambia, Washington, and Mobile counties. Flowers May to August. Common, 
particularly in the pine-barren ponds of the Coast plain. 
Type locality: ‘Hab. in Virginiae paludibus.” 
Herb. Geol. Surv. Herb, Mohr. 
Proserpinaca pectinata Lam. Tabl. Encyel.1:214, t. 40, f. 2. 1791. 
COMB MERMAID-WEED, 
Proserpinaca palustris var. Michx. Fl. Bor. Am, 1:76. 1803. 
FIL Sk.1:182. Gray, Man. ed. 6, 182. Chap. F1.143. Coulter, Contr. Nat. Herb. 
2:111. 
Carolinian and Louisianian areas. Southern New England along the coast to 
Florida, west to Texas. 
ALABAMA: Coast plain. Sandy pine barren swamps. Baldwin and Mobile coun- 
ties. Flowers May, June. Common. . 
Type locality: ‘Ex America septentrionale.” 
Herb. Geol. Surv. Herb. Mohr. 
MYRIOPHYLLUM L. Sp. P12: 992, 1753, 
About 20 species, perennial aquatics, cosmopolitan. North America, 12, 
Myriophyllum laxum Shuttlew.; Chap. Fl. 143, 1860, SOUTHERN WATER MILFOIL. 
Louisianian area. Florida. 
ALABAMA: Lower Pine belt. Coast plain. Deep ponds, Washington County, 
Yellowpine. Baldwin County, Sibleys Mill, Flowers pale purple; August, Sep- 
tember. Rare. 
Type locality: “Ponds and lakes, middle and west Florida.” 
Herb. Geol. Surv. Herb. Mohr. 
Myriophyllum pinnatum (Walt.) B.S. P. Prel. Cat. N. Y. 16. 1888. 
RouGH WATER MILFOIL. 
Potamogeton pinnatum Walt. Fl, Car. 90, 1788. 
Myriophyllum scabratum Michx. F1. Bor. Am, 2: 190, 1803. 
Ell. Sk. 2:588. Gray, Man. ed. 6,181. Chap. FI. 144. 
Carolinian and Louisianian areas. New Jersey, Illinois, Missouri, and Arkansas. 
ALABAMA: Mountain region. Coast plain. In deep gently flowing or almost 
‘stagnant water, Madison County, Huntsville, Big Springs (Baker § Earle, 163). 
Mobile County, estuary of Dog River. Flowers purple, July. Rare. 
Type locality: South Carolina. 
Herb. Mohr. 
. 
