VASCULAR PLANTS OF NORTH DAKOTA 235 



N. D. acc. to Britt. Man. 1901, Gray Man. 1908 and Rydb. Fl. R. M. 

 1917. 



298. Limnorchis viridiflora (Cham) Rydb. Torr. Bot. Club 

 28:616. (1901). Habenaria hyperborea Coult., not R. Br. 



1258. Ulmus fulva Michx. Fl. Bor. Am. 1:173. ( I 8o3), acc. to 

 Britt. Man. 1901. 



348. Lapathum maritimum (Linn.) Lunell. Rumex maritimus 

 Linn. Sp. PI. 335. (1753)- f- R- persicarioides Am. Authors, not Linn. 



1259. Polygonum buxiforme Small in Bull. Torr. Bot. Club 

 XXXIII 156. (1906) Leeds. 



1260. Polygonum neglectum Besser, Enum. PI. Volh. 45. 

 Leeds. 



1 26 1. Polygonum sawatchense Small, Bull. Torr. Bot. Club 

 XX:2i3. (1893). Leeds. 



1262. Polygonum achoreum S. F. Blake in Rhodora XIX:232. 

 (1917). Leeds, Towner. 



1263. Chenopodium desiccatum A. Nels. Bot. Gaz. 34:362. 

 (1902). Towner. 



1264. Atriplex confertifolia (Torr.) Wats. Proc. Am. Acad. 

 9:119. (1874). Medora. 



1265. Corispermum nitidum Kit. et Schult. Oestr. Fl. ed. 2, 

 1 7. (18 14). Sheyenne River. 



407. Acnida altissima Riddell ex Moq. in DC. Prodr. XIII: 

 2. 277. 



1266. Allionia diffusa Heller, Minn. Bot. Stud. 2:33. (1898) 

 N. D. acc. to Rydb. Fl. R. M. 1917. 



SAPONARIA Linn. Sp. PI. 408. (1753)- 



1267. Saponaria officinalis Linn. 1. c. Leeds. Escape in old 

 gardens. 



Insert before 468, Clematis virginiana: 



1268. Clematis ligusticifolia Nutt; T. & G. Fl. N. A. 1:9. 

 (1838). West of the 100th mer. 



477. Plectrornis virescens (Nutt.) Lunell. Delphinium virescens 

 Nutt. Gen. 2:14. (18 18). 



502. Lesquerella arenosa (Richards.) Rydb. in Bull Torr. 

 Bot. Club 236. (1902.) 



503. Physaria brassicoides Rydb. in Bull. Torr. Bot. Club 

 279. (1901). 



523. Turritis ovata Pursh Fl. Am. Sept. 11:436. (1814). 



