140 ROSE FAMILY 



teeth minutely serrulate, upper side dull, smooth, lower side paler, some- 

 what silky and resinous, glandular, usually wedge-shaped, broadly acute, 

 base wedge-shaped or more often rounded, or cordate, upper leaflets 2-5 

 cm. long, 1.5-2.5 cm. broad, lower leaflets one-third to two-thirds as 

 large; petiole and rachis glandular, with or without long silky hairs; 

 stipules simple, usually widely dilated, a pair of stipules often 1.5 cm. 

 broad, occasionally narrow, thin, veiny, glandular, and sometimes also 

 woolly pubescent, the margin roughened by glands but usually otherwise 

 entire; flowering shoots borne on the old wood, flowers solitary or rarely 

 in clusters of 2-3, pedicel of the flower and outside of receptacle smooth 

 or rarely glandular, sepals usually simple, somewhat broadened at the 

 tip, 2-3 cm. long, glandular on the outside and sometimes finely pubescent 

 within, petals bright pink, flower 5-7 cm. across; calyx persistent in fruit, 

 sepals erect, fruit elongated, tapering at the base, about 1.5 cm. in 

 diameter ; achenes thick, very light colored, about 4 mm. long : acicu- 

 1 a r i s, furnished with needles. 



In the variety R. acicularis Bourgeauiana Crepin the 

 fruit is round and the leaves are usually soft pubescent as well as glan- 

 dular. 



Thickets and woods, Anticosti to Alaska, south to Vermont, the region 

 about the Great Lakes and Colorado ; in Siberia growing within 300 miles 

 of the Arctic Ocean. In Minnesota occurring in the northern and north- 

 eastern parts of the state, chiefly in the region of evergreen forests. 



Forms apparently intermediate between this rose and R. a r k a n s a n a 

 occur in the northern Red River Valley. 



Rosa Woodsii L i n d 1 c y 1820 

 R. Fendleri Crepin 1876 



Stems 2-9 dm. high, young woody twigs reddish brown or purple red, 

 older twigs becoming grayish with the peeling of the epidermis, prickles 

 straight or slightly bent at the base, 2-12 mm. long, infrastipular prickles 

 well developed, often the only ones present on flowering branches, young 

 shoots from the rhizome often with numerous other prickles, some of them 

 as large as the infrastipular ones; leaves with 5-9 leaflets, leaflets elliptical, 

 with stalks 1-2.5 mm. long, thin, sharply and simply serrate except at the 

 base, upper side dull, lower side whitish, downy pubescent, the midrib 

 and principal veins somewhat prominent beneath, tip rounded, base 

 rounded or somewhat wedge-shaped, upper leaflets 1-3 cm. long, 6-18 mm. 

 wide, lower leaflets somewhat smaller, petiole and rachis finely woolly 

 pubescent and often bearing a few slender prickles, stipules entire or 



