110 The Ohio Journal of Science [Vol. XVII, No. 4, 



yellow, sepals reflexed. Head of fruit globose; achenes com- 

 pressed beaks very short. Fields and roadsides. From Europe. 

 Columbiana County. 



7. Ranunculus pennsylvanicus L. f. Bristly Crowfoot. A 

 branching leafy herb with erect densely hirsute stems, 1-2 ft. 

 tall. Leaves all divided, segments stalked, cuneate or lanceo- 

 late, sharply notched, hispid. Flowers inconspicuous. Head 

 of fruit short, cylindrical, achenes smooth. Wet open places. 

 Cuyahoga, Perry, Lucas, Fairfield, Licking, Ottawa, Lake, 

 Wayne. 



8. Ranunculus repens L. Creeping Buttercup. A low 

 herb, creeping by runners and forming large patches. Stems 

 pubescent. Leaves all petioled, 3-divided, divisions wedge- 

 shaped, cleft and lobed, usually stalked, often blotched. Flowers 

 conspicuous bright yellow. Head of fruit globose, achenes 

 margined and tipped by a short stout beak. Wet ground in 

 fields, or in roadsides. From Europe. Columbiana, Scioto. 



9. Ranunculus septentrionalis Poir. Swamp Buttercup. 

 Erect or ascending herbs, 1-3 ft. tall; later stems decumbent 

 .and may root at the nodes; almost or quite glabrous, rather 

 :stout. Leaves 3-divided, divisions stalked, 3-cleft, and cut, 

 cuneate. Flowers conspicuous, 1 in. broad, bright yellow; 

 petals obovate, much longer than the sepals. Head of fruit 

 globose or oval, achenes fiat, tipped by sword-shaped style. 

 Low moist or swampy ground. General. 



10. Ranunculus hispidus. Mx. Hispid Buttercup. Similar 

 to R. septentrionalis, but densely villous when young, less 

 hispid when old. Does not send out runners. Dry woods and 

 thickets. General. 



11. Ranunculus fascicularis Muhl. Tufted Buttercup. 

 Ascending or spreading, low plant growing in a tuft from a 

 cluster of fleshy roots. Stems pubescent. Lateral leaf-sections 

 sessile, terminal one stalked, giving the leaf a pinnate appear- 

 ance; ultimate divisions linear or slightly oblong. Flowers 

 conspicuous, bright yellow. Head of fruit globose, achenes 

 flat, margined and tipped with a long style. Woods and hill- 

 sides. Ottawa, Lucas, Cuyahoga. 



12. Ranunculus arvensis L. Corn Crowfoot. Erect, 

 branching herbs, 6 in. to 1 ft. tall. Stems glabrous or slightly 

 pubescent. Basal leaves broad petioled, 3-cleft, divided into 

 linear segments, lowest ones may be entire; stem leaves similar, 



