February 15, 1917 ^^^^ 



Spiraea pyramidata Greene. Pyramidal spiraea. Infre- 

 quent on rocky ridges near the old Strong place, Riverside. May, 

 June. White to rose color. 



Spiraea Douglasii Hook. Coast haidhack. Common in 

 low ground, Laurelhurst Park, St. Helens road, Slavin road, etc. 

 The handsome rose colored flowers of this shrub continue in 

 bloom during a great part of summer, and fully entitle it to cul- 

 tivation, but so far it has only occasionally been planted in pri- 

 vate grounds in this city. May to September. Deep rose color. 

 Aruncus (L) Adaiis. Goat's beard. 



Aruncus vulgaris Raf. 4. Goat's beard. Common on 

 stream banks and in moist open woods, Balch creek, St. Helens 

 road, Fulton, and elsewhere around Portland. April to June. 

 White to cream color, fading tawny. 



MALACEAE Small. Apple Family. 

 Malus [Tourn.] Hill. Apple. 



Malus diversifolia (Bong.) Roem. Oregon crab apple. 

 {Af. rivularis.) Stream banks and open woods. Swan island, 

 Ross island, Fulton, Oswego, Oak Grove, etc. Our tree usually 

 sheds the calyx about the time the fruit is fully formed, rarely 

 retaining it until autumn. The flowers bloom about a week 

 later than those of the wesiern service berry, but 10 days earlier 

 than the western haw, while the fruit is not ripe till a full month 

 later than that of the latter, or about the first week in Septem- 

 ber. April, May. White, anthers cream color. 

 Crataegus L. Hawthorne. 



Crataegus Douglasii Lindl. Western haw. On moist 

 ground and stream banks, Vancouver ferry landing, Fulton, Os- 

 wego, Oak Grove, etc. This species blooms about the same 

 time as the woolly bitter cherry. April, May. While, anthers 

 red-pink. 



Amelanchier Medic. Service berry. 

 '^ Amelanchier alnifolia Nutt. Western service berry. 

 Open woods, Balch creek, Mt. Tabor, Cornell road, St. Helens 

 road, etc. Though usually a shrub, this species occasionally be- 

 comes a tree. A specimen found by the writer in the lower Wii- 



