7. S. Pennsylvánica, L. (Swamp S.) Large (1–2° high); leaves oblanceolate, obscurely toothed (4–8´ long), narrowed at base into a short and broad petiole; cymes in a large oblong panicle, at first clustered; lobes of the nearly free calyx recurved, about the length of the linear-lanceolate (greenish) small petals; filaments awl-shaped, follicles at length divergent.—Bogs, N. Eng. to Va., west to Minn. and Iowa.
8. S. eròsa, Pursh. (Lettuce S.) Leaves oblong or oblanceolate, obtuse, sharply toothed, tapering into a margined petiole (8–12´ long); scape slender (1–3° high); panicle elongated, loosely flowered; pedicels slender; calyx reflexed, entirely free, nearly as long as the oval obtuse (white) petals; filaments club-shaped; follicles nearly separate, diverging, narrow, pointed, 2–3´´ long.—Cold mountain brooks, Penn. to Va. and N. C.
9. S. Forbèsii, Vasey. Stem stout, 2–4° high; leaves denticulate, oval to elongated oblong (4–8´ long); filaments filiform; follicles short, ovate; otherwise as in the last.—Shaded cliffs, near Makanda, S. Ill. (Forbes); E. Mo. (Lettermann.)
[+][+] Petals unequal, with claws, white, all or some of them with a pair of yellow spots near the base; leaves oblong, wedge-shaped or spatulate; calyx free and reflexed.
10. S. leucanthemifòlia, Michx. Leaves coarsely toothed or cut, tapering into a petiole; stems (5–18´ high) bearing one or more leaves or leafy bracts and a loose, spreading corymbose or paniculate cyme; petals lanceolate, the 3 larger ones with a heart-shaped base and a pair of spots, the 2 smaller with a tapering base and no spots.—Mts. of Va. to N. C. and Ga.
11. S. stellàris, L., var comòsa, Willd. Leaves wedge-shaped, more or less toothed; scape (4–5´ high) bearing a small contracted panicle, many or most of the flowers changed into little tufts of green leaves, petals all lanceolate and tapering into the claw.—Mt. Katahdin, Maine, north to Lab. and Greenland. (Eu.)
3. BOYKÍNIA, Nutt.
Calyx-tube top-shaped, coherent with the 2-celled and 2-beaked capsule. Stamens 5, as many as the deciduous petals, these mostly convolute in the bud. Otherwise as in Saxifraga.—Perennial herbs, with alternate palmately 5–7-lobed or cut petioled leaves, and white flowers in cymes. (Dedicated to the late Dr. Boykin of Georgia.)
1. B. aconitifòlia, Nutt. Stem glandular (6–20´ high); leaves deeply 5–7-lobed.—Mountains of southwestern Va. to Ga. and Tenn. July.