134 KOSACE.E. (kOSE FAMILY.) 



3. A. incisa, IVirr. & tiriiy. Stem, petiolew, aii<l lower surface of the 

 leaves ilotlied witli soft dowu ami Imig hairs intcrinixed ; leaHets 7-9, small 

 (r long), ohloii;;' or obovate, coarsely serrate, with smaller ouea betweeu ; sta- 

 mens 5. — Dry o])eu woods, in the lower districts, Georgia, and westward. 

 August. — Stem 2° high. Flowers small. 



8. POTERIUM, L. 



C'aly.x 4-i)arted, the tube 4-angleil. Tetals none. Stamens 4, the filaments 

 usually thickened ujnvard. Style terminal, slender. Stigma pencil form. 

 Achenia 1-2, included in the 4-winged indurated calyx tube. — Herbs, with 

 une({ually pinnate leaves. Flowers in close heads or spikes. 



1. P. Canadense, 15enth.& Hook. Smooth; leaflets numerous, stalked, 

 cordate-ovate or oblong, serrate ; spikes long-pedunded, cylindrical, elongated 

 in fruit; stamens flattened. — Wet meadows, along the mountains. Sept. 

 11 — Stem 2° -4° high. Lowest leaves on long ])etioles. Flowers white. 



9. ALCHEMILLA, Tuurn. 



Calyx 4-5-parted, and with as many alternate bracts; the tube obconical, 

 contracted at the throat. Petals none. Stamens 1 -4. Style lateral. Stigma 

 capitate. Achenia 1-4, included in the persistent calyx-tube. — Small herbs, 

 with palmately divided leaves, and minute greenish flowers in corymbs or 

 clusters. 



1- A. arvensis, L. Annual, hairy; stem (I'-S' high) leafy; leaves 

 3-parted, the divisions wedge-shaped, 3 - 5-lobed ; flowers in axillary sessile 

 clusters ; fertile stamens 1-2. — Waste places, North Carolina. Introduced. 

 — Stem branching from the base. Leaves 4" -6" long. 



10. GEUM, L. AvExs. 



Calyx campanulate, deeply .'i-cleft, and usually with as many bracts at the 

 sinuses. Petals 5. Stamens and achenia numerous, the latter crowded on 

 the conical or cylindrical dry receptacle. Styles terminal, long, persistent, 

 jointed and hairy, or straight and smoothish. Seeds erect. — Perennial herb.s, 

 witli ])innately divided leaves. Flowers yellow, white, or pnrfde. 



1. G. vernum, Torr. & Gray. Stems a.scending. hairy, 6' -12' high; 

 lowest leaves pinnate or round-cordate, the Upper 3-5-foliate; flowers few and 

 small ; petals yellow, as long as the calyx ; head of achenia globose, raised on 

 a slender stipe ; receptacle glabrous. — Woods and copses, Tennessee. March - 

 April. 



2. G. Virginianum, L. Stem stouter, hirsute ; stem leaves 3-parted, 

 petals shorter than the calyx; heads of fruit larger, on stouter peduncles; 

 receptacle smooth ; otherwise like the next. — Wet woods, North Carolina 

 (Hyama). 



3. G. album, Hmelin. Smoothish or downy ; stem slender, with spread- 

 ing branches; radical leaves pinnate, or the earliest ones nearly simple and 

 rounded ; stem-leaves 3-parted, lobed or toothed ; petals white, as long as the 



