OBDEE 47. ROSACE^E. 337 



22 R Gallica L. COMMON FRENCH ROSE. St. and petioles armed with 

 numerous, fine, scattered prickles ; Ifts. mostly 5, elliptical or oval, thick ; fls. 

 erect ; petals, large, spreading ; sep. ovate ; fr. ovoid and with the peduncles 

 hispid. The common red rose of gardens, from which have originated not less 

 than 300 varieties, known in cultivation, and registered in catalogues, as the 

 Velvet, Carmine, Carnation, &c. Many of them are beautifully variegated, as the 

 Tricolor, York and Lancaster, Nosegay, Picotee, &c. The dried petals are used in 

 medicina, and from them are extracted tinctures for cooking. Jn., Jl. 



23 R. pimpinellifolia Ser. SCOTCH, or BTJENET ROSE. St. densely armed 

 with straight, acerose prickles; Ifts. 5 to 9, roundish-obtuse, smooth, simply 

 serrate ; fls. small, usually roseate, but changing in the numerous varieties to 

 white, red or yellow. Native of Scotland and other parts of Europe. These 

 shrubs are but 2 to 3f high, with small, delicate leaflets. Fls. numerous, 

 globular, very fine, of all colors, even yellow. May, Jn. (R. spinosissima L.) 



24 R. Banksia L. BANKS' ROSE. Smooth; Ifts. lanceolate, crowded, 3 to 

 5, scarcely serrate ; stip. deciduous ; fls. umbellate ; fr. globular, nearly black. 

 From China. Thornless shrubs, with small, cup-shaped fls. Not hardy. 



16. AGRIM(TNIA, L. AGRIMONY. (Gr. aypbg, a field, novog, alone, 

 a name of dignity for its medicinal qualities-) Calyx tube turbinate; 

 contracted at the throat, armed with hooked bristles above, limb 5- 

 cleft, connivent in fruit; petals 5 ; stamens 12 to 15 ; ovaries 2; styles 

 terminal; achenia included in the indurated tube of the calyx. 11 

 Lvs. piunately divided. Fls. yellow, in long, slender racemes. 



1 A. Eupatoria L. Hirsute ; Ivs. interruptedly pinnate, upper ones 3-foliate, 

 Ifts. 5 to 7, lance-oval or obovate, with small ones interposed, coarsely dentate ; stip. 

 large, dentate ; petals twice longer than the reflexed calyx. Roadsides, borders 

 of fields, Can. and U. S., common. St 1 to 3f high, branching, leafy. Lfts. 

 nearly smooth beneath, 1 to 3' long, as wide, sessile, terminal one with a 

 petiolule 1 to 3" long. Rac. 6 to 12' long, spicate. Fls. yellow, about 4" diam. 

 on very short pedicels. Calyx tube curiously fluted with 10 ribs, and sur- 

 mounted with reddish, hooked bristles. Jl. 



/?. HIRSUTA Torr. Smaller and more hairy. 



y. PARVI FLORA. Hook. Less hairy; fls. smaller, on longer pedicels. (A. par- 

 viflora DC.) 



2 A. parviflora Ait. St. and petioles hirsute ; Ivs. interruptedly pinnate ; Ifts. 

 numerous (9 to 17), crowded, pubescent beneath, linear-lanceolate, equally and in- 

 cisely serrate, with small ones interposed: stip. acutely incised; rac. spicate- 

 virgate ; fls. small; petals longer than the erect calyx; fr. hispid. Woods and 

 dry meadows, Penn. to S. Car. "W. to Iowa and Tenn. Sts. 3 to 4f high, the 

 hairs spreading, "brownish and glandular. I^fts. 2 to 3' by \ to -', with smaller 

 ones intermixed. Petals yellow. The plant has an agreeable balsamic odor. 

 Aug. (A. suaveolens Ph.) 



3 A. incisa Torr. -& Gr. Pubescent and hirsute; Ivs. interruptedly pinnate ; Ifts. 

 7 to 11. with smaller ones interposed, oblong, incisely pinnatijid, canescent 

 beneath ; stip. deeply cleft ; fls. small, remote, nearly sessile in the slender 

 racemes. N. Car. to'Fla. (at Macon, Ga.) Fls. rather larger than in Xo. 2. CaL 

 segm. very short. JL, Aug. 



17. DRY^AS, integrifolia Yahl. On the White Hills of N. H. 

 Prof. Pick (Pursh), but never since seen within our limits. 



18. GE'UM, L. AVEXS. (Gr. yerw, to taste well ; in allusion to the 

 taste of the roots.) Calyx 5-cleft, with 5 alternate segments or bract-lets 

 smaller and exterior ; petals 5 ; stamens oo ; achenia GO, aggregated on 

 a dry receptacle, and caudate with the persistent, mostly jointed, geni- 

 culate and bearded style. 2| Lvs. pinnately divided. 



22 



