Ilanunculus. RANUNCULACK.E. 27 



intermedius, Torr. & Gray, 1. c. 16. — Shore of Lake Ontario ' to California and Oregon and 

 northward. (N. Asia, Ku.) Largest forms from western eo;ist, nearly approaehing iho 

 type; very sloiuler and linear-leaved as well lus small hroaiier-lea\eil forms p;is.H into 



Var. reptans, E. MiiviCR. Sniiill, whidly erecping: steins liliform, a span or two long : 

 leaves Willi Made from 2 lines to an inch long, from linear to spatulale or laneeolate : |M-taiM 

 about 2 lines long : akenes witli more conspieiions and snhnlate oftener curved l)eak, or 

 sometimes merely apicnlate-l>eaked ius in the type. — PI. Lalir. 90; (Jray, Man. ed. 5, 41 ; 

 Reichenb. Ic. Fl. Germ. iii. t. 10. li. n>i>taus, I.. Spec. i. .549 (Fl. Lai)p. t. 3, f. S) ; l-l Dan. 

 t. 108, &c. R. reiitiins, var../r///brwi/.«j, DC. Syst. i. 248; Torr. & Gray,!, c. IG. li.jilifonni*, 

 Michx. Fl. i. 320 ; Hart. Fl. N. A. ii. t. 70. R. Flammnln, yAr.Jili/onnis, Hook. Fl. Hor.-Am. 

 i. 11. — (iravelly borders of ponds and pools. New Kngland to I'enn., an<l westward in the 

 mountains of Colorado and Utah, to California, and uortli to arctic Ahuska and Hudwju 

 Bay. (Greenland, N. Eu., N. Asia.) 



R. ambigens, NVatson. Robust, 2 feet high, erect from a decnnihent rooting base : IcaveH 

 lanceolate, acute or acuminate, often serrulate, 3 or 4 inches long by 4 to 10 lines wide, 

 mostly much longer than the dilated half-chusping jjetiole : ])etals oblong, 2 or 3 lines long : 

 akenes a line long, obli(|uely oval, compressed, tipped with erect-incurved narrow-sabnlatu 

 beaks of fully or more than half tiieir length. — Proc. Am. Acad. xiv. 289, & Bibl. Lidex, 

 16. .ft. Flammula, & R. Lingua, I'ursh, Fl. ii. 391, and of all the older Am. botanists. 

 R. Flammula, Torr & Gray, 1. c. 16, exd. var. R. alismit/ulius, Benth. PI. llartw. 29.5, jw to 

 eastern plant; Gray, 5Ian. ed. 5, 41, not Geyer.^ — In wet gras.sy places, New England to 

 Illinois.^ south to the mountains of Teuuessee and Georgia, and north to Canada. The 

 Amer. analogue of R. Lingua. 



= ^ Strictly pereimial, terrestrial, more or less tufted, with thickened-fibrons and fascicled 

 roots : stems mostly short and erect, or assurgent, not at all rooting from mxles : mature 

 akenes turgid (a line or more long), with iutrorsely apical or subapical and r.itiier short 

 subulate beak. 



R. alismsefolius, Geykk. Commonly robust, a span to a foot high, simple or branching: 

 leaves huieeolate to oblong, mostly tapering into margined or base-dilated |)etiole», or upjK.'r 

 subsessile, entire (sometimes obscurely repand-deliticulate), thickish, 2 to 4 inches hmg and 

 a quarter to full inch wide : petals broadly obovate, a third to half inch long, generally large 

 and showy : akenes glabrous and smooth, in a globose or hemispherical head. — Geyer in 

 Benth. PI. Hartw. 29.5, as to Pacif. pi. only, the fruit not then known ; Wats. Prm-. Am. 

 Acad. xiv. 289 ; Brew. & Wats. Hot. Calif, i. 6. /{. Flammula, Hook. Lond. Jour. Bot vi. 

 66. R. Bolanderi, Greene, Bull. Calif. Acad. Sci. ii. 58.* — Marshes from borders of Brit. 

 Columbia and Colorado to central parts of California; ^rsX, coll. and distinguished by (ii-fier. 

 "Var. alismellus, Gr.\y. Usually much more slender, 4 to 10 inches high- leaves 

 thinner, with blade half inch to 2 inches long, from o I dong lanceolate to ovate, or rsidical 

 even cordate and on long slender jielioles : Mowers smaller: petals only 3 lines long. — 

 Proc. Am. Acad. vii. 327, viii. 372; Brew. & Wats. Bot. Calif, i. 6. R. tilismip/olius, vat. 

 montanus, Wilts. Bot. King lOxj) 7, one of the intermediate forms.* — Same range,* but 

 subalpine, and in the Rocky .Mountains, from Wyoming to Utah and Colorado. (/'. P.-tetuiit- 



Ilirculus, Schrenk, of Asia, is quite distinct and probably an entire-leaved fi>r;v "f '' ' 



c/iellus.) 



1 Eastward to St. John's, Newfoundland, llnUmon & Schrcnl:. Add syii. R. rrj>h-iir-<, ..n. >.<,./ ■ 

 lostis, FrejTi, Deutsche Bot. Monatsschr. viii. 181. 



2 Add as doubtful syn. R. ubtusiiisculu.^, Raf. in Desv. Journ. Bot. i. 2"25 (1808). A tracing from 

 Ratinesque's figure of his ])lant shows a slender straight erect stem and single annual root, ul.w linrar- 

 laiiceohite sepals, all at variance with the stout decumbent commonly geniculate and copiously rotitinij 

 stem and ovate sepals of the present species. 



8 Westwanl to Springfield, Missouri, Rlankin^hii). 



4 Add syn. R. calthce/firrus, k R. Hartivegi, Greene. Eivtlua, iii. 4.5. Tlie R. ali.fmt^nliu.^ of 

 Geyer was properly defined by Watson, 1. c. considerably Ijcfore the publication of Prof. Gretfiie's 

 synonyms, and the Rocky ]Mouiitain and Pacific forms do not appear to have any satisfactory si»fcinc 

 distinctions. 



5 Add sjni. R. ah\v)u-Uvs, Greene, Fl. Francis. -JIJ?, & R. Populayo, Greene, Erj-thea, iii 19, the 

 form of S. W. Oregon and Idaho with ratlier broad cordate radical leaves. 



« Southward in California to Sau Jacinto Mountains, Uassf, ace. to Parish, Zoe, iv. 161. 



