IOWA ACADEMY OF SCIENCES. 
201 ' 
Saxifragaceae. 
Ribes gracilis. Wild Gooseberry. 
Common in rich soil in open ground and along fence 
rows and hedges. 
Cornacea:. 
Cornus sericea. 
Common along streams and in wet places. 
Cornus alternifolia L. f. Alternate-leaved Cornel. 
Quite common on hillsides. 
Cornus paniculata L’Her. Panicled Cornel. 
Common everywhere in thickets. 
Caprifoliaceje. 
Sambrucus Canadensis Linn. Elderberry. 
Very common on low, rich bottoms Difficult to kill 
on cultivated lands. 
Viburnum lentago. Black Haw. 
Bare. 
Symphoricarpos vulgaris Michx. 
Very common along roadsides and open ground where 
the hazel has been cleared. This shrub has become 
quite a nuisance in timber pastures and along fences 
and hedge rows. 
Lonicera glauca. Honeysuckle. 
Frequent in woods on hillsides. 
Rubiacea:. 
Cephalanthus occidentalis Linn. Button-Bush. 
Not frequent; found only in ponds and wet places. 
Oleacea:. 
Fraxinus americana Linn. White Ash. 
Quite common on river bottoms and along streams.. 
Urticacea:. 
Ulmus pulva Michx. Red Elm. Slippery Elm. 
Common. Rich upland and bottoms. 
TJlmus americana Linn. 
Very common. Everywhere in damp woods. 
