40 



CATALOGUE OF THE 



POPULUS 



tremuloides, Michx. 



Woods. Common. 



grandidentata, Michx. C. & N. 



From Menard county northward. Frequent. 



heterophylla, L. S. 



River banks. Wabash and Jackson counties, 

 and southward. 



monilifera, Ait. 



River banks. Common. 



angulata, Ait. 



Hancock county, Mead. 



CONIFERS. 



PIXUS 



Banksiana, Lambert, N. 



Abundant at Pine Station, near Chicago, Bab- 

 cock ; Og'e county, Bebb. 



mitis, Michx. S. 



Jackson and Union counties, Forbes. 



Strobus, L. N. 



Cook county, Yasey : Winnebago, Bebb. 

 LARIX 



Americana, Michx. N. 



MeHenry county, Yasey. 

 THUJA 



occidentals, L. X. 



Swamps. One very old tree noticed near Peoria, 

 many years ago. Brendel : Chicago, Babcock, 

 and Elgin, Kane county, Yasey. 



CUPRESSUS 



thyoides, L. S. 



Gallatin county, Schneck. 



TAXODIUM 



distichnm. Richard. 



S. 



Swamps. Wabash county, Schneck ; Union, 

 Yasey, Brendel. 



JUXIPERUS 



communis. L. 



Xear Chicago, Babcock : Kankakee county, Hill ; 

 Wabash, Schneck. Scarce. 



Yirginiana, L. 



Rocky hillsides. &c. Frequent. 



Sabina, L., 



var. procumbens, Pursh. N-E. 

 Xear Chicago, Babcock. 



TAX US 



baccata, L., 



var. Canadensis, Gray. N. 



Winnebago county, Bebb. 



A R ACEME. 



ARIS2BMA 



tri] hyllum, Ton*. 



Rich woods. Common. 



Dracontium, Schott. 



Woods along streams. Common. 

 PELTAXDRA 



Virgin ica, Raf. 



Ponds. Kankakee county, Hill : Peoria, Bren 

 del : Cass, Mead ; and in S. Illinois, Forbes. 



Scarce. 



SYMPLOCARPUS 



fcetidus, Salisb. 



Wet places, especially near cold springs. 



Infrequent. 



ACORUS 



Calamus, L. 



Margins of ponds, &c. Frequent. 



LEMXACE.E. 



LEMXA 



trisulca, L. 



Ponds. Infrequent. 



minor, L. 



Ponds. Frequent 



polyrrhiza, L. 



Ponds. Common. 

 WOLFFIA 



Columbiana, Karsten. 



Ponds. Menard county, Hall ; Fulton, Wolf 

 St. Clair, Engelmann. 



Braziliensis, Weddell. 



Menard county, Hall. 



TYPHACE.E. 



TYPHA 



latifolia. L. 



Margins of ponds. Common. 



eurycarpum, Engelm. 



Wet places. Common. 



simplex, Hudson. N. 



McHenrv county. Yasev. 



