174 
Spring Flora of Oklahoma 
ary, its limb 3-5-toothed or 3-5-lobed. Corolla gamopetal- 
ous, rotate, campanulate, funnel-form, urn-shaped, or tu¬ 
bular, the tube often gibbous at the base, the limb 5-lobed, 
sometimes 2-lipped. Stamens 5, inserted on the tube of 
the corolla and alternate with its lobes. Ovary inferior, 
1-6-celled. Stigma capitate, or 2-5-lobed. Fruit a 1-6- 
celled berry, drupe, or capsule. Seeds oblong, globose, or 
angular. 
Corolla rotate or urn-shaped; flowers in compound 
cymes; styles deeply 2-5-lobed; shrubs or trees. 
Leaves pinnate; drupe 3-5-seeded. I. Sambucus. 
Leaves simple; drupe 1-seeded. II. Viburnum. 
Corolla tubular or campanulate, often 2-lipped; style 
slender. 
Erect, perennial herbs; leaves'connate. 
III. Triosteum. 
Shrubs or vines. IV. Symphoricarpos. 
I. SAMBUCUS (Tourn.) L. 
Shrubs with odd-pinnate leaves. Calyx limb minute or 
wanting. Flowers very many, small, white, in compound 
cymes. Corolla with a small, somewhat urn-shaped tube, 
and a flattish, spreading, 5-cleft limb. Stamens 5. Stig¬ 
mas 3, sessile. Fruit a globular, pulpy drupe, 3-seeded, 
appearing like a berry. 
1. Sainbucus canadensis L. American Elder. A shrub, 4°-10° 
high, glabrous or very nearly so, the stems but little woody, the 
younger ones with large white pith. Leaflets 5-11, usually 7, ovate 
or oval, 2'-5' long, sharply serrate, sometimes stipellate. Cymes 
convex. Flowers white, about 1*4" broad. Drupe deep purple or 
black. 
In moist soil. May-July. Frequent. 
II. VIBURNUM (Tourn.) L. 
Shrubs or small trees. Leaves simple, entire, dentate 
