2o8 UNIVERSITY OF MISSOURI STUDIES [356 



385. LYCOPTJS L. Water hoarhound. 



897. L. lucidus Turcz. Western water hoarhound. 

 Along ditches and streams, 510Q-5400 ft. (Daniels, 783). 

 Minnesota to British Columbia; Missouri to Colorado 



and California. 



898. L. Americanus Muhl. [L. sinuatus Ell. ; L. Europeus sin- 

 uatiis (Ell.) Gray]. American water hoarhound. 



Along ditches and streams and in swales, 5100-6000 ft. (Dan- 

 iels, 508). 



Newfoundland to British Columbia; Florida to Cali- 

 fornia. 



386. MENTHA L. Mint. 



899. M. spicata L. [M.viridis'L.']. Spearmint. 



Along the Arapahoe Road, 5300-5400 ft. (Daniels, 742). 

 Europe and Asia, thence to North America. 



900. M. Penardi (Briq.) Rydb. {M. arvensis Penardi Briq.]. 

 Penard's mint. 



Along ditches and streams, 5100-8000 ft. (Daniels, 164). 

 Nebraska to Mackenzie and British Columbia; Colo- 

 rado to Utah. 



Family 98. SOLANACEAE Pers. Nightshade family. 



387. PHYSALIS L. Ground cherry. 



901. P. longifolia Nutt. [P. /awf ^o/oto /a^OTgrafo Gray] . Long- 

 leaved GROUND CHERRY. 



Boulder Canon, 5600 ft. (Daniels, 153). 



Iowa to Montana ; Arkansas to Arizona and Mexico. 



902. P. lanceolata Michx. Prairie ground cherry. 

 Common on the plains and mesas in loose or sandy soils, 



5100-6000 ft. (Daniels, 523). 



Michigan to Wyoming; South Carolina to Arizona and 

 Mexico. 



903. P. Virginiana Mill. Virginia ground cherry. 

 Cultivated fields and roadsides on the plains, and foothills, 



appearing like an introduced weed, 5100-8000 ft. (Daniels, 

 684). Also between Sunshine and Ward (Rydberg). 



