Not Adans. 1763.]

Perennial glandular herbs, with unequally pinnate leaves and cymose flowers. Calyx-tube short and broad. Bractlets, calyx-lobes and petals 5. Petals neither clawed nor emar-ginate. Stamens 20-30, in 5 clusters on the thickened margin of the 5-angled disc; filaments filiform; anthers flat. Receptacle hemispheric or somewhat elongated, bearing numerous pistils. Style nearly basal; stigma minute. Seed orthotropous, ascending. [Greek, woodland beauty.]

About 30 species, natives of the north temperate and subarctic zone. Besides the following, some 25 others occur in western North America. Type species: Drymocallis rubricaulis Fourr.

1. Drymocallis Agrimonioides (Pursh) Rydb. Tall Or Glandular Cinquefoil

Fig. 2260

Geum agrimonioides Pursh. Fl. Am. Sept. 351.

1814. Potentilla arguta Pursh, Fl. Am. Sept. 736. 1814. Drymocallis agrimonioides Rydb. N. A. Fl. 22:

368. 1908.

Erect, stout, simple or little-branched above, glandular and villous-pubescent, 1°-4° high. Stipules membranous; basal leaves slender-petioled, pinnately 7 - 11 - foliolate; leaflets ovate, oval or rhomboid, obtuse at the apex, the terminal one cuneate, the others rounded at the base and commonly oblique, all sharply incised-dentate; stem-leaves short-petioled or sessile, with fewer leaflets; flowers white, densely cymose, terminal, numerous, short-pedicelled, 5" - 7" broad; calyx-lobes ovate, acute, shorter than the obovate petals; stamens 25 - 30, borne on the glandular disk; style nearly basal and fusiform-thickened; achenes glabrous.

On dry or rocky hills, New Brunswick to Mackenzie, south to Virginia, Illinois, Kansas and Colorado. June-July.

1 Drymocallis Agrimonioides Pursh Rydb Tall Or Gla 602