930 REPORT OF STATE GEOLOGIST. 



U. purpurea Walt. Purple Bladderwort. 



In shoal water of lakes and marshes in northern part of State. 

 Lake (Hill). 



U. vulgaris L. Greater Bladderwort. 



Common in streams and ponds in the central and northern 

 parts of the State. 



Flowers in Jul} 7 and August. 



Laporte (Barnes); Shriner Lake (Deam); Hamilton (Wilson); 

 Kosciusko (Coulter); Steuben (Bradner); Cass (Hessler). 



U. intermedia Hayne. Flat-leaved Bladderwort. 



Throughout the State in shallow water along the margins of 

 pools and ponds. 



Flowers from June to August. 



U. gibba L. Humped Bladderwort. 



In the shallow water at the margins of lakes and pools, more 

 frequently in mud. Added to the flora hy Rev. E. J. Hill, whose 

 labors have given us our chief knowledge of the aquatic and sand- 

 dune flora of the State. Several stations were afterward added 

 in Xoble County by Mr. Van Gorder and in Steuben by Mr. 

 Bradner. 



Lake (Hill); Noble (Van Gorder); Kosciusko (Coulter); Steu- 

 ben (Bradner). 



OROBRANCHACE.E. Broom-rape Family. 



THALESIA Raf. 



T. uniflora (L.) Britton. One-flowered Broom-rape. Cancer-root. 

 (Aphyllon uniflorum T. and G.) 

 Xot frequent, but found in many counties of the State, para- 

 sitic on the roots of herbs. 

 Flowers in May and June. 



Tippecanoe (Cunningham); Clark (Barnes); Vigo (Blatchley); 

 Marion. 



T. fasciculata (Nutt.) Britton. Yellow Cancer- root. 

 (Aphyllon fasciculatum Gray. ) 

 In the northern part of the State, generally associated with 

 plants of the dunes, where it is found as a root parasite on 

 Artemisia Canadensis and Artemisia caudata. 

 Lake, (Hill); Porter (Cowles). 



