9. R. híspidus, L. (RUNNING SWAMP-BLACKBERRY.) _Stems slender, scarcely woody, extensively procumbent, beset with small reflexed prickles_; leaflets 3 (or rarely pedately 5), _smooth, thickish, mostly persistent_, obovate, obtuse, coarsely serrate, entire toward the base; _peduncles leafless, several-flowered, often bristly; flowers small_; fruit of few grains, black.--In low woods or swampy grassy ground, N. Scotia to Ga., west to Minn. and E. Kan. 10. R. cuneifòlius, Pursh. (SAND BLACKBERRY.) _Shrubby_ (1--3° high), _upright, armed with stout recurved prickles, branchlets and lower side of the leaves whitish-woolly_; leaflets 3--5, wedge-obovate, thickish, serrate above; peduncles 2--4-flowered; _petals large_.--Sandy woods, southern N. Y. and Penn. to Fla., west to Mo. and La. 11. R. triviàlis, Michx. (LOW BUSH-BLACKBERRY.) _Shrubby, procumbent_, bristly and prickly; _leaves evergreen, coriaceous, nearly glabrous_; leaflets 3 (or pedately 5), ovate-oblong or lanceolate, sharply serrate; peduncles 1--3-flowered; petals large.--Sandy soil, Va. to Fla., west to Mo. and Tex. 6. DALIBÁRDA, L. Calyx deeply 5--6-parted, 3 of the divisions larger and toothed. Petals 5, sessile, deciduous. Stamens many. Ovaries 5--10, becoming nearly dry seed-like drupes; styles terminal, deciduous.--Low perennials, with creeping and densely tufted stems or rootstocks, and roundish-heart-shaped crenate leaves on slender petioles. Flowers 1 or 2, white, on scape-like peduncles. (Named in honor of _Thomas Dalibard_, a French botanist of the time of Linnæus.) 1. D. rèpens, L. Downy; sepals spreading in the flower, converging and enclosing the fruit.--Wooded banks; common northward. June--Aug.--In aspect and foliage resembling a stemless Violet. 7. GÈUM, L. AVENS. Calyx bell-shaped or flattish, deeply 5-cleft, usually with 5 small bractlets at the sinuses. Petals 5. Stamens many. Achenes numerous, heaped on a conical or cylindrical dry receptacle, the long persistent styles forming hairy or naked and straight or jointed tails. Seed erect; radicle inferior.--Perennial herbs, with pinnate or lyrate leaves. (A name used by Pliny, of unknown meaning.) § 1. GEUM proper. _Styles jointed and bent near the middle, the upper part deciduous and mostly hairy, the lower naked and hooked, becoming elongated; head of fruit sessile in the calyx; calyx-lobes reflexed._ [*] _Petals white or pale greenish-yellow, small, spatulate or oblong; stipules small._ 1. G. álbum, Gmelin. _Smoothish or softly pubescent; stem slender_ (2° high); root-leaves of 3--5 leaflets, or simple and rounded, with a few minute leaflets on the petiole below; those of the stem 3-divided or lobed, or only toothed; hairs upon the long slender peduncles ascending or spreading; _receptacle of the fruit densely bristly-hirsute._--Borders of woods, etc.; common. May--Aug.