1.j2 SAXIFRAGACEiE. (SAXIFRAGE FAMILY.) 



lar, l-oclled, with 3 parietal placenta;, many-seeded, loculieidally 3-vnlved at the 

 apex. — A very small (i' liit;U) tufted annual herb, with alternate spatulatc 

 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. Alum-root. 



Calyx campanulate, coherent with the base of the ovary, 5-cIeft. Petals 5, 

 spatulatc. Stamens 5. Styles 2. Capsule 1 -celled, witli 2 parietal placenta;, 

 many-seeded, 2-beaked, opening between the beaks. Seeds rough or hisi)id. — 

 Perennial herbs, with erect scape-like stems. Leaves chiefly radical, long-pcti- 

 oled. roundish cordate, lobed or toothed. Stipules adnate to the petioles. Flow- 



(ivs cymose-panicled. 



* Ctili/x eqital-suled. 



1. H. Americana, L. Rough-pubescent; scape leafless ; leaves crcnately 

 or acutely 7 - 9-lobcd and toothed, the teeth mucronate ; panicles long, narrow, 

 loosely-flowered ; calyx as long as tlie white spatulatc 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 2° -3° hi;,^h, sometimes with one or two leaves. Leaves 2' -4' wide, 

 bn petioles 4' -12' long. 



2. H. villosa, IMiclix, Scape bracted or somewhat leafy, and, like the 

 petioles and lower surface of the leaves, shaggy with long spreading rusty hairs ; 

 leaves sharply 5 - 7-lobcd and toothed , panicle loose ; flowers minute ; petals 

 white, very narrow, about as long as the stamens; styles elongated. (II. caules- 

 cens, Pursh ) — Mountains of North Carolina and Tennessee. June and July. 



— Scape 1° - 3° 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 jjaniclc long, racemose, spreading ; petals purple ' spatulatc- 

 lanceolatc, scarcely longer than the calyx ; stamens slightly pubescent. (H. 

 caulesccns, ^, Torr. ,^^ ('™!l) — Buncombe County, North Carolina, Curtis. — 

 Flowers larger than the last. 



* ♦ Cuhjx ohliqne. 



4. H. pubescens, Pursh. Glandular-puberulent; stem (2°) Icnfy ; leaves 

 round-cordate, acutely .') - 7-lobed and toothed, with the sinus closed ; stipules 

 obtuse, fringed ; flowers nodding ; calyx ovoid, yellowish-green, the ovate lobes 

 obtuse; petals spatulatc, white, and, like the smooth stamens and styles, includ- 

 ed. — Mountains of North Carolina, and northward. June and July. 



.*>. H. hispida, Pursh. Hirsute or minutely glandular-i)ubesccnt ; leaves 

 5-9-Iobcd, the lobes short, rounded, and mucronntely toothed; panicle con- 

 tracted ; the short branches few-flowered ; petals broadly spatulatc, purple, rather 

 shorter than the more or less exserted stamens ; styles at length much exsertcd. 



— High tnountains of North Carolina. May and June. — Scape 2° - 3° higli, 

 sometimes smoothish, as well us the netioles. Flowers larger tliun any of the 

 preceding. 



