OF DENISON UNIVERSITY. 39 



255. E. coloratum Muhl. 



Wet places, somewhat common. August 4, 1887; July 30, 1891. 



256. E. adenocaulon Haussk. 



Wet places, rarely on moist hillsides, rather common. July 25, 

 1890; July 10, 1891. 



128. Oenothera L. 



257. Oe. biennis L. Common Evening Primrose. , 



Fields, etc., very common. July 25, 1887; July 3, 1889; July 

 2S> 1890; July IS, 1891- 



258. Oe. fruticosa L. Sundrops. 

 Fields, rare; Alexandria. June 20, 1891 



129. Gaura L. 



259. G. biennis L. 



Alluvial soil, rare; Toboso. August 16, 1890; July 20, 1891. 



130. Cirraea Tourn. 



260. C. Lutetiana L. Enchanter's Night-shade. 

 Damp woods, comtpon. June 20, 1890; July 18, 1891. 



XXXVI. CUCURBITACEAE. 



131. SiCYOS L. 



261. S. angulatus L. One-seeded Bur-cucumber. 



Moist shady places, common. August 24, 1887; August 13, 

 1890; August I, 1891. 



132. EcHiNOCYSTis Torr. and Gray. 



262. E. lobata Torr. and Gray. 



River banks, rare; Toboso. August 19, 1890. 



. XXXVII. FICOIDEAE. 



133. MOLLUGO L. 



263. M- verticillata L. Carpet Weed. 



Gravelly soil, etc., common. July 30, 1890; July i, 1891. 



