140 UNIVERSITY OF MISSOURI STUDIES [288 



533. R. pumilum Nutt. [R. cereum Coulter, in part]. Small 



WAX-CURRANT. 



Abundant on the mesas, foothills, and mountains, 5500-10000 

 ft. (Daniels, 84). Long's Peak (Coulter in Wabash College 

 Herb.). 



Montana to New Mexico and Arizona. 



534. R. longiflorum Nutt. [R. aureum T. & G. ; not Pursh]. 

 Long-flowered golden currant. 



Along stream in mesa at the foot of Flagstaff Hill, 5700 ft. 

 (Daniels, 600). 

 South Dakota to Wyoming; Kansas to Arizona. 



535. E. vulgare Lam. Red currant. 



Escaped into a thicket about a pond near Boulder, 5400 ft. 

 (Daniels, 265). 



Labrador to Alaska ; New Jersey to Indiana and Minne- 

 sota: Europe: Asia. Frequently escaped from cultivation in 

 all temperate regions. 



Family 58. ROSACEAE Juss. Rose family. 



217. OPTJLASTER Medic. Nine-barks. 



536. 0. intermedius Rydb. [0. Missouriensis Daniels]. In- 

 termediate nine-barks. 



Gallons in the foothills, 5700-6500 ft. (Daniels, 74). Lower 

 Boulder Canon, 5600-7000 ft. (Rydberg). 

 Illinois to South Dakota ; Missouri to Colorado. 



537. 0. Ramaleyi Aven Nelson [0. bracteahis Rydb.]. Ram- 

 aley's nine-barks. 



Caiaons in the foothills, 5600-6500 ft. (Daniels, 693). 

 Colorado. 



538. 0. glabratus Rydb. Glabrous nine-barks. 

 Boulder, along streams, 5000-1 1000 ft. (Rydberg). 

 Colorado. 



539. 0. monogynus (Torr.) Kuntze [Physocarpus Torreyi 

 Max.]. Torret's nine-barks. 



Rocky canons in the foothills, 6000-7000 ft. (Daniels, 450). 

 South Dakota to Wyoming; New Mexico to Nevada. 



