164 



BCIKPUS— SCLERIA. 



called from its property of drying up hu- 

 mors.! 

 mariti'ma, (squill, w.) ecape long, naked, 



many-flowered; bracts bent back; root 



bulbous. Ex. 



SCIR'TUS. 3—1. (Cijperoidecs.) [An ancient 

 Latin name for the Bull-rush.] 



1. Seed surrounded with bristles at thebase. 

 {Style articulated to the seed ; base dilated 



and persistent. Seed often lenticular: 



Sjnkcs terminal, solitary.) 



capita' tus, (Ju. 2^.) stem terete or sub- 

 compre-ssed ; spike ovate, obtuse ; seed 

 oval, compressed, smooth. Wet places. 8- 

 18 i. 



ten"nis, (Ju. li) culm slender, quadran- 

 gular ; spike elliptical, acute at each end ; 

 glumes ovate, obtuse ; stamens 3 ; styles 3- 

 cleft; seed rugo.se. 8-12 i. 



pusil'lus, (J. 2^.) culm compressed, sub- 

 angular; spike ovate, compressed; seed 

 obovate ; stamens 3 ; style 2-3-cleft. Salt 

 marshes. 1 i. 



acicula'ris, (Ju.) culm setaceous, quadran- 

 gular ; spike ovate, acute, 3-6-flowered ; 

 glumes somewhat obtuse ; stamens 3 ; styles 

 bifid ; seed obovate. 3-6 i. 



planifo'lius, (J.) culm triquetrous ; radical 

 leaves linear, flat, nearly equalling the 

 culm ; spike oblong, compressed, shorter 

 than the cuspidate bracts at the base. 8 i. 

 Swamps. 



(Style filiform, not bearded, dccidumis.) 



lacus"tris, (J. H.) culm terete, attenua- 

 ted above, naked ;' panicle sub-terminal; 

 spikes peduncled, ovate. 4-8 f. 



amcrica'nus, (Au. IX) culm nearly na- 

 ked, triquetrous ; sides concave ; spikes 

 lateral, 1-5, ovate, conglomerate, sessile; 

 glumes round-ovate, mucronate ; seed tri- 

 quetrous, acuminate. 3-5 f. 



debi'lis, (Au. 2^.) culms cespitose, deeply 

 striate ; spikes about 3, ovate, sessile ; 

 glumes ovate, obtuse, mucronate ; .margins 

 of ponds. 8-12 i. 



brun"neus, (Au. 11) culm leafy, obtusely 

 triangular; cyme decompound ; involucrum 

 3-4-le"aved ; spike round-ovate, clustered in 

 about sixes ; glumes ovate, obtuse. 2-3 f. 



atrovi'rens, (Ju. 11. ) culm triangular, 

 .eafy ; cyme terminal, compound, prolifer- 

 ous ; involucrum 3 leaved; spikes conglom- 

 erate, ovate, acute ; glumes ovate, mucro- 

 nate, pubescent. Wet meadows. 2 f. 



macrosta'chyus, (Au. 2^.) culm trique- 

 trous, leafy ; corymb clustered ; involucrum 

 about 3-leaved, veiy long ; spikes oblong ; 

 glumes ovate, 3-cleft ; middle segment sub- 

 ulate and reflexed ; style 3-cleft. 3-4 f. 



Style filiform, deciduous. Bristles much 

 longer than the seed. 



eiiopho'rum, (red cotton grass, Au. IX) 

 ritem obtusely triquetrous, leafy ; panicle 

 decompound, proliferous, nodding; spikes 

 peduncled ; bristles surrounding the peri- 

 carp exsert. 4-5 f. Swamps. 



hnea'tus, (leafy scirpus, Ju.) culm trique- 

 trous, leafj' • panicles terminal and lateral, 

 decunipound, at length nodding ; involu- 



crom 1-2-leaved; spikes ovate; glumes Ian 

 ceolate, somewhat carinate ; bristles longei 

 than the seed. 2-3 f. 



2. Seed naked at the base. 



f Style s^imple at the base, not articulated to 



the seed, deciduous.) 



autumna'lis, (flat stemmed scirpus, S. 2^.) 

 culm compressed, ancipitous ; umbel com- 

 pound ; involucrum 2-leaved ; spikes lance- 

 olate, acute, a little rough ; glumes mucro 

 nate, carinate. 8-12 i. Low w^oods. 



sim"plex, (J. 2^.) culm columnar ; spike 

 somewhat ovate ; glumes sub-ovate, ob- 

 tuse ; pericarp obovate, 3-angled. 8-13 i. 

 S. 



fiUfor"mis, (Au.) spike cylindric, oblong, 

 obtuse ; scales roundish ; pericarp naked at 

 the summit ; culm filiform, terete. S. 



tuberculatus, (Au.) culm columnar, striate; 

 glumes very obtuse, loose, appressed ; seed 

 somewhat 3-angled ; tubercle sagittate, 

 larger than the seed. 12 i. S. 



equisetoi'des, (J.) culm erect, terete, dou- 

 bly jointed ; spike cylindric, terminal ; scales 

 very obtuse. 18-24 i. S. 



genicula'tus, (Ju.j culm terete, growing in 

 distinct clusters ; spike ovate-oblong; scales 

 round-ovate. S. 



quadrangula'tus, (M. 11) culm erect, 

 glabrous, acutely 4-angled ; 3 sides con- 

 cave ; one wider, flat ; spike cylindric ; 

 glumes very obtuse. 1-2 f. Swamps. S. 



sylvaf'icus, (wood rush, 11) spikes ob- 

 long, crowded ; corymb leafy more than 

 decompound; culm leafy, triquetrous; scalea 

 oblong, obtusish, green. S. 



SCLERAN"THUS. 10—2. (Portulaccem.) [From 



skleros, hard, and anthos,Gower, alluding to 



its hard calyx.] 



an"nnus, (knawel, 0.) stems slightly 

 pubescent ; calyx of the fruit spreading, 

 acute. Stems numerous, procumbent. 

 Flowers very small, green, in axillary fas- 

 cicles. Dry fields. 



pcren"nis, [li) calyx of the fruit with 

 obtuse, spreading segments. England. 



SCLE'RIA. 19—3. (Cyperoidece.) [Named 



from its hard and polished fruit.] 



tri'glomera'ta, (whip grass, J. 2/.) culm 

 acutely triangular, scabrous; leaves lance- 

 linear, channeled, a little scabrous, sparing- 

 ly pilose ; spikes fascicled, lateral and ter- 

 minal ; glumes cilisite ; nut smooth. 2 f. 



pauc^o'ra, (Au. IX) culm triquetrous, 

 glabrous; leaves linear, glabrous; spikes 

 lateral and terminal, few-flowered, the lat- 

 eral ones pendulous, fasciculate ; glumes 

 smooth; nut rugose. "Wet meadows. 12- 

 18 i. 



verticilla'ta, (Au. 2^.) stem smiple, tri- 

 quetrous, smooth; leaves glabrous; spike 

 glomerate, naked, clusters alternate 

 glumes glabrous; nut globose, mucronate, 

 transversely corrugate. 1 f. 



oligan"tha, (M.) stem slender, triquetrous, 

 glabrous; leaves narrow, nerved, slightly 

 scabrous; spikes 2-3, sub-terminal, ses-sile, 

 one lateral, one remote, long peduncled ; 

 nut very smooth, shining. 12-18 i. S. 



o-ra'dlis, stem filiform, triquetroas. and 



