RYDBERG: NOTES ON ROSACEAE 169 
32. RosA PRINGLEI Rydberg 
See notes, Bull. Torrey Club 44: 79. 1917. The following 
specimens are from the region: 
OREGON: Wallowa River, 1897, Sheldon 8687 (?). 
WASHINGTON: Klickitat County, 1885, Suksdorf. 
British CoLtumBiA: Armstrong Pass, 1912, E. Wilson; Elgin, 
Miss Edstrom. 
33. Rosa EastwoopiAE Rydberg 
This is related to R. Pringlei but the plant has smaller leaves, 
smaller flowers and fruit, and is usually prickly. The fruit is 
only 6-8 mm. in diameter. To this belong: — 
CALIFORNIA: Sisson, Siskiyou County, 1912, Eastwood 2100, 
mainly. 
OREGON: Waldo, Josephine County, 1912, Eastwood 2168. 
IV. GYMNOCARPAE 
Leaves glabrous beneath. 
Flowers mostly 2-4 together, leafy-bracted; nce stipules 
san! dilated; leaflets with broadly ovate teeth, in- 
istinctly reticulate beneath; fruit 6-8 mm. Ne 37. R. dasypoda. 
lowers usually solitary, not leafy-bracted; stipules nar- 
ow; leaflets with lanceolate or ovate lanceolate 
teeth; fruit 6 mm. in diameter or less 
Leaves not very thin, pale and indistinctly reticulate 
beneath; sepals 1-1.5 cm. long. 35. R. leucopsis. 
Leaves very thin, scarcely paler on the lower surface, 
which is distinctly reticulate wah semi-pellucid 
veinlets; sepals less t 
Leaflets 5-7, usually more than 1.5 cm. ines teeth 
ovate-lanceolate in outline; terminal leaflet 
. R. gymnocarpa. 
Ww 
a 
usually rounded at the 
Leaflets 7-9, usually less than 1.5 cm. long, the 
terminal one usually acute or cuneate at base; 
teeth lanceolate in outline. . R. prionota. 
Leaves pubescent beneath. 38. R. Bridgesit. 
wy 
an 
34. RosA GYMNOCAPRA Nutt. 
This species is one of the most common roses in the Columbia 
region (see my notes, Bull. Torrey Club 44: 82. 1917). As 
stated there Dr. Greene described twelve species belonging to the 
group and some of these will be discussed here. 
Rosa glaucodermis Greene. Dr. Greene pays especial attention 
