512 RANUNCULACEAE 
4, HELLEBORUS L. Perennial herbs. Leaf-blades palmately lobed or 
divided. Flowers few or solitary. Sepals 5, white, greenish, or yellowish, 
mainly persistent. Petals small. Filaments 
follicles play ee 15 species, Eurasian. 
viridis L. Plant 3-6 dm. tall: blades 
of the Pepe leaves 1—3 gments 
1 sharply serrate; sepals elliptie, about 
sal als ular, a ; 
TAA follicles about 15 mm ong.—( CHRIST- 
ISTMAS-ROSE. GREEN- 
HELLEBORE. te-places, cult. E 
o N. 
TE 
and fields, various provinces, N. C. 
Nat. of Eu.—Wint.-spr. 
lowers ee pals 5-7, deciduous. Petals 5-7, cucullate. Stamens 
numerous: jit slender. Carpels few, 
stipitate, several-ovuled, in fruit forming a 
cluster of apically beaked follieles.—A bout 
nine species, natives of the cooler parts of 
the north temperate zone. 
1. C. trifolia (L.) Salisb. Plant 7-15 em. 
tall: leaves persistent; divisions 3, obovate- 
à | T ar 
d bo 
provinces, rarely Coastal Plain, only in 
Blue Ridge and Appalachian provinces, N. C. to B. C., Alas., C Can. and Newf. 
—(Eurasia.)—Delights to form mats on decaying logs —Bpr 
6. ISOPYRUM L. Perennial caulescent herbs.  Leaf-blades rd 
decompound. Flowers few or solitary. Sepals 5-9, petal- -like. Petals 5, 
tam 
ing 
natives of the north temperate zone 
1. I. biternatum (Raf) T. & G. Plant 
1-3.5 dm. tall: leaflets 1-2.5 em. long, dose 
or divide d; fiower white dun elliptie or 
somewhat obov ate, 9—12 . long: follieles 
4—6 mm. long, ous edes FALSE RUE- 
ANEMONE.) — Woods and bluffs, various 
provinces, west of Appalachians W Fla. to 
Ont.—Spr. 
OPTIS Salisb.  Perennial seapose herbs. Leaf-blades 3-foliate. 
Tex., Minn., and S 
