*k 7. Rosa ( Tourn.) L. The Roseg 
sg | 
Se 
Erect shrubs the stems 
prickles. Leaves alternate, 
less adnate to the petiole, 
showy, perfect, solit 
usually armed with Straight or our 4 
Odd=pinnate, the Stipules Prominent, more or | 
the leaflets Singly or doubly serrate. ' Flowers 
ary or in few-flowered Corymbs. Calyx-tube forming an 
or ellipsoid receptacle, narrowed at the throat, ; 
» becoming highly colored and Somewhat fleshy at 
maturity} Sepals 5, prominent, persistent or deciduous in fruit, Petals | 
i of the calyx-tub, 
be | each forming an 
¢ 
O Corolla 2.5-4 Cme across; 
Sepals deciduous in fruit; 
4 tie achenes glabrous 
ee Bymnocary 
O Corolla 4-8 om, across; sepals not deciduous; tie 
4 achenes Silky 
® Stems with paired prickle 
S at the base of most 
G or many of the leaves 
4 Sepals 1.5-4 Cme long; fruit 1.5-2 om. 
= ¢ in diameter; flowers never more than 3 
~ \in each corymb 
& Re mtkana 
4 Sepals .6-1.5 om. long; fruit 8-12 mm. in 
g ( diameter; flowers sometimes solitary, 
usually several in each corymb 3. Re ultramontay 
2 Stems without paired Prickles, covered with 
(, fine Straight and Scattered bristles 
4. Re acicularis’ 
s 
ao 
ee 
