152 SAXIFRAGACEJE. (SAXIFRAGE FAMILY.) 
lar, I-celled, with 3 parietal placentae, many-seeded, loculicidally 3-valved at the 
apex.— A very small (3 high) tufted annual herb, with alternate spatulate - 
leaves, and solitary terminal white flowers. 
1. L. spathulatum, Ell.— Close damp soil, Georgia (near Savannah) 
and South Carolina. March and April. 
2. HEUCHERA, L. Jiíu abet: 
Calyx campanulate, coherent with the base of the ovary, 5-cleft. Petals 5, 
spatulate. Stamens 5. Styles 2. Capsule 1-celled, with 2 parietal placent, 
many-seeded, 2-beaked, opening between the beaks. Seeds rough or hispid. — 
Perennial herbs, with erect scape-like stems. Leaves chiefly radical, long-peti- 
oled, roundish cordate, lobed or toothed. Stipules adnate to the petioles. Flow- 
ers cymose-panicled. : 
* Calyx equal-sided. 
.1. H., Americana, L. Rough-pubescent ; scape leafless ; leaves crenately 
or acutely 7 — 9-lobed and toothed, the teeth mucronate ; panicles long, narrow, 
loosely-flowered ; calyx as long as the white spatulate petals, much shorter than. 
the stamens and very slender styles. — Shady rocky places in the middle and 
upper districts, Mississippi to North Carolina, and northward. April and May. 
— Scape 29-39 high, sometimes with one or two leaves. Leaves 2/-4/ wide, 
on petioles 4' - 12' long. 
2. H. villosa, Michx. Scape bracted or somewhat leafy, and, like the - Su 
petioles and lower surface of the leaves, shaggy with long spreading rusty hairs; 
leaves sharply 5-7-lobed and toothed , panicle loose; flowers minute ; petals 
white, very narrow, about as long as the stamens; styles elongated. (H. caules- 
cens, Pursh.) — Mountains of North Carolina and Tennessee. June and July. 
— Scape 19 - 39 high. Leaves 3' -8' wide. Flowers about a line in length. 
3. H. Curtisii, Gray. Scape and petioles smooth ; leaves slightly lobed; 
branches of the panicle long, racemose, spreading ; petals purple ? spatulate- 
lanceolate, scarcely longer than the calyx ; stamens slightly pubescent. (H. 
caulescens, B, Torr. § Gray.) — Buncombe County, North Carolina, Curtis.— 
. Flowers larger than the last. 
* * Calyx oblique. 
4. H. pubescens, Pursh. Glandular-puberulent; stem (2°) leafy; leaves 
round-cordate, acutely 5 - 7-lobed and toothed, with the sinus closed; stipules - 
obtuse, fringed ; flowers nodding ; calyx ovoid, yellowish-green, the ovate lobeS — 
obtuse; petals spatulate, white, and, like the smooth stamens and styles, includ- — — 
ed.— Mountains of North Carolina, and northward. June and July. 
5. H. hispida, Pursh, Hirsute or minutely glandularpubeseent; leaves ——— 
5-S-lobed, the lobes short, rounded, and mucronately toothed; panicle cou — 
tracted ; the short branches few-flowered ; petals broadly spatulate, purple, rather —— 
shorter than the more or less exserted stamens ; styles at length much exserted. — 
— High mountains of North Carolina. May and June. — Scape 29 —39 high, 
_ Sometimes smoothish, as well as the petioles. Flowers larger than any of the 
