7 2 BULLETIN OF THE LABORATORIES 



603. A. albus L. Tumble Weed. 



Herbarium of Denison University. August 27, 1888. 



LXXI. CHENOPODIACEAE. 



293. Chenopodium Tourn. 



604. C. album L. Lamb's Quarters. Pigweed. 



Waste places, everywhere. September 2, 1887; July 20, 1889; 

 August 12, 1890; August 2, 1891. 



605. C. hybridum L. Maple-leaved Goosefoot. 

 Waste places, common. August 2, 1890. 



LXXII. PHYTOLACCACEAE. 



294. Phytolacca Tourn. 



606. P. decandra L. Common Poke. 



Fields, common. July 2, 1889; July 8, 1890; August 24, 1891. 



LXIII. POLYGONACEAE. 



295. Rumex L. 



607. R. Britannica L. Great Water-dock. 



Swamps, rare; Everett's Swamp, Cranberry Marsh, Old Reser- 

 voir. 



608. R. altissimus Wood. Pale Dock. 



Moist soil, rare; New Cemetery, Granville. June 8, 1891. 



609. R. verticillatus L. Swamp Dock. 

 Swamps, rare; Licking Reservoir. June 20, 1890. 



610. R. crispus L. Curled Dock. 



Waste places, everywhere. June 4, 1887; July 31, 1888; June 

 10, 1890; June 24, 1891. 



611. R. obtusifolius L. Bitter Dock. 



Waste places, very common. July 4, 1890; June 7, 1891. 



612. R. Acetosella L. Sheep Sorrel. 



Meadows and fields everywhere. May 17, 1887; June 6, 1889; 

 June 15, 1890; June 1, 1891. 



296. Polygonum Tourn. 



613. P. aviculare L. 



