Class XIII. Order VI. 225 



RANUNCULUS CYMBALARIA. Ph. Sea Crowfoot. 



Stem sarmentose, leaves reniform-heart shaped, 

 smooth, crenate ; petals spatulate. 



Stem sarmentose, filiform, round, smooth, putting out roots 

 and shoots at the joints. Leaves radical, on long compressed 

 petioles, reniform, toothed or crenate, very smooth. Scape round, 

 two or three flowered, with spatulate, obtuse bractes. Calyx 

 leaves smooth, ovate, acute, yellowish, spreading, at length re- 

 flexed. Petals spatulate, bright yellow. Nectary a small pit 

 with its lower margin elevated. Fruit oblong. Seeds numerous, 

 unequally ovate and acute. Salt marshes, Chelsea, Cambridge. 

 Perennial. 

 RANUNCULUS ABORTIVUS. L. Small flowered Crowfoot. 



Radical leaves heart-shaped, crenate ; stem leaves 

 ternate, angular ; stem about three flowered. L. 



This species is easily distinguished by its small flowers, and 

 undivided, radical leaves. The leaves which grow from the 

 root are heart or kidney shaped, crenate, the largest ones some- 

 times Jobed. Stem leaves in threes or fives, at the base of each 

 peduncle, nearly sessile, the upper ones lanceolate. Stems erect, 

 smooth, few flowered. Flowers small, yellow. Calyx leaves ob- 

 tuse, concave, a little shorter than the petals. Petals yel- 

 low, lance-ovate ; nectaries tubular and emarginate, or fun- 

 nel shaped and obliquely truncate. Seeds in a globular head, 

 roundish, flat, tipt with the recurved style. Woods. May, June. 

 Perennial. 



KANUNCULUS SCELERATUS. L. Celery leaved Crowfoot. 



Lower leaves palmate ; uppermost in finger like di- 

 visions ; fruit oblong. 



A smooth, branching plant, with small flowers. Stem thick, 

 round, and hollow. Lower leaves divided deeply, but not so far 

 as the petiole, the segments toothed and lobed. Upper leaves 

 sessile, divided to the bottom. Flowers numerous, on petioles 

 of unequal length. Calyx pubescent, somewhat deflected. Pe- 

 tals small, concave, yellow. Seeds small, in a close, cylindrical 

 head. Grows in watery places. June, July. Perennial It is 

 very acrid, when fresh, and may be made to produce blisters. 

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