THE NORTH AMERICAN SPECIES OF FUIRENA. 



97 



(M); Hempstead, Hall 



1, 1872 (M) 



June 1, 1872, in part, the three larger plants (MN) 



L 



107, August, 1843 (M) 



Tyler, 



Beverchou 2302, September 20, 1900 (M); Eastern Texas, 

 Nealley, 1884, 1888 (N); Southwestern 



Texa 



L 



( M ) . Indian Territort : 

 1891 (N). 



Sh 



7. Fuirena ciliata Bush, sp. nova. 



Rootstocks stout, elongated, tuber-bearing; stems stout, 

 leafy, 4.5 to 6 dm. tall, densely and softly pilose with long 

 white hairs; leaf -blades numerous, 3 to 8 on the stems, 

 broad and long, 5 to 15 cm. long, 4 to 6 mm. wide, densely 

 pilose on both sides, and ciliate on the margins with louo 1 

 white hairs; sheaths densely pilose with long spreading 

 white hairs; spikelets sessile, 3 to 8 together in the capi- 

 tate clusters, ovoid or ovoid-oblong, 6 to 12 mm. lone, 4 to 



6 mm. in diameter; scales obovate or oblong, 3-nerved, 

 densely hispid and ciliate with long white hairs, tipped 

 with a long slender ciliate awn, much longer than the body ; 

 sepal 



s 3 



; blades deltoid-ovate, truncate at base, tapering 

 into a blunt tip, thick, reddish, opaque; perianth-bristles 



o 



mi 



achenes oblong, sharply triquetrous, with concave sides, 

 rather more than 1 mm. long, tipped with the style, which 



■ 



is about one-half as long as the achene, white at maturity. 

 Swamps, eastern Texas. Summer and autumn. 



Specimens examined. — The only specimens seen are 

 those of the type, collected at Swan, Smith County, Texas, 

 by J. Reverchon 2911, June 10, 1902 (M), and those col- 

 lected at Palestine, Texas, hyH. Eggevt, June 10, 1899 (M). 



8. Fuirena simplex Vahl. 



Fuirena simplex Vahl, Enum. 2 :384. (1806). 



Fuirena squarrosa aristulata Torr. Ann. Lye. Nat. Hist. N.Y. 3: 291. 

 (1836). 



Rootstocks slender, usually fibrous, not tuber-bearino- ; 



7 



