WATEE MILFOIL FAMILY. 639 



CIRC ABA L. Sp. PI. 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. 



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, Montesauo, 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-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. 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 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. PI. 2 : 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. Fl. Bor. Am. 2 : 190. 1803. 



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



