THE NORTH AMERICAN SPECIES OF FUIRENA. 



91 



towards the base of the stem reduced to acuminate sheaths, 

 on the upper part of the stem with narrow, acuminate 

 blades 2 to 5 cm. long; bracts of the involucre linear, 8 to 

 25 mm. long, acuminate-cuspidate ; spikelets sessile, oblong- 

 ovoid, 2 to 6 together in the clusters, 10 to 15 mm. lono- 



light brown at maturity ; scales obovate or oblong, several- 

 ribbed, roughish-pubescent, with awns about as long as the 

 bodies; sepals 3; blades deltoid-ovate, obtuse or apiculate 

 at the apices, truncate at base, minutely scabrous nearly 

 all around, longer-stalked than in the last species ; peri- 

 anth-bristles one-half as long as the stalks of the sepals, 

 reaching to the middle of the achene, or shorter, retrorsely- 

 hispid; achenes oblong, acutely triquetrous, with concave 

 sides, yellow-brown at maturity, tipped by the long an- 

 trorsely hispid style, which is as long as the achene. 



Low pine barrens, Fl< 



- 



autumn. 



Specimens examined, 

 man, without date of 



1890 (B); 



M 



S 



out date of 



Florida: Apalachicola, Chap- 



dlection, type (M), Chapman, 



no locality given, Chapman, with- 



(B) ; no locality given, Chapman, 



without date of collection, in part, the stouter plants (M). 



Mississippi: Biloxi, Tracy 1526, September 1, 1894, in 



part, the stouter plants with several spikelets in the 

 clusters (N) . 



3. Fuirena cylindrica Bush, sp. nova. 



Rootstocks short, thick; stems tall, slender, not very 

 leafy, 3 to 4 dm. tall; leaf -blades short, flat, thin, smooth 

 above, closely pubescent beneath, 2 to 4 cm. long, 2 to 3 

 mm. wide; sheaths very short, smooth; spikelets sessile, 2 

 to 5 together in the capitate clusters, oblong or mostly cylin- 

 drical, 11 to 20 mm. long, 3 to 5 mm. in diameter; scales 

 obovate, deep reddish-brown, more or less hispid-pubes- 

 cent, 3-nerved, each tipped with a stout erect hispid awn 



