POLYANDRIA POLYGYNIA. Ranunculus. 157 



darker than in R. bulbosus, often marked with a black spot. 



Ls^ more distinctly three-partite ; sometimes smooth. 



Pkmt acrid, blistering. 



Var. with double fl. in gardens. 



R. acris. Upright Meadow C Calyx spreading. 

 Flower-stalks round and even. Leaves in three, deep 

 lobed and cut segments ; those of the uppermost linear 

 and entire. Stem erect, covered with close hairs. E. 

 B. 652. C. 1. 39. 



Meadows, pastures. 



Per. June. 



Root tuberous, long-fibred. Stem upright, two f., round, branched 

 above. Ls. root-ones, the stalks long, hairy, upright, three or 

 five partite, variously subdivided and cut : uppermost Is., com- 

 paratively stalkless, lobes linear, three. Pet. yellow, shining. 

 Nect. scale one, notched. 



Discrim. From R. auricomus by its scale nect., and by its cal., 

 spreading; from R. bulbosus, and R. hirsutus, by its round fl.- 

 stalks from the last two also, and from R. repens. Bear in 

 mind the smooth seeds to discr., it from those species with sharp- 

 pointed prickly seeds. 



Plant acrid. Var. fl. double. 



R. arvensis. Corn C. Seeds very prickly at the sides. 

 Leaves once or twice deeply three-cleft, with linear- 

 spear-shaped segments. Stem erect, much branched, 

 many-flowered. E. B. 135. C. 6. 3Q. R. arvorum. 

 G. E. 951. 



Cornfields. 



An. May. — 



Plant pale. FL small, yellow. Seeds strikingly armed on the 



side with prominent prickles, projecting more than those of R. 



parviflorus. 



Plant very acrimonious, producing in animals colic, and death, 

 by gangrenous stomach. Poisonous to sheep, who greedily devour 

 it. Three oimces of the juice killed a dog in four minutes. Best 

 antidote vinegar. See Brugnon Mem. Turin, v. 4. 108. Cows 

 and horses eat it. 



R. parviflorus. Small-Jioivered C. Seeds armed at the 

 sides with small hooked prickles. Leaves roundish- 

 heart-shaped, simple, hairy, sharply cut ; upper ones 

 three-lobed. Stem prostrate. E. B. 120. 



Gravelly fields, hedges.* Bullingdon Green. Shotover Hill. 



Southleigh. Sh. Elsfield. Bx. Abingdon Road, near Oxford. 



R. W. 

 An. May. 

 Humble in growth. Ls. foot-stalks long, dilated. Ls. all notched ; 



