RANUNCULUS.] RANUNCULACE^E. 9 



in lobing, upper a little hairy. Flowers % in. diam., proterogynous. Achenes 

 many, small, faces a little wrinkled, dorsal edge furrowed ; style minute. 

 DISTRIB. Europe (Arctic), N. Asia, N. India to Bengal ; introd. in America, 

 &c. Very acrid. 



*** Perennials. Radical leaves divided, upper cauline entire. Glands of petals 

 with a small scale. 



14. R. a'cris, L. ; hairy, erect, without runners, leaves 3-7-partite, 

 segments of lower cuneate deeply cut and lobed, peduncles not furrowed, 

 sepals spreading pubescent, receptacle glabrous, achenes compressed 

 margined glabrous, style hooked. 



Meadows, &c., N. to Shetland ; ascends to nearly 4,000 ft. in the Highlands ; 

 Ireland; Channel Islands; fl. April-Sept. Rootstock straight. Stem 8 in.- 

 3 ft. Leaves usually all petioled, orbicular or 5-angled in outline, uppermost 

 sessile. Flowers 1 in. diam., proterandrous, spreading. DISTEIB. Europe 

 (Arctic), N. Asia; introd. in America. 



VAR. R. vulya'tus, Jord. ; rootstock creeping horizontal or slightly inclined. 



VAR. R. Boraa'nus, Jord. ; stern glabrous below, leaf-segments very narrow. 



VAR. R. tomophyl'lus, Jord.; rootstock nearly erect, leaf -segments very narrow. 



15. R. re'pens, L. ; hairy, stem decumbent below with long runners, 

 leaves 3-foliolate or 3-nately pinnatisect, segments cuneate lobed and 

 toothed, peduncles furrowed, sepals spreading hairy, receptacle slightly 

 hairy, achenes compressed margined glabrous, style hooked. 



Waste ground from Sutherland southd. ; ascends to 2,700 ft. in the High- 

 lands ; Ireland ; Channel Islands ; fl. May-Aug. Rootstock stout, short. 

 Stem 8 in.-2 ft. Leaves petioled, triangular or ovate ; segments variable, 

 middle usually longest. Flowers 1 in. diam. Petals generally suberect. 

 DISTRIB. Europe (Arctic), N. and W. Asia, N. Africa ; introd. in America. 



16. R. bulbo'sus, L. ; erect, hairy, stem swollen at the base without 

 runners, leaves 3-foliolate or ternatisect, segments lobed, peduncles 

 furrowed, sepals reflexed and receptacle hairy, achenes compressed 

 margined glabrous, style short hooked. 



Meadows, &c., from. Caithness southd. ; ascends to 1,500 ft. in the High- 

 lands; Ireland; Channel Islands; fl. May-July. Stem 6-12 in., base often 

 as big as a walnut, sometimes corymbose above. Leaves variable in form 

 and lobing. Flowers | to 1 in. diam. DISTRIB. Europe, Asia, N. Africa ; 

 introd. in America. 



17. R. cheer opliyl'lus, L. ; erect, silkily hairy, stem swollen at the 

 base with tuberous offsets, leaves (of young plant entire) 3-foliolate 

 or ternatisect, peduncles not furrowed, sepals spreading, receptacle 

 glabrous, hairy head of compressed glabrous acute dotted achenes 

 cylindric-oblong. 



Jersey, St. Aubin's Bay ; fl. May. Root-fires stout. Stem 6-12 in., usually 

 simple, slender, l-fld.,neck clothed with dry matted fibres. Leaves of young 

 plant orbicular or broadly cuneate, toothed or lobed ; later formed leaves 

 very variable in lobing or cutting. Flowers |-1| in. diam., bright yellow, 

 proterandrous. Achenes very numerous, small, simply acute. DISTRIB. 

 France, Mediterranean region to Syria. 



