404 Muhlenbergia, Volume 2 



frequently be fou*:d covering cut or sloping banks on the var- 

 ious roads and even on city streets, as may be seen at 24th and 

 Quimby streets. Almost an evergreen in this section, and south- 

 ward at low elevations. April, May. White. 



RUBUS LACINIATUS Willd. Evergreen blackberry. Com- 

 mon in fence corners, vacant lots, waste places and roadsides 

 about Portland; corner Stout and Yamhill streets, Vista avenue 

 near Washington street, sontheayt corner Union avenue and 

 East Main street, etc. The petals in ours are white usually with 

 a faint pink tinge, and are liiree-lobed at the apex. Contrary to 

 local opinion, the fruit is quite edible and of good flavor when 

 not allowed to become too ripe. Geneially believed to be na- 

 tive of Europe, possibly a form of R. fruticosits (a species much 

 given to variegation) but introduced about Portland, Oregon 

 City and Vancouver from the Sandwich islands in the 40s. April 

 to August. Faint pink to white, n 



Sericothkca Raf. Ocean spray. 



Sericotfieca discolor (Pnrsh) Rydb. Small ocean spray. 

 {Holodiscits discolor.) Common in open coniferous woods about 

 Portland. This shrub shows great liability to fasciation in our 

 woods. May, June. Cream white to tawny. 



Sericotheca franciscana Rydb. Arrow-wood, large 

 ocean spray. [Ho/odiscns ariae/olia.) Common in open woods, 

 Macleay Park, L. & C. fair grounds, Mt. Tabor, Baines road, 

 Canyon road, etc. A specimen of this shrub seen on Gale's Peak 

 measured 2^ inches in diameter. This and the preceding are 

 generally regarded as one species under the name discolor. May, 

 June. Cream-white to lawny; 



OpulasteR Medic. Nine bark. 



Opulaster opuufolius (L.) Kunize. Nine bark. Open 

 woods, Fulton, Oswego, Milwaukie, and in vacant lots southeast 

 corner 23d and Quimby streets. Occasionally cultivated in pri- 

 vate grounds about the city as an ornamental shrub. May, June. 

 White. 



Spiraea [Tourn.] L. Spiraea. 



Spiraea lucida Dough Low Spiraea. Open waods, Barnes 

 road and Canyon road. May, June. White. 



