ROSACEAE. 125 
OSMARONIA. Osoberry. 
(Family Rosaceae). 
Shrubs or subarborescent: de- 
ciduous. Twigs moderate, terete: 
pith rather large, rounded, pale, 
chambered. Buds sessile or more 
or less supra-axillary or stalked, 
ovoid, obtuse, with about 3 ex; 
posed mucronulate scales. Leaf- 
scars alternate, somewhat crowded 
at tip, shallow U-shaped or nar- 
rowly crescent-shaped, little 
raised: bundle-traces 3: stipule- 
sears lacking. -(Nuttallia). 
The winter-characters of Osmar- 
onia (or Nuttallia) cerasiformis 
i 
ye : A 
— are given by Schneider, f. 74. 
| = Osmaronia is a distinctively Cal- 
|_ = ifornian genus locally differenti- 
ated into distinguishable forms 
but in the minds of conservative 
botanists doubtfully divisible into 
as many species. 
Glabrous: twigs purplish: buds green. N. cerasiformis. 
