WATER MILFOIL FAMILY. 639 



CIRCAEA L. Sp. PI. 1:9. 1753. 



Seven species, boreal and cooler temperate regions, Europe, Asia. North America, 3. 

 Circaea lutetiana L. Sp. PI. 1 : 9. 1753. Enchanter's Nightshade. 



Ell. Sk. 1 : 7. Gray, Man. ed. 6, 193. Chap. Fl. 143. 



Europe, 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. 



PROSERPINAC A L. Sp. PI. 1 : 88. 1753. 



Two species, perennial aquatics, eastern North America. 

 Proserpinaca palustris L. Sp. PI. 1 : 88. 1753. Swamp Mermaid-weedI 



^ Ell. Sk. 1 : 181. Grav, Man. ed. 6, 181. Chap. Fl. 143. Coulter, Contr. Nat. Herb. 

 2:111. 



Cuba, Mexico, Guatemala. 



Alleghenian to Lonisianian 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. Encycl. 1 : 214, t. 50, f. 1. 1791. 



Comb Mermaid-weed. 



Proserpinaca palustris var. Michx. Fl. Bor. Am. 1 : 76. 1803. 



Ell. Sk. 1 : 182. Gray, Man. ed. 6, 182. Chap. Fl. 143. Coulter, Contr. Nat. Herb. 

 2:111. 



Carolinian and Lonisianian areas. Southern New England along the coast to 

 Florida, west to Texas. 



Alabama: Coast plain. Sandy pine barren swamjis. Baldwin and Mobile coun- 

 ties. Flowers May, June. Common. 



Type locality: "Ex Amerita septentrionale." 



Herb. Geol. Surv. Herb. Mohr. 



MYRIOPHYLLUM L. Sp. PI. 2 : 992. 1753. 



About 20 species, perennial aquatics, cosmopolitan. North America, 12. 

 Myriophyllum laxum Shuttlew. ; Chap. Fl. 143. 1860. Southern Water Milfoil. 



Lonisianian area. Florida. 



Alabama: Lower Pine belt. Coast plain. Deep ponds. Washington County, 

 YcUowpine. 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. 



Rough Water Milfoil. 



Fotamorjeton pinnatum Walt. Fl. Car. 90. 1788. 



MyriopliyUuin scabratum Michx. Fl. Bor. Am. 2 : 190. 1803. 



Ell. Sk. 2 :,588. Gray, Mau. ed. 6, 181. Chap. Fl. 144. 



Carolinian and Lonisianian 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 jiurple, July. Rare. 



Type locality: South JCarolina. 



Jiierb. _Mohx. 



