120 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 



Perigynia and sheaths not pubescent. 



Perigynia closely ribbed; pistillate 

 spikes nodding. (Pseudo- 

 cypereae.) 40. C. hystricina. 



Perigynia coarsely ribbed; pistillate 



spikeserect. (Physocarpae.).41. C. rostrata. 



1. Carex douglasii Boott in Hook. Fl. Bor. Amer. 2: 213. 1840. 

 Carexfendleriana Boeckel. Linnaea 39: 135. 1875. 



Type locality: Northwest coast of North America. 

 Range: Wyoming to Utah and New Mexico. 



New Mexico: Chama; Santa Fe; Ponchuelo Creek; Nambe Valley. Open meadows, 

 in the Transition Zone. 



2. Carex latebrosa Mackenz. Bull. Torrey Club 34: 603. 1908. 

 Carex gayana hyalina Bailey, Proc. Amer. Acad. 22: 135. 1886. 

 Type locality: Sonora, Mexico. 



Range: Nevada, New Mexico, and northern Mexico. 



New Mexico: Cienaga Ranch; Berendo Creek. Upper Sonoran Zone. 



3. Carex camporum Mackenz. Bull. Torrey Club 37: 244. 1910. 

 Type locality: "Columbia River." 



Range: British Columbia to California and New Mexico. 

 New Mexico: Chama (Standlcy 6753). 



4. Carex simulata Mackenz. Bull. Torrey Club 34: 604. 1908. 

 Type locality: Chug Creek, Albany County, Wyoming. 

 Range: Washington to Montana, Colorado, and New Mexico. 

 New Mexico: Cienaga Ranch (Wooton). 



Mr. Mackenzie also refers here Fendler's 881, collected somewhere about Santa Fe. 



5. Carex siccata Dewey, Amer. Journ. Sci. 10: 278. 1826. 

 Type locality: Westfield, Massachusetts. 



Range: British America to California, Arizona, and New Mexico. 

 New Mexico: Pecos Baldy;Winsor Creek. Arc tic- Alpine Zone. 



6. Carex occidentalis Bailey, Mem. Torrey Club 1: 5. 1889. 



Carex muricata americana Bailey, Proc. Amer. Acad. 22: 140. 1886. 



Type locality: Santa Rita Mountains, Arizona. 



Range: Montana to Colorado and New Mexico. 



New Mexico: Santa Fe; Winsors Ranch; Magdalena Mountains; Mangas Springs; 

 Manguitas Spring; Eagle Peak; Sierra Grande; Tierra Amarilla. Damp ground, 

 chiefly in the Transition Zone. 



7. Carex neomexicana Mackenz. Bull. Torrey Club 34: 153. 1907. 

 Type locality: Santa Rita del Cobre on the Rio Mimbres, New Mexico. 

 Range: New Mexico and Arizona. 



New Mexico: Organ Mountains; Santa Rita. 



8. Carex gravida Bailey, Mem. Torrey Club 1: 5. 1889. 



Type locality: "Northern Illinois * * * to northwestern Iowa." 

 Range: Ohio and Illinois to South Dakota, Oklahoma, and northeastern New 

 Mexico. 



New Mexico: Sierra Grande (Standlcy 6069). Upper Sonoran Zone. 



9. Carex rusbyi Mackenz. Smiths. Misc. Coll. 65 7 : 2. 1915. 

 Type locality: Yavapai county, Arizona. 



Range: New Mexico and Arizona. 



New Mexico: Organ Mountains (Wooton). 



