ROSE FAMILY. 125 



heart-shaped ; flowers racemed, rather large, with short bracts ; fmit oblong 

 or cylindrical. 



R. Canadensis, Low B. or Dewberry. Kocky and sandy soil : long- 

 trailing, slightly prickly, smooth or smoothish, and with 3-7 smaller leaflets 

 than in the foregoing, the racemes of flowers with more leaf-like bracts, the fruit 

 of fewer grains and ripening earlier. 



R. CUneif61ius, Sand B. Sandy ground and barrens from N. Jersey S. : 

 erect, l°-3-' high, with stout hooked prickles ; the branchlets and lower surface 

 of the 3-5 wedge-obovate thickish leaves whitish-woolly ; peduncles 2-4- 

 flowered. 



R. trivi^lis. Southern Low B. Sandy soil from Virginia S. : trailing 

 or creeping, bristly and prickly ; the smooth partly evergreen leaves of 3 - 5 

 ovate-oblong or lance-oblong leaflets ; peduncles 1 - 3-flowered. 



* * Stems scarcely woody but lasting over winter, wholly prostrate : fruit sour. 



R. hispidus, Running Swamp B. Low woods, &c. N. : with very long 

 and slender running stems, beset with small reflexed prickles, sending up short 

 leafy and flowering shoots ; leaves of mostly 3 obovate blunt smooth and shin- 

 ing leaflets, of flrm and thickish texture, somewhat evergreen ; flowers small and 

 few on a leafless peduncle ; fruit of few grains, red or purple. 



§ 4. Flowering Bramble : cultivated for the flowers only. 



R. rosaefolius, from China, called Brier Rose. Cult, in greenhouses 

 and apartments, has pinnate leaves, and bears a succession of full-double white 

 flowers resembling small roses. 



11. ALiCIIEIMILXiA. (Name said to come from the Arabic.) A minute 

 annual species, A. arvensis, called Parsley Piert in England, has got 

 introduced in Virginia, &c. 



A. vulgaris, Lady's Mantle, from Europe, is cult, in some gardens ; 

 it is a low herb, not showy, with somewhat downy rounded slightly 7 - 9-lobed 

 leaves chiefly from the root, on long stalks, and loose corymbs or panicles of 

 small light green flowers, through the summer. 21 



12. AGRIMONIA, AGRIMONY. (Old name, of obscure meaning.) 

 Weedy herbs, in fields and border of woods, producing their small yellow 

 flowers through the summer ; the fruiting calyx, containing the 2 akenes, 



■ detached at maturity as a small bur, lightly adhering by the hooked bristles 

 to the coats'of animals. ^ 



A. Eupatdria, Common A. Principal leaflets 5-7, oblong-obovate and 

 coarsely toothed, with many minute ones intermixed ; petals twice the length 

 of the calyx ; stamens 10-15. 



A. parvifldra, chiefly S., has smaller flowers, 11-19 lanceolate principal 

 leaflets, and 10-15 stamens. 



A. inclsa, only S., has 7-9 oblong or obovate and smaller principal leaf- 

 lets, small flowers, and 5 stamens. 



13. POTERIUM, BURNET. (Old Greek name, of rather obscure appli- 

 cation.) ^ 



P. Sanguisdrba, Garden or Salad B. Common in old gardens, from 

 Europe : nearly smooth, growing in tufts ; leaves of many small ovate and 

 deeply toothed leaflets ; stems about 1° high, bearing a few heads of light 

 green or purplish monoecious flowers, in summer, the lower flowers with nu- 

 merous drooping stamens, several of the uppermost with pistil, the style ending 

 in a purple tufted stigma. 



P. Canad^nse, or SANGris6RBA Canadensis, Canadian or Wild B. 

 Wet grounds N. : 3° - 6° high, nearly smooth, with numerous lance-oblong 

 coarsely-toothed leaflets often heart-shaped at base, and cylindrical spikes of 

 white perfect flowers, in late summer and autumn ; stamens only 4, their long 

 white filaments club-shaped. 



