90 
IOWA ACADEMY OP SCIENCES. 
UMBELLIPER^. 
Daucus carota L. Occasionally escaped. 
Heracleum lanatum Michx. Woods and openings, frequent. 
Pastinaca saliva L. Occasionally escaped. 
Thaspium aureum Nutt. Low prairies and woods, frequent. 
Pimpinella integerrima Benth. and Hook. Rocky hills, rather 
rare. 
Oryptoncenia canadensis L. Woods, common. 
Sium cicutcejolium Gmelin. Low prairies, frequent. 
Carum carui L. Frequently escaped. 
Gicuta maculata L. Borders of ponds, infrequent. 
Osmorrliiza brevistylis DC. Woods, frequent. 
0. longistylis DC. Woods, frequent. 
Eryngium yuccoefolium Michx, Low prairies, common. 
Sanicula marylandica L. Woods, common. 
ARALIACE^. 
Aralia racemosa L. Woods, infrequent. 
A, nudicaulis L. Woods, frequent. 
A. quinquefolia D. and Planch. Woods, rare. 
CORNACE,®. 
Cornus circinata L’Her. Woods, frequent. 
G. sericea L. Low woods, infrequent. 
G. stolonifera Michx. Low grounds, rare. 
G. paniculata L’Her. Wooded river banks, frequent. 
G. alternifolia L. Wooded river banks, infrequent. 
CAPRIPOLIACE^. 
Adoxa moschatellina L. Growing about old stumps, rare. 
Only other locality known in Iowa is at Decorah, where Mr. E. 
W. D. Hoi way finds it. 
Sambucus canadensis L. Low woods and clearings, frequent. 
S. racemosa L. (?) Dr. C. C. Parker says this plant has 
occurred here, but I have not seen a specimen. 
Viburnum opulus L. River banks, rare. 
V. pubescens Pursh. Rocky woods, infrequent. 
F. lentago L. Woods and clearings, frequent. 
Triosteum perfoliatum L. Woods, common. 
Symplioricarpos occidentalis Hook. Borders of woods and 
prairies, infrequent. 
Lonicera tartarica L. Two or three plants along the Volga 
river. 
