-04 MO.NOC0TYL0DEN0U8. 



angles, stout- leaves clinnnclid, with pcnlirous ninrgins. Sterile Fpike 1' i . . 

 t«leiidtr, Willi liin;ar-loiiif..!aii' ^jluincs ; liriile ^plkt•f, 3 pcndul"UJ«. i>.if» 

 long, !»cul»rnu«, iiirved. PuUfr oviiti , l»cokid, 2-tlelt at the 8umiiiU. Glumt 

 small, wnh n bubulaic ikmiii. I-'rutt oblcmg-luntculuic, leaked, iiiuiiy ijcr\ed, 

 with the n|>ex hitid. 



% June. Ill swamps. 2 ft. 



44 C CJlaitescev;. S/«ni 3, angled, glabrous. J>orr« nnrrow-clmnncled, 

 tHTruinit , ilif Km. r ort-s glaueoiis. Sterile tpike solitary, i)eduiituliite, with 

 lerrugiiuMi.e, ovuie pluims; Urlile spikes 3-t, e)lindneBl, on thori ptduneles, 

 l»ecoini,ig pniduliius. >taUs ovuie, tinarginale, iiiucrunaic. I'uUte ovale, 

 yluucous. Frutt 3 11!!. lid. • 



'4 April— Muy. Around pnnds. 1-2 ft. 



(*:> S/fi/f fpikcs numerous. Stigmas 2 



lis C Cri.mta. ^It-m treci. Iamvo long, pale green. Sterile ppikes, per- 

 niinaif, ^ollletlnles> androgynous; feiiile ones 4, distant, pendulous. J-ruit 

 roundt>li, ovate, slightly be.iked. Glume linear, longer than the Iruii. 

 '4 June. fc'V\uiii|is. 2-4 ft. 



46 C AcLTA. S/fw acutely 3-nngled Ixavet somewhat plai'eous. Ster- 

 ile spikes 1-3 ; feriilcoi.es usually 3, niuldmg, remote, eylmdraul. Glunut 

 ublonc, aou'e, brow.r. I'ruit oblong, as long as the glume. 



% May. Wt I soils. 2 ft. 



(/) Sterile florets 2, or mnre. Stigmas 3. 



47 C Tn'ouocARrA Stim crcci. S;erile spikes 'J-4, pedunculate; fertile 

 tlorets 3, jK'dutK uUiie, enei, cylindric. /'mi/ ovale-lanceolat« . i;..Liininate, 

 pube.'*eeni. Glumes uvaie, ocuminate, shorter than the fruit. 



'4 May. Swamps. 2-3 ft. 



48 C Laclstris. Stan erect, Sangled. Leaves brond, lonjj. Sterile 

 spikes u^ua!ly 4 ; Icrlilf one.** usually 3, erect, on short peduncles. Glumes 

 oblon.', niiieronaic. Fruit oblong, sinoo:li, many nerved, loni,er than the 

 gluiiu-s, lirown. 



'4 June. Suamps. 3-5 ft. 



49 C 1'eltjta. »V<m erect, 3-applcd. Leoc^-s long, linear. Sterile spikes 

 2-1, the upier ones |)edunculitie ; <Trtile ones 2-3, the up|)er OIu^< .'•essile, the 

 lowir on erect I'eiiuiitli'S. Glumes lanceolate, luucrouaic. Fruil ovale, 2- 

 clcfi, lioiiv, fhorier than the stale. 



% April — .May. D.iinp woods. 1-2 ft. 



50 C liiiAniA. N/tm erect, smooth, 3 angled. Zrntr* ligiilnte, the upper 

 onts without thcnilis. S;erilc spikes UMialTy 4. Glumes clmiry. Ferule 

 npikrs 3, erect, uiih sierile Howcrs at ihesuinimt. Fruit ovate, 2-clcfi, nerv- 

 ed, shmier ihan iln' glume 



'4 March— April. .Marshes. 1-2 ft. 



51 C HiLLATA. Stem blender, ncu'ely 3 angled. J.caves narrow, with 

 si-,ibrons murtriiis. Sier.le spike?, 3, slender; k-rtile spikes 2, ertci, on short 

 jM J iiules. Glumes lanceolate, acute. Palca ovate, wuh pubescent ner>'e». 

 Fiuii ovate, lieaki-d, 3-aiigled 



"4 April. In ditches. 2 ft. 



