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. I'l. N. A.1, pt. 
1:37. 
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.Pl1:555. 17538. PRICKLY-FRUITED BUTTERCUP, 
EM. Sk.2:64. Gray, Man.ed.6,44. Chap. F1.7. Gray, Syn. FI. 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 Kuropae australis fossis et humentibus.” 
Herb. Geol. Surv. Herb. Mohr. 
Ranunculus parviflorus L.Sp. Pl.ed.2,1: 780. 1765. 
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. /lowersin April; common, Annual. 
Type locality: ‘‘ Hab. in Europa australi.” 
Herb. Geol. Surv. Herb. Mohr. 
Ranunculus acris L. Sp. P].1:554. 1753. TALL BUTTERCUPS, 
Gray, Man. ed. 6, 44. 
EUROPE, ® 
Allecghenian 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 6&. F. Gray, Nat. Arr. Br. Pl. 2:720, 1821. 
About 20 species, nquatics; temperate regions of the Northern Hemisphere. 
Batrachium divaricatum (Schrank.) Wimm. Fl]. Schles. 10. 1841. FROGWEED, 
Ranunculus diraricatus Schrank. Baier. Fl. 2: 104. 1789. 
RK. circinatus Sibth.; J. EK. Smith, VL. Brit. 2,596. 1800. 
RK. aquatilis var. divaricatus Gray, Man, ed. 2,7, 1856, 
Gray, Man, ed. 6,40. Gray, Syn. FL. N. A. 1, 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-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. 
THALICTRUM L. Sp. P11:545. 17538. Mrapow RvuE. 
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. F1.6. Gray, Syn. Fl. N. A. 1, pt. 1:15. 
Carolinian area. Southern Alleghenies from West Virginia to Georgia. 
