VOLUM E 1 8 PA RT 9 TH M RI A O R A E C N , FLO RA (PO AL E S) (CYPE RACE AE ) SCIRPEAE (CO N TIN UATIO ) H E NRY KNUT SVE NSO N ubsc i i P i S r p t on r ce , a i s Separ te C op e , PU BL ISHED BY THE N E W YO RK BOTAN ICAL GARD E N I ss d m 5 1 9 7 u e N ove ber , 5 i 2 c i r e * S e a . Revi sed Key to Tr be . p B Y HE N RY K N UTE SVE N SO N i b i Scales of the spikelet spi rally m r cate . l B ase of the sty le not en arged . i al Scales of th e spikelet not s u btended by nner sc es . — b a u th e b i l h 1 8 . S cal es u su ally not mem r no s , r st es , w en present , i i l i l i l ac . Br st es s mp e , somet mes k ng - m le i nco ta . Bri stles wi th plate like thi ckenings ( exc ept i n F . p ) Scal b a u i h a i l l a c i i the es mem r no s , w t spre d ng or oose y s end ng t ps , - bri stles u su ally nu merou s and silky elongate . E ach i l - cal u b b an i c l u i a sp ke et s e s tended y nner , ommon y r d ment ry , i hy al ne scale . l B ase of th e sty le en arged . — i as a ub cl Style base pers stent t er e . i i S cal l ab u i l l a i a th e l a cu l . es g ro s ; sp ke et so t ry , term n t ng e fless m al u i l l l Sc es p besc ent ; sp ke ets rare y so ita ry . — i b i b Sty le base dec du ou s ; r stl es a sent . - S cales of th e spi kelet 2 ranked . i b l A B I L D GAA RD I A . B ase of th e sty l e not pers stent as a tu erc e . i u l E L O C H A RI . B ase of th e sty l e pers stent as a t berc e . E S 2 F I RE N A R t b D escr 1 . U o t . l o . 70 . 77 . 3 n S n Pl . 1 0 . 1 805 . Va i ar i a . : 7 g Pers y . M l u c i al a l a u a la cca i all i u u or e or ess p bes ent perenn ( r re y nn l ) p nts , o s on y w th t bero s i u l u ll l a a l an ia i a - flower ed c . C u a d thi kened rh zomes ms s y e fy, ng ed str te , w th m ny terete i n i i l al an a l a lu . cal a l i ca a . S a . spikelets term n d xi l ry c sters S es sp r y mbri te , wned t men s 3 - l ci u u P l i i l i u uall cal -li S 3 c . a a l s x tyle eft , de d o s eri nth norm y of br st es , the nner three s y s e ke and a an a at a A l i u i d . c a c infl ted ov te the pex hene sh rp y tr gono s , whitened , be om ng brown a u l i a a as l as bo ac . when m t re , often p ro onged nto slender be k ong the dy of the hene ci u ll t Type sp e es , F . mbe a a Rottb . L a u c h a h i h e ves red ed to s e t s w t ou t blades . u l l a C ms e fy . i a h 6 l l - h i l Per nt of s ender retrorse y toot ed br st es . h i b i l cal th e i a h a - hi c at th e a T ree nner r st es ( s es) of per nt ov te t kened pex , an d u u all awn - i s y t pped . Th ree ou ter b ri stles c api lla ry to fili fo rm ( sometimes enlarged i n the i l i n m l ex s i . m dd e F . p ) Scal the S i l i h h l c u c i es of p ke et w t s ort ( 1 mm . ong) ere t m ro ; sp ke l c . bu s ta . ets ere t 3 . F . ro Scales of th e spikel et wi th a long fili form awn ; spikelets spreadi ng r e fi exed or . a the ach hi i ub c awn i al Be k of ene sp d to p es ent ; term n . Beak of the achene glabrou s ; awn ri si ng from below th e apex th of e s ca le . h u b i l l ac i i a h - cal a l i l T ree o ter r st es k ng ; per nt s es ne r y sess e . i a h - cal b a u i h a l cu a i n Per nt s es mem r no s , w t s ender re rved p ca l aw . — Pe r i an h scales spongy thi ckened at the apex ; api cal bri stl e u su ally l a ltm c g . 1 i s - . u ci r o id ea i Fl B F M . A m 1 1 . 8 . 80 . rena p chx or . : 3 3 Va i nari a Ri char di S n Pl 1 . : 7 0 . 1 805 g Pers y . ? u i rena lon ha m F a C . l . S S . 4 g . 3 . 5 1 . 1 89 7 . A alachi cola l i a F p U ed ( pp , F or d . ) P a e l a a c cu l c 2— dm all erenni l with ong te , woody, horizont l rootsto ks ; ms ere t , 6 . t , the a a 2— n l 3 cm . n l u i le ves represented by loose she ths lo g ; spike ets termi a , cl stered or somet mes — li a 5 12 - so t ry . l u c cal i a u u la uc a cal , mm ong , the p bes ent s es w th short , s b te m ro ; peri nth s es c a 1 l . a 1 . l ac ecom with thi kened, ov te body ( mm ong , not wned) with stipe mm ong ; hene b i n a l lac a u g ne r y b k when m t re , the somewhat hispid beak slightly longer than the s cales ; i l uali a br st es eq ng the stip e ; nthers mm . long . S e e 4 p . 7 9 . E 1 8 [V OL U M , 5 06 N O RTH AMERICAN FLO RA : l i a . TYPE LOCALITY F or d 0 a u a a uba ‘ h e c a al l a L , C DISTRIBUTION Swamps an d pineland ; on t o st p in , Georgi to o isi n I ( Pi n c e l — 1 3 S all M an . 8 . l . 5 - 7 la Ill . C . , ; m , 1 : l . C yp p Am . , Fl . ; Ii L iJ S TRAiiON S : M i chx . Bor p rke f PI 1 7 2 . E . S . 1 2 1 84 . 2 1 07 . as . : 2 Fu i a i c m l a N es i M a . Fl . B . ren n o p et e n rt r lu ca i c . 1 84 7 . ) Li a a 1 9 : 69 . ( , F u i r ena hexachae ta Schlecht . nn e To Mex o — all l a a ff P i c cul l 4 6 drn . t ; e ves n row , sti , erenni al with c reep ng rootsto ks ; ms s ender , r — — — i i c c a 6 1 0 spikelets In a 2 l 2 5 mm . w e nflores en e of dense he ds of 5 1 cm . d ; pubes cent , ong , — l ar i state ubescent ca cl l i cl i l 8 12 mm . long ob ong , the , p s es not ose y termin al pan e ; sp ke ets , l . ual c h i l u uall 6 l l a , i i appressed ; br st es s y , s ender , retrorse y b rbed eq ng or ex eed ng the s ort l . beaked achene ; anthers 2 mm .