6ii BULLETIN OF THE LABORATORIES 



238. Myo'sotis Dill. 



506. M. verna Nutt. 

 Herbarium of Dr. F. O. Jacobs. 



239. LiTHospERMuM Tourn. 



507. L. arvense L. Corn Gromwell. 



Waste places in gravelly soil, common. May. 20, iSS'y; Rfay 7, 

 1888; April 10, 1889; April 2, i8yi. 



240. Onosmodium Michx. 



Sff8. 0. ViVginianum D C. 

 Herbarium of Dr. F. O. Jacobs. 



241. EcHiuM Tourn. 



509. E. vulgare L. Blue Weed. 



Along B. & O. R. R. ,track at Toboso. May 31, 1888";, August 

 23, 1890. 



LVIII. : CONVOLVULACEAE. 



' 242. Ipomoea L. 



510. \. purpurea \^3.xa.. Common Morning-glory. 



Waste places where it exists for a year or two. June 5, 18&8; 

 August 30, 1890; August 19, 1891. 



511. I pandurata 'Meyer. Wild Potato-vine. 



Alluvial soil, rare; banks of Licking River at Toboso and Vanat- 

 tasburg. August 16, 1890; September i, 1891. 



243. Convolvulus Toutn. 



512. C. sepium L. Var. Americanus Sims. 

 Alluvial soil, common. July 15, 1889; June 19, 1891. 



513. C. sepium L. Var. repens Gray. 



Wet places, somewhat rare; Old and New Reservoirs. June 20^ 

 1890; August. 8, 1 89 1. 



244. . CuscuTA Tourn. 



314. G. Gronovii Willd. 



Moist grounds, common. September 14, 1889; August 2>i, 1890. 



