PLANTS OF IOWA 12 5 



SPERMATOPHYTES. 

 GYMNOSPERM^E. 



PINACE^. PINE FAMILY. 

 PlNUS, L. 



1548. P. strains, L. White Pine. 



Northeast part of state ; planted elsewhere. 

 Juniperus, L. 



1549. J. communis, L. Juniper. 



On dry hills, northeast part of state. 



1550. J. virginiana, L. Red Cedar. 

 Widely distributed, on rocky slopes. 



Abies, Juss. 



1551. A. balsamea, (L.) Mill. Balsam Fir. 



In northeastern part of the state only; planted else- 

 where. 



TAXACE.E. YEW FAMILY. 



Taxus. 



1552. T. canadensis, March. American Yew. 



On steep shaded slopes, northeast part of state. 



ANGIOSPER3I.E. 



TYPHACE^I. CAT-TAIL FAMILY. 

 TYPHA, L. 



1553. T. latifolia, L. Broad Leaved Cat-Tail. 

 Common in swamps. 



SPARGINIACE^E. BUR-REED FAMILY. 



Sparganium, L. 



1554. S. eurycarpum, Engelm. Common Bur-Reed. 

 Common in marshy places. 



