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. 
i ays Man. ed. 6, 43. Coulter, Contr. Nat. Herb.2:9. Gray, Syn. Fl. N. A.1, pt. 
Alleghenian to Louisianian 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. P].1:555. 1753. PRICKLY-FRUITED BUTTERCUP. 
Ell. Sk. 2:64. Gray, Man. ed.6,44. Chap. F1.7. Gray, Syn. Fl.N.A.1, pt.1:38. 
EuRore. 
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 humentibus.” 
Herb. Geol. Surv. Herb. Mohr. 
Ranunculus parviflorus L. Sp. Pl. 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. Flowersin April; common. Annual. 
Type locality: ‘‘ Hab. in Europa australi.” 
Herb. Geol. Surv. Herb. Mohr. — 
Ranunculus acris L. Sp. Pl.1:554. 1753. TALL BUTTERCUPS. . 
Gray, Man. ed. 6, 44. 
EUROPE. 
Allegbenian to Louisianian area. Most common in Canada and the Northern States. 
ALABAMA: Adventive. Grass plots. Mobile. May; rare. Perennial. 
Type locality: ‘‘Hab.in Kuropae pratis, pascuis.” 
Herb. Geol. Surv. 
BATRACHIUM S&S. F. Gray, Nat. Arr. Br. Pl. 2:720. 1821. 
About 20 species, aquatics; temperate regions of the Northern Hemisphere. 
Batrachium divaricatum (Schrank.) Wimm. FI]. Schles. 10. 1841. FROGWEED. 
Ranunculus divaricatus Schrank. Baier. Fl.2:104. 1789. 
R. circinatus Sibth.; J. E. Smith, Fl. Brit. 2,596. 1800. 
R. aquatilis var. divaricatus Gray, Man. ed. 2,7. 1856. 
Gray, Man. ed.6,40. Gray, Syn. FL.N. A.4, pt.1:21. 
Europe, Asta, 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-ilowing 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. 
THALICTRUM L. Sp. Pl.1:545. 1753. Mrapow Rvs. 
About 70 species, temperate regions Northern Hemisphere. Perennial herbs. 
Thalictrum clavatum DC. Syst.1:171. 1818. MouNnTAINnN MeapDow 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. 
