18 ORDER 1. RANUNCULACE^E. 



3 A. Peimsylvaiiica L. Hairy, 1-, fin^liyS- or 3-flowered ; leaves of the invol. se 



pile, large, veiny, 3-parted, acuminate-iobed and toothed. Prairies, Can. to Penn., 

 W. to the Miss. 1220'. Flowers pure white. June August. 



4 A. Caroliiiiana Walt. Lvs. 3-parted into cuneate-linear, twice trificl segm. ; in 



volucre similarly cleft half-way ; sepals obtuse, 15 20 ; carpels in an oblong head. 

 Car. to 111., and Nebr. 610'. Flower whit<:-purple, pretty, fragrant. April, May. 



5 A . Iieteropliylla Nntt. Lvs. of roundish-oval, crenate segments, invol. linear-cleft 



to the base ; sepals acute, 5 13 ; carpels ki o cylindrical head. Ga. to La. and Ark. 

 8 !(>'. Flower white-green, scentless. March, April. Varies toward No. 4. 



6 A. parviflora MX. Leaves of involucre 2, S-cieft, segments cuneiform, 3-cleft, cro- 



uate-lobed ; sepals 5 or 6 ; carpels in a globular head. L. Sup., and N. 3 12'. White. 



7 A. niultifida DC. Red Anemone. Involucre short-petioled ; lateral peduncles in- 



volucellate ; head of carpels oval. N. Vt. to L. Fup. Rare. Red- white. If. June. 



8 A. Viry.iiiia.ua L. Invol. long-petioled ; lateral ped. involucellate ; head of carp. 



oblong. Can. to Car. 2 3f. Fls. white-green, on long stalks. Sepals 5. Jn. Aug. 



9 A. cyliiidrica Gray. Invol. long-petioled; peduncles all naked, long; head of 



carpels cylindrical. N. H., Mass., to Iowa. Silky pubescent. 2f. White-green. May. 



10 A. tlialictroides L. Rue Anemone. Glabrous, slender; invol. of 2 sessile bi- 

 ternate (apparently of 6-petioled ternate) Ivs., Ifts. 3-lobed ; fls. umbelled ; sep. 510. 

 Woods, Can. to Ga.,W. to Iowa. 6-10'. Root tuberous. Fls. white-purp., 1'. Apr., May. 



11 A. CORONARIA. i.vs. multifld, segm. linear; sep. 6, roundish, close. Levant. May. 



12 A. HORTENSIS. Lvs. 3-parted, with cuneate cut-dentate lobes; invol. sessile; sep. 

 1012, oblong. Italy. Varieties are double, semidouble, red, white, blue, &c. May. 



13 A. JAPONICA. Lvs. of the involucre and involucels broadly 3-5-lobed ; fls. many, 18" 

 broad, white and red ; sepals in 2 rows, roundish, widely spreading. Autumn. 



3. HEPATICA, Dill. LIVERLEAF. LIVERWORT. Invol. of 3 entire, 

 ovate, obtuse bracts, resembling a calyx, situated a little below the flower. 

 Calyx of 50 petaloid sepals, disposed in 2 or 3 rows. Cor. 0. Achenia 

 awnless. 1C Lvs. arl radical, cordate, 3-lobed, thick, evergreen. Flowers 

 single, on hairy scapes, appearing in early Spring before the new leaves 

 Figs. 332, 431. Cultivated as a border flower. 



1 If . triloba Chaix. Round-lobed L. Lvs. with 3 round-obtuse lobes ; bracts of the 



invol. obtuse. Woods, N. Eng. Scapes and leaf-stalks 3-4'. Fls. blue, varying to 

 white, neat and elegant, becoming double in cultivation. 



2 H. acutiloba DC. Acute-leaved L. Lvs. with 3 acute lobes, bracts of the invol. 



acute. Borders of woods, Vt. to Wis. 45'. Flowers violet-blue to rose-purple. 



4. THALICTRUM, Tourn. MEADOW RUE. Calyx colored, of 4 5 

 concave, caducous sepals. Petals 0. Filam. dilated upward, longer than 

 the sepals. Ov. 4 15. Ach. stiped or sessile, ribbed or inflated, short- 

 beaked H Lvs. ternately compounded, with stalked leaflets. Lfts. 3-7- 

 lobed. Flowers paniculate, often diclinous, of no beauty. 



* Flowers dioecious, in loose panicles. Styles slender. Achenia sessile or nearly so, 



ovoid, conspicuously angled and grooved Nos. 1 3 



* Fls. perfect, few in the corymbed Clusters. Sty. short. Ach. long-stipitate No. 4 



1 T. dioicum L. Slender, glaucous, glabrous (1 2f ) ; leaves all petiolate (with the 



general petiole) ; fls. in slender panicles, purplish or greenish ; fil. capillary, droop- 

 ing, achenia about 8. Hilly woods: common. Leaflets thin, 5-7-lobed. April, May. 



2 T. coruuti L. Stouter, tall (3 4f), smooihish; stem leaves sessile (no commor 



petiole) ; lits. thickish, veiny, with acutish lobes ; anthers on white erect filaments 

 achenia about 12, snbstipitate. Meadows. Leaflets 3-lobed. July, August. 



