1,'>4 SAXIl'UAr.ACK/E. (sAXirUAOK lAMII.V.) 



5. ASTILBE, Ihimilton. 



Flowers polypaTno-<lia'(ions. Calyx rainpanulatc, 5-partccl, nearly frc« from 

 the ovary. Tctals 5, .spatnlatc, witlieriiifi-pcrsistent. Stamens 10, cxsertud. 

 Styles 2. Capsule 2-cellcil, few-seeded. Seed-coat loose and thin. — I'ercnnlal 

 herbs, with ternatcly (•omi)ound loaves, and .small yollowisii-wliite llowers, in 

 panicled raccnK's. 



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

 Georgia and Xortli Carolina. June -August. — Stem 3°-.">° high. Leaves 

 twiec or thriee ternately compound ; the leaflets mostly cordate-ovate, sharply 

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

 the fertile ones smaller or rudimentary. 



6. TIARELLA, L. Fai.sk ^[itre-woijt. 



Calyx campanulatc, nearly free from the ovary, .'i-partcd. Petals 5, entire. 

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

 equal, 1-cellcd, 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, crenately or acutely lobed 

 and toothed, liairy 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 purpli.sh. — Eocky 

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

 and May. 



7. MITELLA, Toum. Mitre-wort. 



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

 mens 10. Styles 2. Capsule 2-bcaked, 1 -celled, 2-valved 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 sligiitly .3-lobed, 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 6' - 12' high. Flowers white. 



8. CHRYSOSPLENIUM, Tourn. Golden Saxifrage. 



Calyx-tube coherent with the ovary, 4 - .'i-lobcd ; the lobes obtuse and yellow 

 within. Petals none. Stamens 8- 10, very short, inserted on a conspicuous 

 disk. Styles 2. Capsule very short, 2-lobed, 1 -celled, with 2 parietal placenta, 

 2-valved at the apex, many-seeded. — Smooth and succulent herbs, with round- 

 ish leaves, and axillary flowers. 



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

 opposite, roundish, slightly lobed; flowers solitary, greenish. — Cold and shady 



