854 HEDERACEAE 
5. Svida Priceae Small. A branching shrub 1-2 m. tall, with red finely pubescent 
twigs. Leaves numerous ; blades elliptic to ovate-elliptic or ovate, 5-12 cm. long, usually 
acuminate, deep green and roughish pubescent above, pale and more copiously but more 
softly pubescent and prominently nerved beneath ; petioles 1-2 cm. long, pubescent like the 
twigs: corymbs 4-6 cm. broad at maturity : drupe about 3 mm. in diameter, subglobose, 
Tuo. stone 2.5 mm. long, slightly longer than broad, faintly ribbed. [Cornus Priceae 
mall. | 
On river banks, southern Kentucky and northern Tennessee. Spring. 
6. Svida asperifdlia (Michx.) Small. A shrub 1-5 m. tall, with reddish brown twigs 
and rough pubescent foliage. Leaves opposite ; blades firm, ovate to elliptic or oval, 4-15 
em. long, acuminate, prominently nerved beneath, acute to subcordate at the base, the pubes- 
cence less harsh beneath than above ; petioles 4-18 mm. long: cymes 3-6 cm. broad, often 
paniculate : hypanthium minutely pubescent : sepals triangular, 0.5 mm. high, acute : petals 
lanceolate or oblong-lanceolate, obtuse, recurved: stamens about as long as the petals: 
drupe subglobose, 5-6 mm. in diameter, white: stone oblique, about 3 mm. broad, very 
slightly angled, furrowed around the edge. [Cornus asperifolia Michx.] 
In low grounds or moist banks, Ontario to Iowa, south to Alabama and Texas. Early summer. 
7. Svida Amómum ( Mill.) Small. A shrub 1-4 m. tall, with slightly pubescent foliage 
and purple branchlets. Leaves opposite; blades firm, varying from lanceolate to broadly 
ovate, acuminate, glabrate Xbove, silky or rusty-pubescent beneath, acute or rounded at 
the base; petioles 0.5-1.5 cm. long : cymes rather densely flowered, 5-10 cm. broad : hypan- 
thium urn-shaped: sepals oblong or oblong-lanceolate, about as long as the tube: petals 
linear-lanceolate, about 5 mm. long, spreading or recurved : stamens shorter than the petals : 
drupe subglobose, pale blue, 6-8 : stone oblique, about 5 mm. in diameter, usually pointed 
at both ends, broader than high, sharply longitudinally ridged. [Cornus sericea L. ] 
Along streams, New Brunswick to Ontario and Dakota, south to Florida and Texas. Spring. 
4. CYNÓXYLON Raf. 
Trees, with spreading branches and a very rough bark. Leaves opposite: blades 
rather thick, prominently several-nerved, entire. Flowers perfect, in dense clusters sub- 
tended by conspicuous involucres of usually 4 petal-like bracts. Sepals erect, about as broad 
as long, persistent. Corolla greenish or yellow-green: petals 4, valvate. Stamens 4, ex- 
serted. Filaments slender. Ovary 2-celled, sessile: styles united: stigma depressed, 
Ovules solitary in each cavity, pendulous, anatropous. Drupe manifestly elongated, red, 
with a somewhat elongated stone. FLOWERING Doawoop. 
1. Cynoxylon flóridum (L.) Raf. A shrub or small tree sometimes 15 m. tall, with a 
maximum trunk diameter of about 0.5 m., the bark black, in high ridges, the wood hard 
and close-grained. Leaf-blades elliptic to oval, 6-18 cm. long, acute or short-acuminate 
at both ends, bright green and sparingly pubescent above, pale and more densely pubescent 
beneath, short-petioled : bracts showy, white or pink, obovate, 4-6 cm. long, notched and 
thickened at the apex : hypanthium cylindric-funnelform : sepals as broad as long: petals 
linear, 3-4.5 mm. long, obtuse, curled back: stamens exserted : drupes oblong, usually 
clustered, about 1.5 cm. long, red: stone elliptic, rather pointed at both ends, 2-grooved. 
[Cornus florida L.] 
In woods with deciduous-leaved trees, Massachusetts to Ontario and Missouri, south to Florida, 
Texas and Mexico. Spring; fruit ripening in the fall. Docwoop. 
FAMILY 2. HEDERACEAE L. Ivy FAMILY. 
Aromatie herbs, shrubs, trees or vines, possessing stimulant and somewhat 
tonic properties. Leaves alternate or whorled: blades simple or compound. 
Inflorescence variously disposed, the ultimate divisions often umbels. Flowers 
perfect or polygamous, regular, sometimes involucrate. Calyx of 5 sepals, these 
sometimes:very short. Corolla of five or ten valvate petals, inserted in the 
margin of an epigynous disk. Androecium of 5 or 10 stamens inserted with the 
petals, and alternate with them, Filaments short, distinct. Anthers introrse. 
Gynoecium of 2-5 united carpels. Ovary 2-5-celled, crowned with an epigynous 
disk. Styles as many as the cavities of the ovary, spreading or converging, 
sometimes united. Stigma simple. Ovules solitary, anatropous. Fruit a berry 
