25 



All of the species listed below were found growing spontaneously 

 with a good chance of persisting, and none of them find mention 

 in Piper & Beattie's Flora of the Northwest Coast, although all 

 were collected within the limits of that manual. These 34 species 

 bring the total number of species not mentioned in the above 

 work, but reported by the writer, to 343. 

 Species plainly introduced are marked *. 



1. Alisma Plantago-aquatica L. var. parviflontm (Pursh) Torr. 



jMuddy shore of Willamette River, Eugene. 



2. Muhlcnhcryia sqnarrosa (Trin.) Rydb. ]\Iuddy shore of Co- 



lumbia River on Hayden Island, opposite Vancouver, 

 Wash. Xot infrequent along the upper Columbia. 



3. "^Cynosunis echinutns L. Abundantly established on dry 



slope of Skinner's Butte, Eugene. 



4. *Eragrostls dliatuvisis (AH.) Link. Sandy river-bank near 



city dump, Eugene. 



5. *Agropyron glaucum R. & S. In shipyard on old ballast, 



Linnton, Portland. 



6. *Oniithogaliim itinbcUatiiin L. An occasional escape to 



vacant lots and roadsides, Salem. 



7. *AUii(m Cepa L. Occasional on railroad-embankments near 



Salem. 



8. *Urtica dioica L. In shipyard on old ballast. Linnton, Port- 



land. 



9. *Macliira pouiifcra (Raf.) Schneider. Freely escaping from 



a neglected hedge along roadside near Springfield, Lane Co. 



10. *Rumcx cuneifolius Campd. In shipyard on old ballast, 



Linnton, Portland. A Patagonian species. 



11. *Atriplcx rosea L. Sandy waste ground on river-shore. 



Lower Albina. Portland. Previously reported by Suks- 

 dorf. 



12. "^Amaranthus panicnlatus L. Waste ground at old city dump, 



Salem. Occasional in cultivation. 



13. *Corrigiola littoralis L. Abundant in dry gravelly soil in 



railroad-yards, Lower Albina. Portland. Previously col- 

 lected by Suksdorf. 



