OF DENISON UNIVERSITY. 67 



266. Catalpa Scop., Walt. 



550. C. bignonioides Walt. 



LXIV. ACANTHACEAE. 



267. Ruellia Plumier. 



551. R. ciliosa Pursh. 



Gravelly soil on roadside at the base of Laurel Ridge. June 19, 

 1891. 



552. R. strepens L. 



Rich soil, rare; Toboso. August 25, 1890. 



268. Dianthera Gronov. 



553. D. Americana L. Water Willow. 

 Growing in creeks, common. June 27, 1890. 



LXV. VERBENACEAE. 



269. Verbena Tourn. 



554. V. urticaefolia L. White Vervain. 



A common weed in pastures. August 7, 1887; August 5, 1889; 

 July 25, 1890; July 15, 1891. 



555. V. hastata L. Blue Vervain. 



A common weed in pastures. August 4, 1887; August 10, 1889; 

 July 25, 1890; July 13, 1891. 



270 Lippia Houst. 



556. L. lanceolata Michx. Fog-fruit. 



On the banks of the Licking Reservoir. August 28, 1888; Au- 

 gust 3, 1889; August 4, 1890; August 6, 1891. 



271. Phryma L. 



557. P. Leptostachya L. Lopseed. 



Rich woods, common. July 29, 1889; July 5, 1890; August 24, 

 1891. 



LXVI. LABIATAE. 



272. TEUCRIUM Tourn 



558. T. Canadense L. American Germander. 



Moist soil, somewhat rare; Licking Reservoir, etc. July 9, 1889 

 July 1, 1890; July 14, 1 89 1. 



