238 POLYANDRIA POLYGYNIA. QcL. XIII. 



inches long, sometimes entirely decumbent, slightly branched, leafy : 

 leaves alternate, the lower ones sometimes broad : petals gold-yellow : 

 nectaries minute. This plant is extremely acrid, and is used in the 

 Hebrides for raising blisters. Chopped small and infused in water, it is 

 also employed there as a purgative for calves. Dr. Withering recom- 

 mends the distilled water as an instantaneous emetic in cases of poison- 

 ing. In alpine situations it becomes creeping. Perennial : flowers from 

 June to September: grows in watery places: common. Eng. Bot. vol. vi. 

 pi. 387. Eng. Ft. vol. iii. p. 45. 



** Leaves divided. 



3. R. auricomus. Goldilocks. Wood Crowfoot. Root-leaves kidney- 

 shaped, crenate, three-cleft; stem-leaves fingered, with linear segments; 



stem many-flowered ; calyx coloured. Root fibrous : stem about a 



foot high, erect, branched : leaves more or less downy : flowers terminal, 

 solitary, gold-yellow : calyx hairy, pale yellow : nectary a naked pore. 

 Perennial : flowers in April and May : grows in woods and bushy places : 

 frequent. Eng. Bot. vol. ix. pi. 624. Eng. Fl. vol. iii. p. 47. 830. 



4. R. scelerdtus. Celery-leuved Crowfoot. Stem erect, hollow, much 

 branched ; leaves smooth, lower ones palmate, upper fingered ; fruit ob- 

 long ; seeds very numerous, minute. Root fibrous : stem from six 



inches to two feet high, smooth, round, hollow, leafy : lower leaves 

 stalked, upper sessile, uppermost undivided : flowers small, pale-yellow, 

 numerous: calyx hairy, reflected: nectary somewhat tubular. This 

 species is extremely acrid, and blisters the skin. It is said to be used by 

 strolling beggars to produce artificial sores. Annual: flowers from June 

 to September: grows in watery places: common. Eng. Bot. vol. x. 

 pi. 681. Eng. Fl. vol. iii. p. 48. 831. 



5. R. biilhosus. Bulbous Cmwfoot. Butter-cups. Calyx reflected ; 

 flower-stalks furrowed ; stem erect, many-flowered ; leaves compound ; 



root bulbous ; seeds smooth. Root a solid round bulb : stem about 



a foot high, hairy : lower leaves compound, their leaflets cut or lobed : 

 flowers terminal, solitary: calyx-leaves egg-shaped, hairy: petals gold- 

 yellow : nectary covered by a scale. Perennial: flowers in May: grows 

 in pastures and meadows : common. Eng. But. vol. viii. pi. 515. Eng. 

 Fl. vol. iii. p. 49. 832. 



6. R. hirsutus. Pale Hairy Crowfoot. Calyx reflected, pointed ; 

 stem erect, many-flowered, hairy; leaves ternate ; root fibrous; seeds 



tuberculated. Stem from three inches to a foot high : flower-stalks 



furrowed, hairy: calyx hairy, reflected: petals gold-yellow: nectary 

 covered by a scale. Annual : flowers from June to October: grows in 

 moist meadows and waste ground : not common. Eng. Bot. vol. xxi. pi. 

 1504. Eng. Fl. vol. iii. p. 50. 833. 



7. R. rtpeut. Creeping Crowfoot. Calyx spreading; flower-stalks 

 furrowed; runners creeping; leaves compound, erect, the uppermost 



entire. Stem erect or ascending, about a foot high, hairy : leaves 



twice ternate : flowers gold-yellow : nectary covered by a notched scale. 

 Perennial : flowers in the summer months : grows in rich soil, by walls 

 and in shady places : common. Eng. Bot. vol. viii. pi. 516. ". Ft. 

 vol. iii. p. 51. 834. 



8. R. ucris. Upright Meadow Crowfoot. Calyx spreading ; flower- 

 stalks round ; leaves tripartite, their segments three-cleft and cut, those 



