152 6AXIFRA.GACEJE. (SAXIPRAGK FAMILY.) 



]jir, 1 •celled, with 3 parietal placentas, many-seeded, loculiddaHy 3-valved at the 



apex. — A very small (',' high) tufted annual herb, with alternate spatulate 

 leaves, and solitary terminal white flowers. 



1. L. spathulatlim, E1L — 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-cleft. Petals 5. 

 spatulate Stamens ">. Styles 2. Capsule 1 -celled, with 2 parietal placenta-., 

 many-seeded, 2-bcaked, opening hetween the heaks. Seeds rough or hispid. — 

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

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

 ers eymose-paniclcd. 



* Calyx equcd-nded. 



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

 or acutely 7-9-lobcd 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 2° -3° high, sometimes with one or two leaves. Leaves 2' -4' wide, 

 on petioles 4' -12' long. 



2. H. villosa, Michx Scape hractcd 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- 

 cent Pxarsh ) — 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 panicle long, racemose, spreading; petals purple '' spatulate- 

 lanceolate, scarcely longer than the calyx ; stamens slightly pubescent. (II 

 canlescens, ,1 Torr. .}• (inn/ ) — Buncombe County, North Carolina, Curds. — 

 Flowers larger than the last 



* * Cafi/r oUique. 



4. H. pubescens, Pursh. Glandular-pubcrulent; stem (2°) leafy : 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 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 glandular-pubescent; leaves 



5-9-lobed, the lobes short, rounded, and mucronately toothed; panicle con- 

 tract. .I ; 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 2° - 3° high, 

 SOmetimei smoothisb, as well as the petiokl. Flowers larger than any of the 



ling. 



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