65a. Leaflets thick and firm, the petioles and pedicels pubescent with spreading or ascending hairs; fruit subglobose, the achenes embedded in pits on its surface =Strawberry, Fragaria virginiana.= 65b. Leaflets thin, the petioles and pedicels nearly glabrous or with appressed hairs; fruit conic, the achenes on its surface =Wood Strawberry, Fragaria americana.= 66a. Leaves pinnate with numerous leaflets --67. 66b. Stem-leaves with 3-5 leaflets --72. 67a. Leaflets laciniate or deeply lobed (flowers pink or purple, early summer) --68. 67b. Leaflets merely toothed --69. 68a. Stem-leaves few, small and opposite (2-4 dm. tall) =Purple Avens, Geum triflorum.= 68b. Stem-leaves large and alternate (5-20 dm. tall) =Queen of the Prairie, Filipendula rubra.= 69a. Individual flowers small, not exceeding 6 mm. across, in large clusters or spikes --70. 69b. Individual flowers more than 10 mm. wide, in few-flowered clusters (Cinquefoil) --71. 70a. Flowers in dense spikes (5-15 dm. high; late summer) =Burnet, Sanguisorba canadensis.= 70b. Flowers in panicles =Sorbaria, Sorbaria sorbifolia.= 71a. Flowers red or purple (3-6 dm. high; summer) =Marsh Cinquefoil, Potentilla palustris.= 71b. Flowers white (5-10 dm. high; early summer) =Cinquefoil, Potentilla arguta.= 72a. Pistils 5 (5-10 dm. high; flowers white or pink, early summer) --73. 72b. Pistils 10, in a ring (flowers pink or purple) --68b. 72c. Pistils numerous, in a head or close group --74. 73a. Stipules linear or subulate, 5-8 mm. long =Bowman's Root, Gillenia trifoliata.= 73b. Stipules leaf-like, 10-25 mm. long, serrate =American Ipecac, Gillenia stipulata.= 74a. Flowers red or purple --75. 74b. Flowers white --76. 75a. Leaflets sharply and irregularly toothed or lobed; petals erect, narrowed at the base (3-9 dm. high; early summer) =Purple Avens, Geum rivale.= 75b. Leaflets finely and regularly toothed, oblong; petals spreading --71a. 76a. Leaflets entire below, 3-toothed at the apex (1-3 dm. high; summer) =Cinquefoil, Potentilla tridentata.= 76b. Leaflets toothed all around the margin --77. 77a. Leaves all trifoliate (2-5 dm. high; late spring) --17b. 77b. Some of the upper leaves merely lobed or dentate (5-8 dm. high) (Avens) --78. 78a. Stem bristly-hairy (early summer) =Avens, Geum virginianum.= 78b. Stem softly and finely pubescent (summer) =Avens, Geum canadense.=