51a. Leaflets 5 =Five-finger, Potentilla canadensis.= 51b. Leaflets 7-25 =Silver Weed, Potentilla anserina.= 52a. Principal leaflets more than 3 times (about 3-1/2) as long as wide =Agrimony, Agrimonia parviflora.= 52b. Principal leaflets less than 3 times (about 2-1/2) as long as wide --53. 53a. Leaves nearly glabrous beneath, or with scattered spreading hairs =Agrimony, Agrimonia gryposepala.= 53b. Leaves softly pubescent beneath --54. 54a. Leaves distinctly glandular beneath =Agrimony, Agrimonia striata.= 54b. Leaves not glandular beneath =Agrimony, Agrimonia mollis.= 55a. Principal leaves palmately compound with 5-7 leaflets (Cinquefoil) --56. 55b. Principal stem-leaves with 3 leaflets, or pinnately compound with several leaflets --58. 56a. Leaves silvery-white beneath, laciniately toothed (1-4 dm. high; late spring and summer) =Silvery Cinquefoil, Potentilla argentea.= 56b. Leaves not silvery-white beneath (3-10 dm. high; summer) --57. 57a. Terminal leaflet more than 3 times as long as wide =Cinquefoil, Potentilla recta.= 57b. Terminal leaflet less than 3 times as long as wide =Cinquefoil, Potentilla intermedia= 58a. Flowers about 4 mm. wide (2-6 dm. high; spring) =Spring Avens, Geum vernum.= 58b. Flowers 6 mm. wide, or wider --59. 59a. Principal leaves with lobed leaflets, of which the terminal is the largest; leaf-axis bearing also some small leaflets between those of usual size (4-12 dm. high; late spring and summer) (Avens) --60. 59b. Principal leaves with toothed or pinnately cleft leaflets, the lateral ones about equaling the terminal one in size, and without any small scattered leaflets (3-8 dm. tall; summer) (Cinquefoil) --61. 60a. Terminal leaflet cordate at base =Avens, Geum macrophyllum.= 60b. Terminal leaflet wedge-shape or acute at base =Avens, Geum strictum.= 61a. Leaflets 3 =Cinquefoil, Potentilla monspeliensis.= 61b. Leaflets 5-15 --62. 62a. Leaflets crenate =Cinquefoil, Potentilla paradoxa.= 62b. Leaflets deeply incised =Cinquefoil, Potentilla pennsylvanica.= 63a. Leaves all basal, the flowers on leafless stalks --64. 63b. Stem-leaves present --66. 64a. Leaves simple (1-2 dm. high; summer) =Dalibarda, Dalibarda repens.= 64b. Leaves trifoliate (1-2 dm. high; spring) (Strawberry) --65.