April I, 1916 357 



of tin's species yet found iti Mnltnoniah county is 11 feet in di- 

 ameter breast high, and is a faiily pcifect specimen. Apiil, May. 



Abies Juss. Fir. 

 Abirs grandis Lindl. Lowland fir. Occurs in moderate 

 quantities in all coniferous woods around Poitland, and numer- 

 ous trees are still to be found in vacant lots throughout the cily. 

 April, May. 



Thuja L. Arbor vitae. 

 Thuja plicata Dc nn. Western red cedar. On ncfrly all 

 wooded slopes around Portland, but never occurring in pure 

 stands. April, May. 



TAXACEAE Lindl. Yew Family. 



Taxus [Tourn.] L. Yew. 



Taxus brevifoua Nutt. Western yew. Infrequent in 



moist ravines and on stream banks, Macleay Park and near Wil- 



bridge. The largest specimen yet found in Multnomah county 



is 24 inches in diameter. March, April. 



CLASS II. ANGIOSPERMAE— MO.NOCOTYLEDONES 



TYPHACEAE J. St. Hil. Cat tail Family. 



Typha [Tourn.] L. Cat tail. 



Typha latifoija L. 4. Common cat tail. In ditches 



and mucky ponds at The Oaks, near Milwaukie, and along St. 



Helens road between the road and Willamette river. May, June. 



SPARGANIACEAE Agardh. Bur reed Family. 

 Sparganium [Tourn.] L. Bur reed. 

 Sparganium kurycarpum Engelm. 4. Broad fruited bur 

 reed. In ponds near the car shops. June, July. 



NAIADACEAE Lindl. Pond weed Family 

 POTAMOGETON [Tourn] L. Poud weed. 

 POTAMOGETON NATANS L. 4. Floatirg pond weed. In 

 ponds and sluggish streams, Coluuibia slough. June, July. 



POTAMOGETON AMPi.iFoi.iuS Tf.ckerm. 4. Large leaved 

 poud weed. In ponds along Columbia slough. May, June. 



