Calyx bell-shaped, the tube cohering at the base with the ovary, 5-cleft. Petals 5, spatulate, small, entire. Stamens 5. Styles 2, slender. Capsule 1-celled, with 2 parietal many-seeded placentæ, 2-beaked, opening between the beaks. Seeds oval, with a rough and close seed-coat.--Perennials, with the round heart-shaped leaves principally from the rootstock; those on the stems, if any, alternate. Petioles with dilated margins or adherent stipules at their base. Flowers in small clusters disposed in a prolonged and narrow panicle, greenish or purplish. (Named in honor of _John Henry Heucher_, a German botanist of the beginning of the 18th century.) [*] _Flowers small, loosely panicled; stamens and styles exserted; calyx regular._ 1. H. villòsa, Michx. Stems (1--3° high), petioles, and veins of the _acutely_ 7--9-lobed leaves _villous with rusty hairs_ beneath; calyx 1½´´ long; _petals spatulate-linear, about as long as the stamens_, soon twisted.--Rocks, Md. to Ga., west to Ind. and Mo. Aug., Sept. 2. H. Rugélii, Shuttlw. Stems slender, ½--2° high, glandular-hirsute, as well as the petioles, etc.; _leaves round-reniform, with 7--9 short and broad rounded lobes_; flowers very small (1´´ long); petals linear-spatulate, twice as long as the calyx-lobes; fruit narrow.--Shaded cliffs, S. Ill. to Tenn. and N. C. 3. H. Americàna, L. (COMMON ALUM-ROOT.) Stems (2--3° high), etc., _glandular_ and more or less _hirsute with short hairs_; leaves roundish, with short rounded lobes and crenate teeth; _calyx very broad_, 2´´ long, the _spatulate petals not longer than its lobes_.--Rocky woodlands, Conn. to N. C., west to Minn., Mo., and Miss. [*][*] _Flowers larger, in a very narrow panicle; calyx (3--4´´ long) more or less oblique; stamens short; leaves rounded, slightly 5--9-lobed._ 4. H. híspida, Pursh. Stems 2--4° high; _hispid or hirsute_ with long spreading hairs (occasionally almost glabrous), scarcely glandular; _stamens soon exserted, longer than the spatulate petals_.--Mountains of Va. and N. C., west to Minn. and E. Kan. May, June. 5. H. pubéscens, Pursh. Stem (1--3° high) and petioles _granular-pubescent or glandular above_, not hairy, below often glabrous; _stamens shorter than the lobes of the calyx_ and the spatulate petals.--Rich woods, in the mountains, from Penn. to Ky., and southward. June, July. 8. CHRYSOSPLÈNIUM, Tourn. GOLDEN SAXIFRAGE. Calyx-tube coherent with the ovary; the blunt lobes 4--5, yellow within. Petals none. Stamens 8--10, very short, inserted on a conspicuous disk. Styles 2. Capsule inversely heart-shaped or 2-lobed, flattened, very short, 1-celled with 2 parietal placentæ, 2-valved at the top, many-seeded.--Low and small smooth herbs, with tender succulent leaves, and small solitary or leafy-cymed flowers. (Name compounded of χρυσός, _golden_, and σπλήν, _the spleen_; probably from some reputed medicinal qualities.)