1 8 John Mallory Bates 



herbae 3 dm. altae robustae ; folia viridissima pertinentia ad 

 radicem, per hiemem semper virentia. Herbae abundantes 

 in valle nemorosa ad Long Pine, Nebraskae. 



Perigynium subglobose from a lengthened base, 4 mm. 

 long, 2.1 mm. wide, more or less, irregularly triangular; 

 beak i mm. long, more or less, stout, truncate, not hyaline, 

 cylindrical at the apex ; base about i mm. long, tawny ; 

 plants 3 dm. tall, vigorous ; radical leaves very dark, ever- 

 green throughout the w'inter. Plants abundant in the 

 wooded canon near Long Pine, Nebraska. 



I have collected this variety also at Valentine, Ft. Nio- 

 brara, and eight miles east at Parry's Falls, and at Merri- 

 man, sixty miles west of Valentine ; thus extending the 

 known range about 125 miles in Brown and Cherry coun- 

 ties. Specimens have been deposited in State University, 

 Columbia University, Gray Herbarium and several private 

 herbaria. My Quebec specimens agree perfectly with the 

 cuts and descriptions of Boott., Gray and Britton and 

 Brown. 



In dry, sandy thickets and open places. May and June.^ 



29. C. filifolia Nutt. " Nigger head." On dry bluffs and open 



prairies, forming masses of black, wiry roots which when 

 plowed will roll under the harrow and be on top of the soil 

 for several seasons. Ft. Robinson ; Valentine ; Long Pine ; 

 Gordon; Butte, Boyd Co. (Bates); "Deuel Co. Rydberg'' 

 (Uni.). Probably the only reason this has not been col- 

 lected more is because it blooms the first week in April and 

 drops its fruit before collectors can get out on vacation 

 work. Add Stratton, Hitchcock Co. (Hapeman). 



ViGNEA 



30. C, stenophylla Wahl. On high, dry prairies. Blooms at 



same time as filifolia, forming the earliest pasture. Craw- 



2 Since completing the description of Carex diirifolia subrostrata, I have 

 received a specimen of C. durifoUa from Wyoming, by the courtesy of 

 Prof. Aven Nelson. It agrees quite fully with the eastern form and leaves 

 ours unique. Our achenes also have nearly twice the bulk of the Wyoming 

 form. Ours would make as good a species as very many others. 



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