194 
IOWA ACADEMY OF SCIENCES. 
A LIST OF THE FLOWERING PLANTS OF HARDIN 
COUNTY, IOWA. 
PINACE^. 
PiNUS. 
1. P. strobus L. Bluffs along the Iowa river near Steam- 
boat rock. 
JUNIPERUS. 
2. J. virginiana L. Mostly on high, rocky banks of 
the Iowa river. 
TAXACEJE. 
Taxus. 
3. T. minor (Michx.) Brit. (T. canadensis Willd.) 
High, rocky woods and river banks. Common. 
TYPHACE^. 
Typha. 
4. T. latifolia L. Abundant in swamps. 
SPARGANIACE^. 
Sparoanium. 
5. S, eurycarpum Eng. Common in swamps. 
6. S. androcladium (Eng) Morong. (S. simplex andro- 
cladium Eng.) Shallow ponds and swamps. 
Frequent. 
NAIADACE^. 
POTAMOGETON. 
7. P. lonchites look. {P. fluitans Roth.) Common in 
streams. 
8. P. heterophyllus Schreb. Frequent in ponds. . 
9. P. pusillus L. Common in swamps and ponds. 
Naias. 
10. N. flexilis (Willd.) Rost & Schm. Swamps; ap- 
parently not common. 
