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BULLETIN UNIVERSITY OF MONTANA 



This grows on dry gumbo soil which is wet in the spring. It has the habit 

 of C. Gmelini and is nearest related to Raynoldsii, though having fruit char- 

 acters between that and ablata. Indian Valley, Southern Idaho, near Salubria, 

 July 12, 1899. Middle Temperate life zone. 



Carex aboriginum, 1, 2, 3. 



Carex nardina (from Britton, x9) 4. 



Carex stantonensis, 5. 6. 7. 8. 



Carex Elrodi n. sp. Spikelets 3-5, the terminal one all staminate or with 

 a few fertile flowers at tip, not over 2.5 cm. long, about 2 mm. wide, sessile, 

 the rest fertile, sessile (the lower short-peduncled and rarely on a long and 

 filiform radical peduncle), shorter, all linear except the very short subtermi- 

 nal ones, 3 mm. wide, chestnut-colored, contiguous, appressed, compactly 

 flowered. Perigynia oval, plano-convex with sharp sides, papillose, abrutly 

 contracted at base to a short stipe and at tip to a short bidentate beak not 



