IOWA ACADEMY OF SCIENCES. 
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Rosa blanda Ait. Smooth Rose. Very common every- 
where. 
R. arhansana Porter. Prairie Rose. Com mom in fields 
and along fences. 
Pyrus ioensis Wood. American Crab Apple. Common 
in thickets. 
P. malus L. Apple. Introduced. 
Crataegus coccinea L. Red Haw. Very common in woods 
and pastures. 
C. tomentosa L. Thorn Apple. Not common. 
C. crus- galli L. Cockspur Thorn. Infrequent in thick- 
ets. 
Am elanchier ■ canadensis Torr. and Gray. Shad Bash. 
Juneberry. Common on steep hillsides and along 
banks; rocky ravines. 
SaxifragacevE. Saxifrage Family. 
Heuchera villosa Michx. Alum-root. Rare; rocks. 
Ribes gracile Michx. Missouri Gooseberry. Common in 
thickets and river bottoms. 
R. aureum Pursh. Golden or Buffalo Currant. Intro- 
duced. Dooryards. 
Lythrace^e. Loosestrife Family. 
Ly thrum alatum Pursh. Loosestrife. Fields; common. 
QnagracevE. Evening Primrose Family. 
Ludwig ia palustris Ell. Water Purslane. Wet places 
frequent. 
( Enothera biennis L. Common Evening Primrose. 
Common in waste places. 
Gaura biennis L. Not common. 
Circcea latetiana L. Enchanter’s Nightshade. Woods; 
common. 
Cucurbit ACE iE. Gourd Family. 
Echinocystis lobata Torr. & Gray. Wild Balsam Apple. 
Woods on low ground; frequent. 
Umbellifer^e. Parsley Family. 
Tiedemannia rigida Coult & Rose. Cowbane. In wild 
meadows. 
