64 RYDBERG: NOTES ON ROSACEAE—XIV 
Stem densely bristly even in age; stipules, 
es, and rachis often glandular- 
granuliferous; flowers solita 
Hypanthium decidedly pebrehatied or 
elliptic, acute at the base, with a 
distinct neck at the to . 
] eran 
liferous, but éearcaly at all a 
beneath, rounded-oval, often double- 
toothed. 
Leaflets densely pubescent only rarely 
slightly glandular beneath, mostly 
elliptic, simple-toothed. 
Hypanthium subglobose, almost without 
a neck; leaflets “Restate ding 
as well as pubescent bene 
Stem unarmed or when young norte covered 
more or amet deciduous prickles; 
s solitar 
Leaflets ‘decidedly pe finely pubescent 
ben 
Leaflets fabs on both sides, glossy. 
Infrastipular prickles p t 
Hypanthium Ghia neck usually obsole 
Stipules, petiole, and rachis copiously Saas 
ar; leaflets a double-toothed with 
gland-tipped tee 
_ Stipules, petiole, and a not ee 
glandular, the first sometim 
slightly gland-toothe 
Leaflets glabrous or nearly so 
Leaflets finely puberulent beneath. 
Young shoots armed with stout flat 
prickles; fruit about 15 mm. broad. 
Young shoots merely bristly; fruit 
rarely more than 10 mm. broad. 
Hypanthium cossiae pyriform or elliptic, with 
a distinct neck. 
16. R. Engelmannt. 
. R.acicularis. 
_ 
~I 
18. R. Bourgeauiana. 
9. R. blanda. 
20. R. subblanda, 
Lead 
21. R. Fendlert. 
22. R. Woodsit. 
23. R. terrens. 
24. R. Macountt. 
25. R. pyrifera. 
9. Rosa suBGLAUCA Rydberg 
This is related to R. arkansana Porter and R. suffulta Greene; 
from the former it differs in the decidedly obovate leaflets, 
rounded at the apex and more coarsely toothed; from the latter 
in the glabrous leaves; and from both in the glaucous foliage. 
ASKATCHEWAN: Six miles east of Battle River, August 15, 
1906, Macoun & Herriot 70942, 70043; Breakmore, July 18, 
1906, 70941; Brandon, 12589, 
