104 
Spring Flora of Oklahoma 
amous. Calyx tube 4-5, inserted with the petals and op¬ 
posite them. Anthers short, versatile. Ovary 2-5-celled. 
Ovules 1 in each cavity. Fruit a drupe or capsule. Seeds 
solitary in the cavities. 
I. CEANOTHUS L. 
Shrubs, leaves alternate-petioled. Flowers perfect, in 
terminal panicles or corymbs formed of little umbel-like 
clusters. Calyx tube top-shaped or hemispherical, with a 
5-lobed border. Petals 5, with hoods, on the slender claws. 
Stamens 5. Fruit dry, 3 lobed, splitting when ripe into 3 
carpels. 
1. Ceanothus americanus L. New Jersey Tea. Red-root. Leaves 
ovate or ovate-oblong, l'-3' long, acute or acuminate at the apex, 
obtuse or subcordate at the base, finely pubescent, serrate all around, 
strongly 3-nerved. Peduncles terminal and axillary. Fruit depressed, 
about 2" high, nearly black. 
Dry, open woods and prairies. Common. May-July. 
FAMILY 55. VITACEiE. Grape Family. 
Climbing, woody vines, with watery sap, with stem 
swollen at the insertion of the petioles, alternate, simple, 
or compound leaves with stipules, and small, regular, 
greenish, perfect or polygamo-dicecious flowers, in pan¬ 
icles, racemes, or cymes. Calyx entire or 4-5-toothed. 
Petals 4-5. Stamens 4-5, opposite the petals. Ovary 2-6- 
celled. Ovules 1 or 2 in each cavity. Fruit a 1-6 celled 
berry. 
Leaves not digitately compound. 
Petals united into a cap, falling away without sep¬ 
arating. I. Vitis. 
Petals separate, spreading. II. Ampelopsis. 
[Leaves digitately compound. III. Parthenocissus. 
