OF DENISON UNIVERSITY. 



39 



255. E. coloratura Muhl. 



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



256. E. adenocaulon H'aussk. 



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, l88 9; J ul Y 

 25, 1890; July 15, 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, common. June 20, 1890; July 18, 1891. 



XXXVI. CUCURBIT ACEAE. 



131. Sicyos L. 



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



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

 1890; August 1, 1 891. 



132. Echinocystis Torr. and Gray. 



262. E. lobata Torr. and Gray. 



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



XXXVII. FICOIDEAK. 



133. MOLLUGO L. 



263. M- vertieillata L. Carpet Weed. 



Gravelly soil, etc., common. July 30. [890; July i, 1891. 



