Leaves very thin, pale and slightly 
glandular-puberulent, but not muri- 
culate beneath 
Leaves thicker, dark green on both sides, 
conspicuously glandular-muricate be- 
neath. 
Leaflets simple-toothed, puberulent beneath, 
ut not glandular-granuliferous or -muricate; 
is rarely glandu 
rac 
Prickles more or less curved. 
Prickles shed large, sea pubescent; twigs densely 
and pubescent. 
landul: 
Prickles snd posi $8, not conspicuously 
flat Pisa not conspicuously glandular, 
coe ee bro 
Sepals not pre -hispid; 
long, not 
thed 
leaflets 2-4 cm. 
conspicuously glandular double- 
Sepals conspicuously glandular-hispid; leaflets 
I-2 cm. long. conspicuously glandular double- 
toothed. 
Flowers mostly corymbose, if solitary the petals 2 cm. 
long or less; fruit rarely more than 1 cm. in diameter. 
Prickles more or less curved. 
Leaflets softly villous beneath; prickles stout, 
flattened; hypanthium with a 
aflets finely puberulent and som at 
gl lar-pruinose beneath; prickles not 
flattened; hypanthium without a distinct 
neck. 
Leaflets with nA teeth, not copiously 
glandular-pruinose beneath. 
Leaflets with a gland-tipped teeth, con- 
spicuously glandular-puberulent beneath. 
Prickles straight cr nearly so. 
Hypanthium normally aia prickly or bristly. 
H 
ypanthi globose; neck usually obsolete. 
Sepals lanceolate, with long, caudate- 
attenuate or sometimes foliaceous 
3 more than Icom, | ies 
andular-pruinose or muricula 
h. 
neath. 
Leaflets orbicular or rounded oval. 
_ Leaflets oblong to oval. 
Stipules, petiole, and rachis not glan- 
ular or the stipules slightly glan- 
dular-dentate. 
RYDBERG: NOTES ON ROSACEAE 
. Nutkana. 
. muriculata. 
. Spaldingii. 
- Durandii. 
. columbiana, 
myriadenia, 
californica. 
puberuienta. 
. delitescens. 
14, Ke; ncaprlaeeesgge 
22. R. Fendl 
