An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . ed2illustratedflo02brit Year: 1913 SAXIFRAGACEAE. Vol. 3. Heuchera villosa Michx. Hairy Ileuchera. Fig. 2175. H. villosa Michx. Fl. Bor. Am. i: 172. 1803. Stem erect, leafless, or rarely bearing a few small leaves below, generally villous- pubescent with brownish hairs, as are also the long petioles and the veins on the lower surfaces of the leaves. Basal leaves 3'-5' wide
An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian . ed2illustratedflo02brit Year: 1913 SAXIFRAGACEAE. Vol. 3. Heuchera villosa Michx. Hairy Ileuchera. Fig. 2175. H. villosa Michx. Fl. Bor. Am. i: 172. 1803. Stem erect, leafless, or rarely bearing a few small leaves below, generally villous- pubescent with brownish hairs, as are also the long petioles and the veins on the lower surfaces of the leaves. Basal leaves 3'-5' wide, ovate to orbicular, sharply or obtusely and deeply 7-g-lobed, the lobes dentate or serrate, the terminal lobe usually longer than wide; flowering calyx l'-ih' long, campanulate, regular; petals linear-spatu- late, white or nearly so, twice as long as the calyx-lobes or more; stamens much exserted. In rocky places, Virginia, West Virginia and Kentucky to Georgia and Tennessee. June- Sept. Called also American sanicle. 4. Heuchera macrorhiza Small. Big-rooted Heuchera. Fig. 2176. H. macrorhiza Small, Bull. Torr. Club 25 : 466. 1898. Stem erect, usually leafless, stout, from a very thick scaly rootstock, densely villous or hirsute- villous with usually sordid hairs. Basal leaves, 3'-8' wide, suborbicular in outline, shallowly lobed, with the terminal lobe usually wider than long, the teeth broad, mucronate; flowering calyx short-hairy, often larger than in H. villosa,_ regu- lar; petals linear or nearly so, about twice as long as the calyx-lobes or less; stamens much- exserted. On bliiflfs and river banks. West Virginia, Ken- tucky and Tennessee. July-Oct. Heuchera crinita Rydb., from Kentucky and ad- jacent states, seems to be a robust form of H. mac- rorh iza.
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