FLOWERIXG PLANTS AND FERNS OF ARIZONA 183 



The typical form has been seen from Coconino County and the 

 Santa Catalina Mountains (Pima County), about 7,000 feet, July to 

 September, ranging from Illinois and Missouri to Washington and 

 Arizona. The var. arizonicus (Wieg.) Hermann is known from the 

 Grand Canyon (Coconino County), and from Maricopa, Gila, Pinal, 

 and Pima Counties, 1,300 to 6,500 feet, June to September, ranging 

 from Colorado to Texas and Arizona. The var. neomexicanus (Wieg.) 

 Hermann is represented from the Grand Canyon, from Cochise 

 County, and from the Santa Catalina Mountains (Pima County), 

 approximately 7,000 feet, July to August, ranging from Kansas to 

 Texas and Arizona. 



12. Juncus macer S. F. Gray, Nat. Arr. Brit. PL 2:164. 1821. 



Juncus tenuis of American authors, not Willd. 



Chiricahua Mountains (Cochise County), Rincon Mountains (Pima 

 County), 7,000 to 8,000 feet, June to September. Newfoundland to 

 Washington, south to Florida, Arizona, and Oregon. 



13. Juncus marginatus Rostk., Monog. June. 38. 1801. 



Juncus setosus (Coville) Small, Fl. Southeast. U. S. 258. 1903. 



Rincon and Santa Catalina Mountains (Pima County), along 

 streams, about 3,000 feet, June to August. 



Typical J. marginatus, with dull, lusterless capsules and blunt 

 inner perianth segments, is known in Arizona only from a collection 

 at Camp Lowell (Parish in 1884). It ranges from Maine to Ontario 

 and Nebraska southward to Florida and southern Arizona. The 

 commoner form in Arizona, var. setosus Coville, which has glossy 

 capsules and aristate inner perianth segments, ranges from Kansas 

 to Louisiana, Arizona, and Mexico. 



14. Juncus longistylis Torr., U. S. and Mex. Bound. Bot. 223. 1859. 

 Grand Canyon and San Francisco Peaks (Coconino County), and 



in Apache, Navajo, Yavapai, and Greenlee Counties, chiefly in the 

 White Mountains, in montane meadows, 4,500 to 9,500 feet, late June 

 to September. Nebraska to British Columbia, south to New Mexico, 

 Arizona, and California. 



The commoner form in this State is var. scabratus Hermann which 

 has the vegetative parts (particularly the pedicels and the terminal 

 portions of the leaf blades) strongly scabrous and the auricles showing 

 a tendency to be prolonged, free, and acute. 



15. Juncus macrophyHus Coville, Calif. Univ. Pubs. Bot. 1: 65. 1902. 

 Yavapai and Maricopa Counties, rare, on damp slopes below 5,500 



feet, July to August. Southern California to Baja California and 

 Arizona. 



*16. Juncus nodosus L., Sp. PL, ed. 2, 466. 1762. 



A species to be sought in the northern counties. It has been collected 

 at Farmington, N. Mex., about 45 miles cast of the northeastern 

 border of Arizona, and in the Charleston Mountains, Nevada, about 50 

 miles west of the western border. Nova Scotia to British Columbia 

 south to Virginia, New Mexico, and Nevada. 



17. Juncus torreyi Coville, Torrey Bot. Club Bui. 22:303. 1895. 



Navajo, Coconino, Yavapai, Maricopa, Pinal, Pima, and Yuma 

 Counties, very common in wet soil below 5,000 feet, July to August. 



