CROWFOOT FAMILY. 515 



ALABAMA: Mountain region. Madison County, Huntsville. Flowers in May. 

 Perennial. 



Type locality: " Grows in St. John's Berkley." 

 Herb. Geol. Surv. Herb. Mohr. 



Ranunculus fascicularis Muhl. Cat. 54. 1813. EARLY BUTTERCUP. 



Gray, Man. ed. 6, 43. Coulter, Contr. Nat. Herb. 2 : 9. Gray, Syn. Fl. N. A. 1, pt. 

 1:37. 



Alleghenian to Louisiauian area. Ontario and New England west to Minnesota, 

 south to Virginia, the Ohio Valley, Missouri, and Tennessee to Alabama, Louisiana, 

 Arkansas, and Texas. 



ALABAMA: Tennessee Valley. Rocky woods. Damp or dry calcareous soil. Jack- 

 son County, Scottsboro. Madison County, Montesano. April, May; not frequent. 

 Perennial." 



Type locality : " Pensylvania." 



Herb. Geol. Surv. Herb. Mohr. 



Ranunculus muricatus L. Sp. PL 1 : 555. 1753. PRICKLY-FRUITED BUTTERCUP. 



Ell. Sk. 2 : 64. Gray, Man. ed. 6, 44. Chap. Fl. 7. Gray, Syn. Fl. N. A. 1, pt. 1 : 38. 



EUROPE. 



Carolinian and Louisianian areas. From Virginia to California and southern 

 Oregon ; naturalized along the coast from Virginia to Florida and to Louisiana. 



ALABAMA : Coast plain. Ditches, suburbs of Mobile. April, May. Annual. 



Type locality : " Hab. in Europae australis fossis et huuientibus." 



Herb. Geol. Surv. Herb. Mohr. 



Ranunculus parviflorus L. Sp. PI. ed. 2, 1 : 780. 1763. 



Ranunculus trachyspermus Ell. Sk. 2 : 65. 1821-24. SMALL-FLOWERED CROWFOOT. 



SOUTH EUROPE. 



Carolinian and Louisianian areas. Naturalized from Maryland to Florida, west to 

 Arkansas. 



ALABAMA: Central Pine belt to Coast plain. Damp waste ground near dwellings. 

 Tuscaloosa, Montgomery, and Mobile counties. Flowers in April ; common. Annual. 



Type locality : " Hab. in Europa australi." 



Herb. Geol. Surv. Herb. Mohr. 



Ranunculus acris L. Sp. PI. 1 : 554. 1753. TALL BUTTERCUPS. 



Gray, Man. ed. 6, 44. 

 EUROPE. 



Alleghenian to Louisianian area. Most common in Canada and the Northern States. 

 ALABAMA: Adventive. Grass plots. Mobile. May; rare. Perennial. 

 Type locality : "Hab. in Europae pratis, pascuis." 

 Herb. Geol. Surv. 



BATRACHIUM S. F. Gray, Nat. Arr. Br. PL 2:720. 1821. 



About 20 species, aquatics ; temperate regions of the Northern Hemisphere. 



Batrachium divaricatum (Schrauk.) Wimm. Fl. Schles. 10. 1841. FROGWEED. 



Ranunculus dirarlcatm Schrauk. Baier. Fl. 2 : 104. 1789. 



B. circinatns Sibth. ; J. E. Smith, Fl. Brit. 2, 596. 1800. 



E. aquatilis var. divaricatus Gray, Man. ed. 2, 7. 1856. 



Gray, Man. ed. 6, 40. "Gray, Syn. Fl. N. A. 1, pt. 1 : 21. 



EUROPE, ASIA, NORTH AFRICA. 



Canadian zone to Louisianian area. Manitoba to British Columbia ; eastern United 

 States west to Nebraska, Colorado, Nevada, and Oregon, south to Alabama and 

 western Texas. 



ALABAMA: Coast plain. Gently-flowing water. Mobile County, estuary Mobile 

 River and Dog River. Flowers white. May to July; not frequent. Perennial. 



Type locality: " Stille Wasser allenthalben [Bavaria]." 



Herb. Mohr. 



THALICTRTJM L. Sp. PI. 1 : 545. 1753, MEADOW RUE. 



About 70 species, temperate regions Northern Hemisphere. Perennial herbs. 

 Thalictrum clavatum DC. Syst. 1 : 171. 1818. MOUNTAIN MEADOW RUE. 



Gray, Man. ed. 6, 39. Chap. Fl. 6. Gray, Syn. Fl. N. A. 1, pt. 1 : 15. 

 Carolinian area. Southern Alleghenies from West Virginia to Georgia. 



