i'l UIIAMNACE/K. (BUCKTHOBM FAMILY.) 



1. A. quinquefolia, Michx. (Virginian Creeper.; — Low grounds, 

 Florida and northward. Jane. — Stem climbing \>y lateral tendrils. Leaflets 

 5, oblong-obovate, serrate above the middle, Bmooth, Berry small, dark-blue. 



Order 39. KUA3INACEiE. (Buckthorn Family.) 



Trees or shrubs, with simple mostly stipulate leaves, and small regular 

 perigynoug greenish or whitish flowers. — Sepals 4-5, united below, val- 

 vate in the bud. Totals 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 - 1-cclli'd. with a solitary erect anatropous ovule in each cell. Style 

 single. Fruit drupaceous. Embryo large, in the axis of scanty fleshy 

 albumen. Radicle inferior. 



fynopsis. 



* Drupo baccate, 1 - 2-eelled. Ovary immersed in the disk. 

 1 BCUTTA. Petals ■"), or none. Drupel-celled. Calyx ad nate to the base of the ovary. 



2. BERCHEMIA. Petals 5. Drupe 2-eelled. Calyx free. 



* * Drupe baccate, separating into 2-4 nutlets. 



3. BAGERETIA. Leaves opposite. Nutlets 3. Flowers spiked. 



4. RHAMNUS. heaves alternate. Seed furrowed on the back. Flowers clustered. 



5. FKANOll.V. Leaves alternate. Seed not furrowed. Flowers umbel led. 



* * * Drupe at length dry, separating into 3 nutlets. 



6. CEANOTIIUS. Flowers corymbed. Calyx white. Nutlets 2-valvel. 



7. COLUBK1NA. Flowen cymose. Calyx green. Nutlets opening at the inner angle. 



8. GOUAN1A. Flowers spiked. Woody vines. 



SCUTIA, Commers. 



Calyx-tube hemispherical or pitcher-shaped, with 5 acute lobes. Petals 5, in- 

 serted into the margin of the disk, short-clawed, sometimes wanting. Ovary 

 adhering to the disk below, 2-3-cclled, with a single erect ovule in each cell. 

 Style single, conical. Stigma 2 - 3-lobcd. Fruit 1 -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 



(lowers in simple umbels. 



1. S. ferrea, Brongn. Spineless; mature leaves coriaceous, opposite or 

 alternate, elliptical or obovatc, emarginate, obtuse at the base, Bhort-petioled ; 



stipule by pairs, ovate, minute ; flowers clustered, axillary, on Bhorl pedicels ; 



calyx-tube 5-angled, the lobes ovate ; ovary immersed in the thick 5-lobed disk, 

 8-cellcd, with an ascending ovule in each cell : Btyle verj short ; stigmas 2, thick, 

 erect; drupe l-celled, 1 -seeded. (Rhamnus ferreus, Vahi Zixyphus emargimv 



- nit:) — South Florida. — Branches opposite, whitish. Leaves pale, 

 I 'long. 



