Ranunculus.] RANUNCULACEJE.^ 7 



variable in the length of its stems and form of its leaves, according to 

 the depth and stillness of the water. 



2. R. hederaceus, Linn. Ivy leaved Crowfoot. Stem creep- 

 ing ; leaves roundish kidney-shaped with 3 5 rounded entire 

 lobes ; petals small, scarcely longer than the calyx ; stamens 

 510 ; pericarps glabrous. Br. FL 1. p. 265. E. Fl. v. iii. p. 54. 

 E. Bot. t. 2003. 



Wet places, shallow pools, and where water has stood throughout 

 the summer. FL May Aug. 1. 



* * Pericarps not transversely wrinkled. Nectary with a small 

 scale. Fl. yellow. 



f Leaves undivided. 



3. R. Lingua, Linn. Great Spear-wort. Leaves lanceolate, 

 subserrated, sessile, semiamplexicaul ; stem erect, glabrous. 

 Br. FL 1 . p. 265. E. Fl. v. iii. p. 46. E. Bot. t. 100. 



Sides of lakes and rivers ; not very common. On the margin of a 

 lake in Lord Oriel's demesne at Collon ; banks of Lough Erne, in va- 

 rious places ; Lough Eske, near Donegal, and by the banks of the river 

 Fergus, a little above the bridge of Ennis. In several small lakes 

 near Ecklinville, County of Down ; Mr. Campbell. FL July. %. 

 Stem 2 3 feet high. Flowers large, handsome. 



4. R. Flammula, Linn. Lesser Spear-wort. Leaves linear- 

 lanceolate, nearly entire, petiolate ; the lower ones ovate-lan- 

 ceolate ; stem declined at the base and rooting. Br. Fl. 1. p. 

 265. E. FL. v. iii. p. 45. E. Fl. Bot. t. 337. 



Sides of lakes and ditches, abundant. Fl. July, Aug. 1^. 



5. R. Ficaria, Linn. Pilewort Crowfoot. Leaves cordate, 

 petiolate, angular, or crenate ; calyx of 3 sepals ; petals 9. 

 Br. Fl. 1. p. 266. E. Fl. v. iii. p. 45. E. Bot. t. 387. Ficaria 

 ranunculoides, De Cand. 



Pastures, woods, and bushy places. Fl. April, May. 1. Root 

 consisting of many large fasciculated tubers. Leaves petiolate, 2 3 

 on the 1-flowered stem. Flowers glossy, yellow. 



f f Leaves divided. Pericarps smooth. 



6. R. auricomus, Linn. Wood Crowfoot. Leaves glabrous ; 

 radical ones reniform, 3-parted and cut ; stem-leaves divided to 

 the base into linear subdentate segments; calyx pubescent 

 shorter than the petals ; head of fruit globose. Br. Fl. 1 . p. 26. 

 E. Fl. v. iii. p. 47. E. Bot. t. 624. 



Woods and coppices, not unfrequent. FL April, May. %. Stem 

 a foot high, branched, leafy. Radical leaves on long petioles, some- 

 times simply kidney-shaped. Flowers terminal, solitary, bright 

 yellow. 



7. R. sceleratus, Linn. Celery-leaved Crowfoot. Leaves gla- 



