1^4 b.i-XIFKAGACE.'L. (SAXIKKAGE FAMILY.) 



5. ASTILBE, Hamilton. 



Flowers polyj^.imo-dicccious. Calyx campanulatc, 5-partocl, ncai'ly free from 

 the ovaiy. Petals 5, spatulatc, ■witliorin^-pcrsi.stent. Stamens 10, exscrted. 

 Styles 2. Capsule 2-eelIeil, few-seeded. Seed-eoat loose and thin. — Perennial 

 herhs, with ternately compound leaves, and small yellowish-white flowers, in 

 paniclcd racemes. 



1. A. decandra, Don. — Banks of streams among the mountains of 

 Crcorgia and North Carolina. June -August. — Stem 3° -5° high. Leaves 

 twice or thrice ternately compound ; the leaflets mostly cordate-ovate, sharj)ly 

 lobed and toothed. Stigmas of tiie sterile flowers and the stamens and petals of 

 the fertile ones smaller or rudimentary. 



6. TIARELLA, L. False Mitre-wort. 



Calyx campanulate, nearly free from the ovary, .5-pai-tcd. Petals 5, entire. 

 Stamens 10. Styles 2. Capsule membranaceous, 2-valved, the valves very un- 

 equal, 1-celled, few-seeded. Seeds globular, smooth. — Perennial herbs, with 

 scape-like stems, chiefly radical and petioled leaves, and small racemose flowers. 



1. T. COrdifolia, L. Leaves round-cordate, crenatcly or acutely lobed 

 and toothed, hairy above, pubescent beneath, on long hairy petioles ; scape (6'- 

 12' high) naked, or bearing 1-2 alternate leaves above the middle; racemes 

 simple or branched, many-flowered ; petals oblong, white or purplish. — Rocky 

 woods and banks, Mississippi, and northward along the mountains. April 

 and May. 



7. MITELLA, Toum. Mitre-wort. 



Calyx coherent with the base of the ovaiy, .5-cleft. Petals 5, pinnatifid. Sta- 

 mens 10. Styles 2. Capsule 2-beaked, 1-celled, 2-valvc(l at the apex, many- 

 seeded. Seeds smooth, borne on two parietal placentae. — Perennial herbs, with 

 broadly cordate and lobed leaves, and small flowers in a terminal raceme. 



1 . M. diphylla, L. Hairy ; radical leaves cordate, acute, coarsely ser- 

 rate and slightly 3-lol)ed, on long petioles ; stem-leaves 2, opposite, sessile ; 

 raceme slender, loosely many-flowered. — Shady woods, on the mountains of 

 North Carolina, and northward. May. — Stem C - 12' high. Flowers white. 



8. CHRYSOSPLENIUM, Toum. Golden S.vxifrage. 



Calyx-tube coherent with the ovary, 4 - .')-lobc<l ; the lobes obtuse and yellow 

 within. Petals none. Stamens 8-10, very short, inserted on a cons])i{ nous 

 disk. Styles 2. Capsule very short, 2-lohed, 1-celled, with 2 parietal plnrenta!, 

 2-valvcd at the apex, many-seeded. — Smooth and succulent herbs, witii round- 

 ish leaves, anrl axillary flowers. 



1. C. Americanum, Hchweinitz. Stems prostrate, forking; leaves mostly 

 0|)posite, roundish, slightly lobi'd ; flowers solitary, greenislL — Cold and shady 



