126 UNIVERSITY OF MISSOURI STUDIES [274 



Order 22. PAPAVERALES. 

 Family 49. PAPAVERACEAE Juss. Poppy family. 



179. PAP AVER L. Poppy. 



450. P. Argefmone L. Rough-fruited poppy. Wind rose. 

 Escaped into streets and plains near dwellings, 5500-5600 ft. 



(Daniels, 200). 

 Europe^ thence to the United States. 



180. ARGEMONE L. Prickly poppy. 



451. A. intermedia Sweet. White pricely poppy. 

 Abundant on the plains, mesas, and open meadows in the 



foothills, 5100-7500 ft. (Daniels, 85). 



South Dakota to Wyoming; Texas to Mexico. 



452. A. hispida Gray [A. hipinnatifida Greene]. Hairy prick- 

 ly POPPY. 



Plains and foothills near Boulder, 5100-9000 ft. (Rydberg). 

 Wyoming to New Mexico and Utah. 



Family 50. FUMARIACEAE DC. Fumitory family. 



181. CAPNOIDES Adans. Corydalis. 



453. C. aureum (Willd.) Kuntze [Corydalis aurea Willd.]., 

 Golden corydalis. , 



Rather frequent in rocky places throughout, 5100-10000 ft. 

 (Daniels, 82). Also in the mountains between Sunshine and 

 Ward, and at Ward (Rydberg). Long's Peak (Coulter in 

 Wabash College Herb.). 



Nova Scotia to Alaska; Pennsylvani.\ to California. 



454. C. montanum (Engelm.) Britton [C. pachylobum 

 Greene ; Corydalis aurea occidentalis Gray] . Mountain 

 corydalis. 



Near Boulder, and in the mountains between Sunshine and 

 Ward (Rydberg). 



South Dakota to Utah ; Missouri to Texas and Arizona. 



