838 Oedeb 47.— rosacea. 



5 Style straight, jointless, all of It persistent. BravKESiA Nob. 1, i 



5 Style bent and jointed in the middle, hooked or pUimose. (a) 



a Head of fruits raised on a stipe. Fls. yellow or purple Noa. 8 — B 



a Head of fruits sessile (no stipe). — Fls. yellow Nos. 6, 7 



— Flowers white No. 8 



1 G. triflorum Purah. Villous ; st. erect, about S-fiowerod ; Ivs. mostly radical, 

 interruptedly pinnate, of numerous cuneate, incisely dentate, subequal Ifts. ; 

 bracilets linear, longer than the sepals ; sty. plumous, very long in fruit. — Brit. 

 Am. and N. W. States, rare in tbo Northern. Sta. scarcely a foot high, with a 

 pair of opposite, laoiniate Ivs. near the middle, and several bracts at the base of the 

 long, slender petioles. Radical Ivs. 5 to 6' long, the terminal 1ft. not enlarged. 

 Hs. rather large, purplish white. Sty. 2' long in fruit. May, Jn. 



2 G. Peckii Pursh. Nearly glabrous; st. erect, several-flowered, nearly naked; 

 radical Ivs. lyrate-pinnato ; the terminal Ift. very large, truncate at base, the lateral 

 ones minuto ; pet. obovaie, much longer than the cal. — White Mts. Scape 9 to 

 IS' high, with several small, incised bracts. Petioles 3 to 5' long, bearing 4 or 

 5 dentate, lateral Ifts. 1 to 4" long, and ending in a half round 1ft. 2 to 4' wide, 

 lobed and dentate. Fls. 8" diam., yellow, terminal on the elongated branches. 

 Jl., Aug. 



3 G. radi^tum Ms. Very haiiy, hispid; st. leafy, 5 to lO'flowered ; rt. Ivs. 

 lyrate-pinnate, the terminal Ifl. very large, broadly reniform-cordate, incised, the 

 lateral ones very small; st. Ivs. sessile, cleft and toothed; petals obcordate; sty. 

 persistent, much longer than cal. in fruit. — Eoan Mt. N. Car. (Curtis). Sts. 1 to 

 '2f high, bearing a ."spreading panicle of large, yellow fls. 



4 G. vernum Torr. & Gr. Slender and slightly pubescent ; st. ascending at base ; 

 radical Ivs. pinnal^ly 5 to 9-fbliate, with incised Ifts. or often shnple and cordate, 

 incisely lobed and dentate ; cauline Ivs. 3 to 6-foliato or lobed ; stip. large and 

 incised; yfa. yellmo, erect, very small; sep. reflexed; head of carpels globous, raised 

 on a slender stipe. — Shades and thickets, Ohio to 111. and Tex. St. 8 to 20' high, 

 striate, di- or trichomotous at top, few-leaved and few-flowered. Petals yellow 

 and with the sepals hardly more than 1" in length. Stipe of Uie head of carpels 

 J' long. Apr. — Jn. (Stylipus vernus Raf ) 



5 G rivale. L. Pubescent ; st. subsimple ; radical Ivs. lyrate ; stip. ovate, acute ; 

 fis. nodding, purple; pet. as long as the erect cal. segrn. ; upper joint of the persis- 

 tent stylo plumous. — A fine plant, conspicuous among the grass in wet meadows 

 N. and M. States. Rhizome woody, creeping. St. 1 to 2f high, paniculate at 

 top. Root Ivs. interruptedly pinnate, inclining to lyrate, 4 to 6' long, terminal 

 1ft. large, roundish, lobed and crenate-dent.ate. St. Ivs. 1 to 3, 3-foliate or lobed, 

 eubsessilo. PJs. subglobous. Cal. purplish-brown. Petals broad-obeordate, 

 clawed, purplish-yeUow, veined. Jn. — The root is aromatic and astringent 



6 G. strictum Ait. Hirsute; radical Zra. interruptedly ^OTreate; cauline 3 to 5- 

 foliate ; Ills, obovato and ovate, lobed and toothed ; stip. largo and ei'cot ; bract- 

 lets linear, shorter than the sep.; pet. roundish, longer than the cal. ; sty. smooth, 

 upper joint hairy. — Fields, moist or dry, N. States and Brit. Am. St. hispid at 

 base, 2 to 3f high, dichotomous, and with spreading hairs at summit. Rt. Ivs. 5 

 to 8' long, inclining to lyrate, the terminal 1ft. largest, obovate and lobed. Fls. 

 numerous, rather large, yellow. Receptacle densely pubescent. Jl., Aug. 



7 G. macroph;^lliim Willd. Hispid; radical Ivs. interruptedly lyrate-pinnate, 

 the terminal Ift. much the largest, roundish-cordate, cauline with minute lateral Ifts., 

 and a large, roundish, terminal one, all unequally dentate ; petals longer than the 

 calyx ; recept. nearly smooth. — "Wliite Mtn. ;ind Brit. Am. St. 1 to 2f high, 

 stout, very hispid and leafy. Terminal 1ft. 3 to 5' diam. Fls. yellow. Jn., jl 



8 G. Virginianum L. Pubescent ; radical Ivs. pinnate, ternate or even rarely 

 simple, cauline 3 to 5-foliate or lobed, all unequally and incisely dentate, nearly 

 smooth or softly pubescent ; fls. erect ; petals not exceeding the calyx ; sty. gla- 

 brous; recep. densely hirsute. — Hedges and thickets, Can. and U. S. St. simple 

 or branched, smoothish above. Lvs. very variable in form, lower ones often 3- 

 ibliate, with long (6 to 8') appendaged petioles. Stip. mostly incised. Upper lvs. 

 simple, acute, sessile. Fla. rather small, white. Pod. in fruit long and diverging. 

 Jl. G. album amel.) 



