124 ' ROSACEJ. (ROSE FAMILY.) 
shorter than the calyx. (Dalibarda lobata, Baldw.)— Banks of the Flint and | 
Chattahoochee rivers, in the middle districts of Georgia, not common. May 
and June. — Scape and leaves 4' — 8' high. 
ll. POTENTILLA, L. CINQUEFOIL. 
Calyx flat, 5-cleft, with as many bracts. Petals 5, obcordate or roundidl 
Stamens numerous. Style lateral or terminal, deciduous. Achenia collected 
in a head on the dry and pubescent receptacle. — Herbs or shrubby plants, with 
yariously divided leaves. Flowers solitary or cymose. 
* Style terminal, or nearly so. 
1. P. Norvegica, L. Annual, hairy; stem erect, branched ; ; Jeavéb pal- 
mately 3-foliolate, the leaflets obovate-oblong or lanceolate, coarsely serrate ; 
flowers pale yellow, in leafy cymes; petals shorter than the calyx. — Waste 
places. Introduced, and sparingly naturalized. — Stem 1° - 2° high. 
2. P. Canadensis, L. Perennial, hairy ; stem prostrate or ascending, 
simple ; leaves palmately 5-foliolate; leaflets obovate-oblong, coarsely serrate ; 
flowers axillary, solitary, on long filiform peduncles; petals yellow, obcordate, — 
as long as the calyx. (P. simplex, Michx.) —Meadows in the upper districts, — 
Mississippi to North Carolina, and northward. July and August: — Stem —— 
19-3? long. 
* * Style lateral. : 
3. P. tridentata, Ait. Stem somewhat shrubby at the base, erect or as- 
cending, pubescent; leaves rigid, trifoliolate, cuneate-oblong, 3-toothed at the 
apex ; flowers white, in a terminal cyme. — High mountains of North Carolina. 
July.— Stem 5' - 10' high. Achenia and receptacle very hairy. 
12. FRAGARIA, Tourn. STRAWBERRY. 
Flowers like Potentilla, but the dry achénia borne on the enlarged, at length — É 
pulpy and scarlet receptacle. Style lateral — Perennial herbs with creeping 
runners. Leaves radical, trifoliolate. Flowers white, in terminal cymes. 
t F. Virginiana, Ehrhart. Hairy; leaflets oblong, coarsely serrate; 
scape few-flowered ; fruit roundish, the achenia imbedded in the deeply pitted 
receptacle. — Rich “wood Florida to Mississippi, and northward. — and 
April. — Seapes 4! — 6^ high. 
13. RUBUS, L. Brrer. BRAMBLE. 
Calyx concave or flattish, 5-parted, without bracts. Petals 5, deciduous. 
. Stamens numerous. Achenia juicy, crowded on the conical or ime re 
ceptacle. Style nearly terminal, deciduous — Perennial or shrubby and 
prickly plants, with lobed or compound petioled leaves, and white or 
flowers. 
4 TÉ of ackenia Mniphrtait actu $ receptacle dry. —— 
1. R. odoratus, Te _Shrubby, not prickly; ‘the branches, petioles, and 
