246 - - XLVIU. ROSACEA. Ross. 
B. oblongifolia. T.& G. (A.ovalis. Hook.)—Shrubby; Jvs. oblong-oval, mu- 
eronate, and with small, sharp serratures; rac. and fis. smaller; pet. oblong- 
obovate, thrice longer than the calyx. ’ a 
. rotundifolia. 'T. & G. Cre ovalis. Willd.)—Lws. broad-oval ; pet. linear- 
obleity —Sirab 10—20f high. . 
d. alnefolia. 'T. & G. (Aronia alnifolia. Nutt.)\—Shrubby or arborescent; dws. 
orbicular-oval, rounded or retuse at each end, serrate only near the apex; pet. 
linear-oblong; sta. very short. 
SuzorpeR II]1—ROSACE XH PROPER. 
- Ovaries solitary or several, distinct; fruit achenia or follicular. 
+10. ROSA. 5 ie 
Celtic rhos, red; Gr. podov ; Lat. rosa; Eng. rose. 
Calyx tube urceolate, fleshy, contracted at the orifice, limb 5-cleft, 
the segments somewhat imbricated in estivation, and mostly with a 
leafy appendage; petals 5, (greatly multiplied by culture); achenia 
00, bony, hispid, included in and attached to the inside of the fleshy 
tube of the calyx.—Shrubby and prickly. Leaves unequally pinnate. 
Stipules mostly adnate to the petiole. Eten 
* Native species. 
1. R. Carorina. (R. Caroliniana. Bw.) Carolina Rose. Swamp Rose. 
St. glabrous, with uncinate, stipular prickles; /fts. 5—9, oblong-lanceolate 
or elliptical, acute, sharply serrate, glaucous beneath, not shining above, peti- 
oles hairy or subaculeate; fls. corymbose; fr. depressed-globose, and with the 
peduncles hispid—A_ prickly (not hispid) shrub, in swamps and damp woods, 
Can. and U. 8., 4—8f high, erect and bushy, with reddish branches. Prickles 
mostly 2 at the base of the stipules. Leaflets 1—2/ long, 4 as wide, rather vari- 
able in form. Flowers in a sort of leafy corymb of 3—7. Petals obcordate, 
large, varying between red and white. Fruit dark red. Jn. Jl. 
2.R. Lucipa. Ehrh. (R.Caroliniana. Mz.not Bw.) Shining or Wild Rose. 
St. armed with scattered, setaceous prickles, those of the stipules straight; 
ifts. 5—9, elliptical, imbricate, simply serrate, smooth and shining above; peti- 
oles glabrous or subhispid; fs. generally in pairs (1—3); Pik depressed-globose, 
and with the peduncles, glandular hispid—Shrub 1—3f high, in dry woods or 
thickets throughout the U. S., slender, with greenish branches. Leaflets 1—1}/ 
long, 4 as wide, acute or obtuse, odd one petiolate, the others sessile. Sepals 
often appendiculate, as long as the large, obcordate, pale red petals. Fruit 
small, red. Jn. Jl. 
B. T. & G. (R. parviflora. Ehrh.)—Lfis. ova_, mostly very obtuse, paler be- 
neath; petioles smooth or pubescent. . 
3. R. nitipa. Willd. Shining or Wild Rose. 
St. low, densely armed with straight, slender, reddish prickles ; Ifts. 5—9, 
narrow-lanceolate, smooth and shining, sharply serrate; stip. narrow, often 
reaching to the lower leaflets; fis. solitary; cal. hispid; fr. globose.—In swamps, 
N. Eng. States. Stems 1—2f high, reddish from its dense armor of prickles. 
Leaflets 1—1}/ long, } as wide, subsessile, odd one petiolulate. Stipules 5—8” 
long, epaaie to the petiole, each side. Flowers with red, ebcordate petals. Fruit 
scarlet. Jn. er 
4. R. puanpa. Ait. (R. gemella. Linn.) Bland Rose. 
Taller; st. armed with scattered, straight, deciduous prickles; Ifts. 5—7, 
oblong, obtuse, serrate, smooth, but not shining above, paler and pubescent on 
the veins beneath, petiole unarmed; stip. dilated; fls. mostly in pairs (1—3); 
i globose, smooth, as well as the short peduncles.—Shrub found on dry, sunny 
ills, Northern and Middle States. Stems 2—3f high, with reddish bark. 
Flowers rather large. Sepals entire, shorter than the reddish, emarginate petals. 
Bracis large, downy. Jn. . - jens 
5. R. seticzra. Michx. (R. rubifolia. R. Br.) Michigan or Prairie Rose. 
Branches elongated, ascending, glabrous; spines few, strong, stipular ; /fts. 
