Geum canadense Jacq.

Geum canadense Jacq. Hort. Vind. 2: 82. 1773
Geum virginianum Murr. Novi Comm. Gott. 5: 32, in part. 1775. Not G, virginianum L1753. Geum carolinianum Walt. Fl. Car. 150. 1788. Geum album J. F. Gmel. Syst. Nat. 2: 861. 1791. Caryophyllata alba Moench, Meth. 660. 1794. Sieversia caroliniana G. Don, Gen. Hist. 2: 528. 1832.
Perennial, with a thick rootstock; stem 3-10 dm. high, finely pubescent or glabrate, or with scattered longer hairs, corymbosely branched above; basal leaves long-petioled; blades of the earlier ones reniform or rounded-cordate, round-lobed and dentate, those of the later usually ternate, with rhombic or obovate leaflets; lower stem-leaves ternate and short-petioled, the upper often simple and subsessile, ovate, acute, and 3-lobed; hypanthium glabrous or finely pubescent; bractlets linear, scarcely half as long as the lanceolate acuminate sepals, which are 5-7 mm. long; petals white, elliptic or oblong, seldom exceeding the sepals; fruiting head 10-12 mm. in diameter; carpels 30-50, rarely more; receptacle hispid; body of the achenes 2.5-3.5 mm. long, more or less bristly; lower internode of the style 4—5 mm. long, glabrous, the upper scarcely 1 mm. long, with a few hairs.
Type locality : Cultivated in the botanical garden of Vienna.
Distribution: Banks and among bushes, from Nova Scotia to Georgia, Texas, Kansas, and the Black Hills of South Dakota; central Mexico.

Geum meyerianum Rydberg
Geum agrimonioides C. Meyer, Ind. Sem. Petrop. 11: Suppl. 29. 1846. Not G. agrimonioides Pursh. 1814.
Perennial, with a thick rootstock; stem 3-10 dm. high, more or less hirsute; leaves, except the upper cauline ones, pinnate, with 3-7 leaflets; leaflets acuminate, obovate, ovate, or rhombic, incised or variously laciniate, or the terminal leaflet rounded, the upper leaflets often confluent; upper stem-leaves ternate or 3-lobed, the leaflets or lobes oblong-lanceolate, acuminate, dentate or sub-incised; bractlets linear, minute, one-fourth to one-third as long as the lanceolate acuminate sepals, which are about 6 mm. long; petals white or ochroleucous, elliptic or oval, about 6 mm. long, 3-4 mm. wide; receptacle densely hairy at least above; body of the achenes hispid above; upper internode of the style hispidulous, the lower internode 4 mm. long, glabrous.
Type locality: New York.
Distribution: Quebec and Ontario to Pennsylvania and the District of Columbia.

Geum camporum Rydberg, sp. no v
Perennial, with a thick rootstock; stem 5-10 dm. high, more or less short-hirsute, branched above; branches in fruit ascending-spreading; blades of the basal leaves firm, either simple, rounded-cordate, 3-6 cm. long, or ternate with rhombic-obovate divisions, somewhat lobed, irregularly dentate, sparingly pubescent on both sides; lower stem-leaves ternate, shortpetioled, the upper simple, rhombic-ovate, often 3-lobed, more or less acuminate; stipules obliquely ovate, coarsely toothed; hypanthium finely pubescent; bractlets linear, onethird to one-half as long as the ovate, shortacuminate sepals; petals ochroleucous, 4-5 mm. long, about equaling or somewhat shorter than the sepals, broadly obovate or suborbicular; fruiting head 15-18 mm. broad; carpels 50-80; receptacle hispid; body of the achenes 3-3.5 mm, long, more or less hispid; lower internode of the style 3-5 mm. long, glabrous, the upper 1-1.5 mm. long, with a few hairs.
Type collected at Manhattan, Kansas, August 11, 1892, J. B. Norton (herb. Columbia Univ.). Distribution: Moist woods and among bushes in the prairie region, from South Dakota and Minnesota to Texas and Arkansas.