90 FLORA OF GRAND RAPIDS. 



702. P. arbutifolia L.f. Choke-bc^rry. 

 Aroiiiii iirbxtifoltii (L.) Ell. 



FreqiKMit on lake margins and in swamps. May. 



703. P. arbutifolia melanocarpa Hook. 

 Aroitia itiyrii {\\'\\\i\.) liiitluii. 



Growing with the preceding species. May. 



P. Aucui'ARiA L. European Mountain Ash. 



jSorbus Aucuparid L. 

 Along Fourth St. Probably spontaneous from seeds scattered 

 by birds from trees on adjacent premises. May. 



704. P. coronaria L. American Crab- Apple. 

 Miiliis Coronaria (L.) Mill. 



Tickets and wet soil; common. May. 



The flowers are much admired for their color and fragrance, 



fruit green and bitter. 



705. P. M.VLUs L. Cultivated Apple. 

 3falHs MaluK (L.) Britton. 



Spontaneous in thickets along roadsides. May. 



70C. P. sambuciiolia Cham, it Schlect. Elder-leaved Mountain 

 iSorbus samhacifolia (Cham. & Schlect.) Roera. [Ash. 



In cold boggy marshes. June, 



Spontaneous about Mud Lake and Mill Lake, Plaintield, where 

 birds have carried the seeds trom trees near these localities 

 (S.R.Wright). 



DRUPACEAE. Pum Family. 



PRUNUS L. Plum. Ciierky. 



707. P. Americana Marsh. Wild Yellow or Red Plum. 

 Rich alluvial soil; common. May. 



Mr. C, F. Holt tells of quite an extensive grove of these trees 

 which grew on his father's farm in Cascade, in early days. The 

 fruit being yellow, sweet, and largo, was eagerly sought by the 



