. 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 102d meridian. Botany; Botany. 225 SAXIFRAGACEAE. Vol. 3. Heuchera villosa Michx. Hairy Heuchera. 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 orbi
. 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 102d meridian. Botany; Botany. 225 SAXIFRAGACEAE. Vol. 3. Heuchera villosa Michx. Hairy Heuchera. 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 7-9-lobed, the lobes dentate or serrate, the terminal lobe usually longer than wide; flowering calyx i"-i4" 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. macrorhisa 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 bluffs 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- Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Britton,
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1913
