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72 RHAMNACER. (BUCKTHORN FAMILY.) 
1. A. quinquefolia, Michx. (VIRGINIAN CREEPER.) — Low grounds, 
Florida and northward. June. —- Stem climbmg by lateral tendrils. Leaflets 
5, oblong-obovate, serrate above the middle, smooth. Berry small, dark-blue. 
Orper 39. RHAMNACEZE. (BuckrHonN FAMILY.) 
Trees or shrubs, with simple mostly stipulate leaves, and small regular 
perigynous greenish or whitish flowers. — Sepals 4 —5, united below, val- 
vate in the bud. Petals alternate with the sepals, concave or hooded, 
sometimes wanting. Stamens opposite the petals, and inserted with them 
into the margin of a fleshy disk, which lines the base of the calyx. Ovary 
1-4-celled, with a solitary erect anatropous ovule in each cell. Style 
single. Fruit drupaceous. Embryo large, in the axis of scanty fleshy 
albumen. Radicle inferior. —— 
Synopsis. ` 
* Drupe baccate, 1-2-celled. Ovary immersed in the disk. 
1. SCUTIA. Petals 5, or none. Drupe l-celled. Calyx adnate to the base of the ovary. 
2. BERCHEMIA. Petals5. Drupe 2-celled. Calyx free. 
* * Drupe baccate, separating into 2-4 nutlets. 
3. RAGERETIA. Leaves opposite. Nutlets 3. Flowers spiked. 
4. RHAMNUS. Leaves alternate. Seed furrowed on the back. Flowers clustered. 
5. FRANGULA. Leaves alternate. Seed not furrowed. Flowers umbelled. 
* * * Drupe at length dry, separating into 3 nutlets. 
6. CEANOTHUS. Flowers corymbed. Calyx white. Nutlets 2-valved. 
^7. COLUBRINA. Flowers cymose. Calyx green. c e pe 
8. GOUANIA. Flowers spiked. Woody vines. — 
SCUTIA, Commers. 
Calyx-tube hemispherical or pitcher-shaped, with 5 acute lobes. Petals, in- 
serted into the margin of the disk, short-clawed, sometimes wanting. Ovary 
adhering to the disk below, 2 —3-celled, with a single erect ovule in each cell. 
Style single, conical. Stigma 2-3-lobed. Fruit l-celled, or separating into 
2-3 one-seeded nutlets. Seeds without albumen. Radicle very short. — Shrubs, 
with alternate or opposite coriaceous entire 2-stipulate leaves, and small axillary 
flowers in simple umbels. : 
1. S. ferrea, Brongn. Spineless; mature leaves coriaceous, opposite or 
alternate, elliptical or obovate, emarginate, obtuse at the base, short-petioled ; 
stipules by pairs, ovate, minute; flowers clustered, axillary, on short pedicels ; 
calyx-tube 5-angled, the lobes ovate ; ovary immersed in the thick 5-lobed disk, 
2-celled, with an ascending ovule in each cell ; style very short; stigmas 2, thick, 
erect; drupe l-elled, 1-seeded. (Rhamnus ferreus, Vahl. Zisyphus emargina 
tus, Swarts) — South m o ea Meme iic. ni pale, 
