3 
R. aurtcomus. Wood Crowfoot. Goldilocks. Fig, 21. 
Leaves 3-parted, with deeply-cut lobes. Stem erect, slender, aay 
flowered. Petals with a pore at the base. Dry woods. 1 ft. Perenn. 
April-June. Yellow. (4) 2. B. 1. 624. EF. B. 2 
10. Bab. 10. Lind. 10. 2.788. H. § Arn. 
R. sceLeratus. Celery-leaved Crowfoot. Fig. 22. 
Lower leaves palmate, with 3 slightly lobed segments, shining ; stem 
ones fingered in 3 lobes. Fruit forming a cylindrical head. Watery 
places; common, Acrid. 1 to 2 ft. Ann. June-Sept. (4) E. B. 
1.681. #, B. 2.787. HH. §& Arn. 10. Bab. 8. Lind. 11 
R. acris. Buttercup. Fig, 23. 
Stem erect, hairy, round. Calyx spreading. Petals with a small 
seale at the base. Very common in meadows and pastures. Acrid. 1 ft. 
Perenn. June. Yellow. (¢) £,.B. 1, 652. E,B.2. 789. H.& 
Arn. 10. Bab. 10. Lind, 11. 
R. rerens. Creeping Buttereup. Fig. 24, 
Shoots creeping. Flower-stalks furrowed. Calyx spreading. Pas- 
tures; common. 10-12 in. Perenn. June-Sept. Yellow. (4) 
#.B.1.516. #. B. 2.790. H. & Arm. 10. Bab. 10. Lind. 11. 
R. sutsosus. Bulbous Buttercup. Fig. 25. 
Root bulbous. Flower-stalks furrowed, hairy. Calyx reflexed. Pas- 
turés; common. 1 ft, Perenn. May. Yellow. (3) #. B. 1. 515. 
#. B. 2.791. H.& Arn. 10. Bab. 10. Lind. 11. 
R. nirsutus. Hairy Buttereup. Fig. 26. 
Root fibrous. Calyx reflexed. Plant hairy. Fruit tuberculated. 
Moist meadows. 4 to 18 in. Ann. June-Oct. (4) #&. B. 1. 1504. 
HE. B. 2.792. H. & Arn. 11. Bab. 10. Lind, 11. 
R. arvensis. Corn Crowfoot. Fig. 27. 
Leaves with narrow lanceolate segments. Stem much branched. 
Fruit prickly. Corn-fields. Acrid, 1 ft. Ann. June. (4) £. B. 
1,135. #. B. 2.793. H. § Arn. 11, Bab. 11. Innd. 11. 
R. parvirtorus. Small-fowered Crowfoot. Fig. 28. 
Stem prostrate. Leaves roundish, 3-lobed. Hairy. Calyx as long. 
as the petals. Corn-fields. Ann. June—Sept. Yellow. (G) #. B. 
1.120. 2. B.2. 794. H. & Arn. 11. Bab. 11. Land, 11. 
Genus 7. CALTHA. 
a is. Marsh Marigold. Fig. 29, 
| Lower leaves aie rounded heart-shaped, deep glossy 
green. Marshes and river-sides. Acrid. 1-14 ft. Reva ee 
Bright yellow. (3) £. B. 1.506. £. B. 2. 798. H. § Arn. 11. Bad. lt. 
Tind. 12. 
: sans. Creeping Marsh Marigold. Fig. 30. 
tied ceaaine, Lee triangular. Scotch Mountains. ea 
a variety of the preceding species. 6 in. Perenn. Bee ee i xe 
Yellow. (4) &. B.1.2175. #. B. 2. 799. H. & Arn. 11. re 
Lind, 12. Bn 2 
2 
