OEDE& 155, CYPERACEJB. 741 



ing like a continuation of the scape, thrice longer than the other; glumes 00, 

 with a short, recurved or squarrous point, finally brown ; ach. minute, of a dull, 

 brownish-white. Sandy banks, N. Eng. to Penn., Ky. and S. States. (Isolepis, 

 fichrad.) 



9.. LIPQCAR'PHA, Brown. Spikes many-flowered; glumes spatu- 

 late, Imbricated all around ; interior scales 2, thin, subequal, involving 

 the flower and the fruit ; perianth none ; stamens 1 ; style 2 or 3-fid ; 

 achenium coated with the scales. Culms leafy at base. Spikes numer- 

 ous, collected into an involucrate, terminal head. 



I*, maculata Torn Culms triangular, 3 to 8' high, longer than the narrowly 

 linear, often involute, smooth leaves; invoL of 2 long Ivs. and 1 short one, spikes 

 3 or 4, ovoid, acute, closely aggregated - glumes very numerous, acute, narrowed 

 to the base, white hyaline, marked with red dots, green along the midvein. longer 

 than the 2 interior scales (spikelet) ; stamen 1 ; style bifid, longer than the tawny, 

 oblong acUeuium. Wet grounds, Ga. to Fla. (Kyllingia MX.) 



10. FIMBRISTYLIS, Vahl (Lat. jimbris, a fringe, stylus, style ; 

 from the ciliate style.) Glumes imbricated on all sides ; bristles ; 

 style compressed, 2-cleft, bulbous at base, deciduous, often ciliate on the 

 margin. If With the habit of Scirpus, Lvs. mostly radical. 



Spikes IR a subslmple 111111)01, rusty brown, few, ns thick ns n pepper-corn Nos. 1, 2 



S Spikes in a deoase liead. InvoL very lung. (Na 8.) Spikes 2 only, lateral. (No. 4). Nos. 3, 4 



1 F. spadicea Yahl, Culm I to 3f high, hard and rigid, flattened, channeled ; Ivs. 

 semi-terdz, filiform, dtaawded ; umbel of few rays, longer than the 2 or 3 subu- 

 late Ivs. of the invol.; spikes few, ovoid-obloug becoming oblong-cylindrie, when 

 old, 3 to 6" long, 2" thick; glumes broad-ovate, mucronate, rust-colored, finally 

 dark chestnut brown; staro. 2 or 3; style fringe-pubescent; ach. whitish, min- 

 utely dolled. Marshes, K T. to Fla, W. to III (Lapliam). JL Sept (F. cas- 

 taneus MX.) 



/?, FEUEDGIKEA. Umbel of many rays, somewhat compound. (F. ferrugineus 

 Vahl.) 



2 F- laxa Vahl. Culm 2 to 12 f high, flattened, strlate; Ivs. fiat, linear , glaucous* 

 rough-edged, shorter than the culm ; umbel few-rayed, slx>rter than one of the 

 leaves of the involucre; spikes ovoid, acute, 3" long; glumes ovate, brown; 

 stamen I; sty- dark purple, fringed; acJi. whitish, with 6 to 8 prominent ridges 

 lengthwise. Clay soils, Penn. to 111. and S. States. JL Sept. (F. Baldwinii 

 Torn) 



3 F. arg6iitea VahL Glaucous; culms tufted, 2 to 4' high, setaceous, com- 

 pressed; Ivs. radical, filifornij as long as the culms; spikes 5 to 8 cylindric-oblong, 

 acute, sessile, straw-txlored, in a dense head; invol. 3 or 4-leaved, many times 

 longer than Hie head*, usually longer than, the culm; glumes 20 or more, lance-ovate, 

 mucronate; stam. L; sty, 2-cleft, ciliolate; ach. white minute. Ga! to La. (F. 

 congesta Terr.) 



4 F. distachya Chapman? Culms setaceous, leafless, tufted, 3 to 4' high ; 

 spikes 2, globular-ovoid, lateral, sessile near the top of tho culm, 1'' long, dark 

 brown; glumes very numerous; sty. 2-cleft; ach. minute, but as long as tho 

 glume. Slid. Fla, (Chapman. It is Hemicarpha subsquarrosa Nees.) 



11. TRICHELOSTYLIS, Listiboudok (Gr. T/J^O^ threefold, 

 crruAof ; from the character.) Glumes in 4 to 8 ranks, carinate ; bris- 

 tles none; style 3-cleft, deciduous below the bulb (if any) at the base ; 

 achenium triangular. 2{ Sts, leaty at the base. Spikes in a terminal 

 Lead or umbel, 



Splkos in a compound umbel, oblons, femiciiwus Nos. t, 2 



5 Spikes in; (i ibsimplc umbel. 2 to 4 to 6, chestnut colored No. 8 



Spikes i u a tkttse liwl, greenish. In voiuere leaves dilated at base Nos. 4, 5 



| Spike solitary, greenish, lateral Rur the summit <f the culm No. 



1 T. auttunnalis. Culm compressed, 2-edged, caespitous, leafy at base, 3 10' 



