Revision of the Genus Scleria. 231 



Habitat, Virginia to Florida, and through the Gulf States to 

 Texas. 



Very distinct from S. pauciflora, Muhl., to which it has been 

 referred bv Willdenow and Pursh. 



5. S. li1ho§perma, Willd., Sp. PL, iv, 316; Var. lilifoi niiv Culm* 

 slender, smooth, one to two feet long ; leaves narrowly linear, somewhat 

 scabrous on the margins and keel ; sheaths ciliate at the throat ; clusters 

 2-3, distant, erect, each interruptedly spicate ; the upper with setaceous 

 bracts, the lowest remote and leafy-bracted ; scales lanceolate, acuminate, 

 with rough points ; achenium smooth and glossy, oblong or obovate, desti- 

 tute of pores; base small, triangular ; perigynium none. Whole plant some- 

 what glaucous. 



S. lithosperma, Willd., (emend.) Var. 2, Bceckeler, Linnaea, xxxviii, 452. 



8. gracilis, Richard, Act. Soc. Hist. Nat. Paris, i, 113, ( Willd .fide) 



S purpurea. Poiret, Encycl., vii, 4 ; Sprengel, Syst. Veg., iii, 832. 



S. JUiformis, Swartz, Fl. Ind. Occ, i, 91 ; Sprengel, Syst. Veg., iii, 832; 

 Steud., Syn., 172 ; Kunth, Enum., ii, 348 ; Willd., Sp. PL, iv, 316 ; Chap- 

 man, 532 ; Grisebach, FL Br. W. I., 579 ; Dietrich, Syn. Plant., v, 251. 



Hypoporum purpurascens, Nees. Linnaea, ix, 303. 



Habitat, Southern Florida. Also in Cuba and throughout 

 the West Indies. 



The type is native to Australia, the East Indies and Southern 

 Asia ; our plant differs from it mainly in its more slender habit. 



* * 



Achenium reticulated or irregularly rugose. 



6. S. reticularis, Michx. Culms slender, erect, triangular, scabrous, 

 particularly below, or nearly smooth, one to two and a half feet high ; leaves 

 linear, one to one and a half lines wide, smooth ; lateral fascicles of spike- 

 lets one to three, remote, nearly erect, on short, often included peduncles, 

 loosely flowered ; bracts and scales glabrous, the latter mucronate ; ache, 

 nium globose, distinctly reticulated, its reticulations quadrangular-oblong, 

 pitted; perigynium conspicuous, 3 lobed, its lobes acute or somewhat obtuse, 

 appressed to the base of the achenium. 



