18 ORDER 1. RANTING ULACE^E. 



3 A. Pennsylvania L. Hairy, 1-, ftnftiiy2- or 3-flowered ; leaves of the invol. soft- 



sile, large, veiny, 3-parted, acurainate-iobecl and toothed. Prairies, Can. to Penn.. 

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



4 A. aroliniana Walt. Lvs. 3-parted into cnneate-linear, twice trifid segm. ; in 



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

 Car. to 111., and Nebr. 6 10'. Flower white-purple, pretty, fragrant. April, May. 



5 A. heterophy'lla Nutt. Lvs. of roundish-oval, crenate segments, invol. linear-clefi 



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

 8 16'. riower white-green, scentless. March, April. Varies toward No. 4. 



6 A. parvlflora Ms. Leaves of involucres, 8-cleft, segments cuneiform, 3-cleft, ere- 



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



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



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



8 A. Virginian a. 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. cylindrlea 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 hi- 

 ternate (apparently of 6-petioled ternate) Ivs., Ifts. 3-lobed ; fls. umbelled ; sep. 5 10. 

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



i 1 A. CORONARIA. I..V9. raultlftd, segm. linear; sep. 6, roundish, close. Levant. May. 

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



10 12, oblong. Italy. Varieties are double, semidouble, red, white, blue, &c. May. 

 1 3 A. JAP6NICA. Lvs. of the involucre and involncels broadly 3-5-lobed ; fls. many, IS'' 



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 flowor. 

 Calyx of 5 9 petaloid sepals, disposed in 2 or 3 rows. Cor. 0. Achenia 

 awnless. U Lvs. all 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 H. 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. 



;J H. acutiloba DC. Acute-leaved L. Lvs. with 3 acute lobe?, bracts of the invol. 

 acute. Borders of woods, Vt. to Wis. 4 &. Flowers violet-blue to rose-purple. 



4. THALIOTRUM, 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. 11 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 corymhed clusters. Sty. short. Ach. long-gtipitate No. 4 



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



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

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



2 X. cornutl L. Stouter, tall (3 if), smooihish; stem leaves sessile (no coinmor 



petiole) ; Ifts. thickish, veiny, with acutish lobe? ; anthers on white erect filaments 

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



