RYDBERG: NOTES ON ROSACEAE 167 
19. ROSA PUBERULENTA Rydberg 
This species belongs to the Great Basin and is related to 
R. arizonica and R. neomexicana. The following specimens are 
referred here, though somewhat doubtfully : 
WASHINGTON: Wilson Creek, Sandberg & Leiberg; Rattlesnake 
Mountains, Cotton 460. 
OREGON: Antelope Creek, Applegate 23099; Cold Spring, 
Coville & Applegate 1122; Wallowa, Samson & Pearson 78. 
20. ROSA DELITESCENS Greene 
This is related to R. californica but characterized by the 
double-serrate leaflets, glandular-pruinose beneath and with gland- 
tipped teeth, and by the subglobose fruit. It is known only from 
the type locality in the Siskiyou Mountains, Oregon. 
21. Rosa RivALIs Eastwood 
This species belongs to the Californian flora (see notes, Bull. 
Torrey Club 44: 74. 1917) but the following specimen has been 
collected in Oregon: 
OREGON: Cold Spring, Crook County, 1898, Coville & A pple- 
gate 131. 
22. RosA FENDLERI Crépin 
23. Rosa Woopsir Lindl. 
24. Rosa Macounri Greene 
These three species belong to the Rocky Mountain region but 
extend west into the Cascade Mountains. They will be treated in 
a subsequent paper. 
25. ROSA MYRIANTHA Carr. 
This is primarily a Californian rose (see notes, Bull. Torrey 
Club 44: 75, 76. 1917), but the following specimens belong here: 
OREGON: Barlow Gate, Lloyd; lower Albina, Portland, Sheldon 
10659; Wimmer, Hammond IIQ, in part. 
26. RosA PISOCARPA A. Gray 
27. ROSA ULTRAMONTANA (S. Wats.) Heller 
These two species have been treated previously, under the 
Roses of California and Nevada (see Bull. Torrey Club 44: 77, 78. 
1917). Though the former has its best development in the 
