132 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Auricles conspicuously produced be- 

 yond the point of insertion. 

 Stems stout; leaves short and 

 broad; perianth 4 mm. long, 

 scarious at base; cymes 



open 16. /. brachyphyllus. 



Stems slender; leaves long and nar- 

 row; perianth 3.5 to 4 mm. 

 long, scarious to the apex; 



cymes dense 17 . /. con/usus. 



Auricles scarcely produced beyond the 

 point of insertion. 

 Perianth segments about equaling 

 the capsule, 3 to 4 mm. 



long 18. J. interior. 



Perianth segments mostly exceed- 

 ing the capsule, 4 to 5 mm. 

 long 19. J. arizonicus. 



1. Juncus drummondii E. Mey. in Ledeb. Fl. Ross. 4: 235. 1853. 

 Juncus arcticus Willd. err. det. Hook. Fl. Bor. Amer. 2: 189. 1838. 

 Type locality: "At a great elevation on the Rocky Mountains." 



Range: British America to California and northern New Mexico; also in Europe 

 and Asia. 



New Mexico: Spirit Lake; Truchas Peak. Bogs, in the Hudsonian and Arctic- 

 Alpine zones. 



2. Juncus balticus Willd. Ges. Naturf. Freund. Berlin Mag. 3: 298. 1809. 

 Type locality: "An den sandigen Meeresufern bei Warnemunde," Germany. 

 Range: Alaska and British America to California, New Mexico, and New York; 



also in Europe and Asia. 



New Mexico: Cedar Hill; Dulce; Chama; Farmington; Taos; Baldy; Winsors 

 Ranch; Jewett; Gallo Spring; Lone Mountain; Berendo Creek; Mesilla Valley; Silver 

 Spring Canyon. Wet ground, in the Upper Sonoran and Transition zones. 



3. Juncus mexicanus Willd.; Roem. & Schult. Syst. Veg. 7: 178. 1829. 

 Juncus balticus mexicanus Parish, Muhlenbergia 6: 119. 1910. 



Type locality: "In Mexico." 

 Range: Texas and Arizona and southward. 



New Mexico: Cloverdale; White Sands; Carrizozo; Malones Ranch. Wet ground, 

 in the Lower Sonoran Zone. 



4. Juncus nodosus L. Sp. PL ed. 2. 466. 1762. 



Type locality: "Habitat in America septentrionali." 

 Range: British America to Nevada and Virginia. 



New Mexico: Farmington; near Peco6; Castle Rock. Wet ground, in the Upper 

 Sonoran Zone. 



5. Juncus torreyi Coville, Bull. Torrey Club 22: 303. 1895. 

 Juncus nodosus megacephalus Torr. Fl. N. Y. 2: 326. 1843. 



Juncus megacephalus Wood, Bot. & Flor. ed. 2. 724. 1861, not Curtis, 1835. 



Type locality: "On the shores of Lake Ontario." 



Range: British Columbia and New York to California and Texas. 



New Mexico: Shiprock; Farmington; Dulce; Las Vegas; Zuni Reservation; Albu- 

 querque; Pecos; Berendo Creek; Silver City; Mesilla Valley; Carrizozo; Mescalero 

 Agency. Wet ground, Lower Sonoran to Transition Zone. 



