ROSACEA E (KOSii FAMILY) 493 



19. DALIBARDA Kalm. 



Calyx deeply o-6-parted, 3 of tlie divisions lar^rer and toothed, l^etals 5 ses. 

 sile, deciduous. Stamens many. Ovaries 5-10, becomin- nearly dry seed-like 

 drupes; styles terminal, deciduous. —Lovsf unarmed perennials, witii creepinf^ 

 and densely tufted stems or rootstocks, and roundish-heart-shaped c-enate leaves 

 on slender petioles. Flowers of 2 kinds, a few upright long-peduncled usually 

 sterile ones with white petals, and numerous fertile aietalous ones on short, 

 curved peduncles. (Named for Thomas Francois Dalibard, a French botanist 

 of the time of Linnaeus.) 



1. D. repens L. Downy ; sepals of the petaliferous flowers spreading, of the 

 cleistogamous ones converging and inclosing the fruit. — Woods, N. B to Ont 

 s. to N. J., Pa., O., Mich., and Minn. June-Aug. '' 



20. ALCHEMILLA L. Lady's Mantle 



Calyx-tube inversely conical, contracted at the tliroat ; limb 4-parted with as 

 many alternate accessory lobes. Petals none. Stamens 1-4. Pistils 1-4 ; the 

 slender style arising from near the base ; achenes included in tlie tube of tlie 

 persistent calyx. — Low herbs, with palmately lobed or compound leaves, and 

 small corymbed greenish flowers. (From Alkemelyeh, the Arabic name, havinc' 

 reference to the silky pubescence of some species.) ° 



1. A. ARVENSis Scop. (Parsley Piert.) Small annual, 4-20 cm. hidi ; 

 leaves S-parted, with the wedge-shaped lobes 2-3-cleft, pubescent ; flowers fasci- 

 cled opposite the axils. — N. S. (according to Lawson) ; D. C. (where said to be 

 extinct) ; Va. to Tenn. and Ga. (Adv. fmm Eurasia.) 



2. A. PR A TENS IS F. W. Schmidt. Pereimial, 1-3 dm. high, from a stout 

 caudex ; leaves orbicular, 2-10 cm. in diameter, deeply cordate, finely serrate, 

 shallowly 5-9-lobed; inflorescence paniculate; pedicels filiform. — Dry road- 

 sides, etc., N. S., where locally abundant near coast; also casual at Westford, 

 Mass. {Miss Fletcher) (Nat. from Eu.) 



21. AGRIM6nIA [Tourn.J L. Agrimony 



Calyx-tube top-shaped or hemispheiical, the throat beset with hooked bristles, 

 indurated in fruit and inclosing 2 achenes; the limb 5-cleft, closed after flower- 

 ing. Petals 5, yellow. Stamens 5-15. Styles terminal. — Perennial herbs, 

 with interruptedly pinnate leaves, crenate-serrate leaflets, and small spicate- 

 racemose flowers. Bracts 3-cleft. (Name a corruption of Argemone.) 



a. Fruiting' calyx more or less top-shaped, deeply furrowed h. 



b. Leaflets (exclusive of the little intermediate ones) chiefly 5-9, ovate to 

 obovate or elliptic-oblong. 

 Khachis of inflorescence covered with minute glandular puberulence 

 interspersed with long- widely spreading hairs ; leaves sparingly 



pubescent beneath ; roots not thickened 1. A. gryposepala 



Ehachis appressed-villous or glandular-puberulent, without long 

 widely spreading hairs. 

 Eoots not thickened ; lower surface of leaflets conspicuously resin- 

 ous-dotted, only the veins villous 1. A. striata. 



Hoots fusiform-thickened toward the end ; lower surface of leaflets 

 velvety-toinentose, scarcely or not at all resinous-dotted. 

 Larger leaflets 5-9, oblong or elliptical ; fruiting calyx 4-5 mm. 



Avide (exclusive of spreading hooks) . . . " . , .8. A. mollis. 

 Larger leaflets 3-5, 'obovate ; fruiting calyx about 3 mm. wide 



(exclusive of hooks) . . . . ' 4. A. microcarpa 



b. Leaflets (exclusive of little intermediate ones) 11-13, lanceolate to nar- 

 rowly lance-oblong h. A. parriflora. 



a. Fruiting calyx hemispherical, striped but scarcely furrowed . . .6. A. ro^telluta. 



1. A. gryposepala Wallr. Tall (7-12 dm.); stem hirsute; leaflets large, 

 thin, smoothisli, scarcely paler beneath ; fruiting calyx nearly 1 cm. long ; hooks 

 long, widely spreading, the obiter deflexed. (A. Eupatoria Man. ed. 0, in part, 

 not L.; A. hirsuta Bicknell.) — Thickets, ravines, etc., s. N. S. and centr. Me. 

 to Va., and westw. ; frequent. 



