OF DENISON UNIVERSITY. 6l 



LVI. HYDROPHYLLACEAE. 

 233. Hydrophyllum Tourn. 



496. H. macrophyllum Nutt. 

 Woods, common. May 27, 1890. 



497. H. Virginicum L. 



Woods, common. May 30, 1887; May 26, 1889; June 13, 1890. 



498. H. Canadense L. 



Woods, somewhat rare; Alexandria. June 13, 1890. 



499. H. appendiculatum Michx. 



Woods, very common. May 27, 1884; May 21, 1887; May 30, 

 1889; June 25, 1890; May 14, 1891. 



234. Phacelia Juss. 



500. P. Purshii Buckley. Miami Mist. 



Common, especially along hedge rows. May 27, 1884; May 26, 

 1887; May 28, 1890. 



LVII. BORRAGINACEAE. 

 235. Cynoglossum Tourn. 



501. C. officinale L. Common Hound's Tongue. 



Fields, common. May 30, 1887; May i, [889: May 26, 1890; 

 May 30, 1891. 



502. C. Virginicum L. Wild Comfrey. 



v Woods, rare; Welsh Hills. May 16, 1890; May 30, 1891. 



236. EcHiNOSPERMUM Lchm. 



503. E. Virginicum Lehm. Beggar's Lice. 



Open woods, common. August i, 1888; July 15, 1889; July 22, 

 1890; June 27, 1891. 



504. E. Lappula Lehm. 



Open woods and waste grounds, common.- A^igust i, 1888; July 

 8, 1890; June 27i 1891. 



237. Mertensia Roth. 



505. M. Virginica D C. Blue BeHs. Virginian Cowslip. 

 Common in cultivation, grows wild along the Raccoon Creek. 



April 18, 1890; April 17, 1891. 



