IOWA ACADEMY OP SCIENCES. 
95 
CAMPANULACE^ 
Specularia perfoliata A. D. C. Open woods, frequent. 
Campanula rotundifoUa L. Rocky places, common. 
G. aparinoides Pursh. Borders of swamps, infrequent. 
G. americana L. Moist places, common. 
ERICACE^. 
Ghimapliila umbellata Nutt. Woods, only a dozen plants 
known in one place. 
Pyrola eUiptica Nutt. Woods, common. 
Monotropa unijlora L. Woods, rare. 
PRIMULACE^. 
Dodecatheon media L. Prairies, common. 
Steironema ciliatum Raf. Low ground, common. 
S. lanceolatum Gray. Low ground, common. 
8. longifolium Gray. Low ground, common. 
Lysimachia stricta Ait. Low ground, rare. 
L. thyrsijiora L. Swamps, rare. 
OLEACE^. 
Fraxinus americana L. Woods, infrequent. 
F. viridis Michx. Low woods, apparently rare. 
F. quadrangalata Michx. A single tree known to me. 
APOCYNACEAE. 
Apocynum androscemifolium L. Borders of woods, common. 
A. cannabinum L. Moist ground, common. 
ASCLEPIDACE^. 
Asclepias tuherosa L. Prairies, common. 
A. incarnata L. Low ground, common. 
A. cornuti Decaisne. Waste ground, common. 
A. sullivantii Engelm. Low ground, frequent. 
A. phytolaccoides Pursh. Low ground, rare. 
A. ovalifoUa Decaisne. Prairies, rare. Dr. C. C. Parker, coll. 
A. verticillata L. Prairies, infrequent. 
Acerates longifolia Ell. Prairies, infrequent. 
A. viridiflora Ell., var. lanceolata Gray. Prairies, rare. 
GENTIANACE^. 
Gentiana crinita Froel. Rare. Dr. C. C. Parker, coll. , wha 
assures me that the plant was common ten years ago. Mr. J 
R. Gardner collected it in 1896. 
