PHYTOLOGIA An interna tional ou rnal to ex edite lan t s s tema tic b to eo ra bical j p p y , p y g g p and ecological publication Vol . 74 Februar 2 y 1 993 N o . C ON TEN TS AN Ta n mic vervie Stem odia Scr . W NER B . L . C . CO ( TUR , C , xo o o w of ( o 1 phulariace ae ) fo r North Am erica and the We st In dies . 6 B IDGES Eriocaulon n i robracteatum Eri caul aceae Z L . L. OR EL , S L E R , g ( o ) , l rida Pan an dle i a c arac eri a i n it s a new specie s from the F o h , w th h t z t o of 1 04 poor fen h abit at . - I I Dist ribuc1on ec l ia de Pinus ohann is ARCIA A. , A. M . F . PASS N , y o og j - 1 25 M . F . Robert . l aceae r m Oa aca ic . UDEN R . W. New s ecie of Echean dia i i R , , p s (L ) f o x , Méx o 128 ' . w e s ecies Acourtia. As eraceae Mutisieae URNER B . L A ne sca , , pos p of ( t , ) fr m Be 138 o lize . ra n a E edrac ae r m We ENDT T . A n ew varie E hed torre a , , ty of p y ( ph e ) f o st ' Te as an d i ua u a i n e on bridi a i n in the E . torre an a x Ch h h , w th ot s hy z t o y c 14 1 om plex . w u Br m eliacea SPEN . M acin aea a ne en CE M A L. B . S ITH R , , , g s of o e “ R Tillan s 1 5 1 ( d ioideae ) . T a U NE B . L r a uil . A new ecie Sen ecio As eraceae r m n r n C R R , , sp s of ( t ) f o o the o h , i 1 1 Méx co . 6 TURNE B n r R . L. Two n ew eci Poli m in tha Lam iaceae fr m J , , sp es of o ( ) o o th ea ern ic 1 64 st Méx o . ! B e ooks r ceive d. ARY PHYTOLOGIA (ISSN 0 0 3 1 9 430 ) is publish ed m o nthly with two volumes per year Mi h l W nd Class b c ae . arn k W ll eco oc 1 8 estrid e D rive Huntsvi e TX 7 7 40 . S y ] , 5 g , , 3 o sta e at Hunt ill n l dom estic i h t 1 1 P YT L I . n ua sv e TX . 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Departm ent of Bot any, Uni e s ty of ex s , st , x s ABSTRACT A taxonomic study of the species of Stem odia occurring in North vent n i s are rec Am erica an d the West Indies is rendered. Se ee spec e Th in lu d Stemodia an ulata ognized as native within this region . ese c e g , li . uti hia ens . uile is . dum n ti o a S r S. barts ioides, S. c p is, S coah ns , S f , f d n a n tha . maritime . m ulti a case, S. jorullensis, S. la ata, S. m cm , S , S fi , ' . alm eri . edunculan s . usilla S. schottu S. t nui olia and S . S p , S p , S p , , e f , erti illat t tem odia coahuilens is an d . m ulti da hi h v c a. Excep for S S fi , w c are curren tly un der revision by D avid Keil as part of his concept of the nu Leucos a ke to i d ri ti n di tributi nal m a ge s pom , y spec es , esc p o s , s o ps , w i t a vi . ne e and comple e syn onymy for e ch of these is pro ded O n spec es , m St e o d c e is . s d. he nu Leuco o rn ia hiap ns B L Turner, i propose T ge s sp hi is treated as part of Stemodia but Schis tophm gm dis retain ed. T s has n ecessitated the followin g new combinations : Sch ist o phr agrn a o l a L. r and St e m o dia co ah u ile n sis p yst chya (Brandegee ) B . Turne Turner . KEY WO D : S r ularia a Leu cos ora chisto hra m a Ste R S c oph ce e , p , S p g , m odia Stem odia b l n the amil cr ularia a ub amil Antirrhinoideae e o gs to f y S oph ce e , s f y , rib Gratioleae re it has b n vari u l a d i h r as a ra r lar t e , whe ee o s y ccepte , e t e the ge , i hl variabl nu tem odia a v ha m all h g y e ge s S or as less di erse , somew t s er genus Stem odia Most early workers m ore or less took the form er st an ce Bentham 1 886 ; Wettstein 1 89 1 ) but Mino d in his revisionary ud the W rld a a d a i all ri d a n c n or st y of New o t x , r st c y reo ente t xo omi co cepts attitudes on the group by recognizing a m onotypic Stem odiacra (typified by Stem odia m aritim a an ld o t m dia t m odi v r was o er nam e f r S e o . S e a, howe e , ub u n l v o a ou t his s seq e t y con served o er Stem odiacra. Min d also segreg ted of i 62 P H Y T O L O G I A volum e 74(2) :61 - 1 03 Febr uary 1 993 m dia l ur n l r d m n i n ra Choda h ton ba d Ste o com p ex , fo ew y e ecte o otyp c ge e ( p y , se t m odia erici olia un z Ha l r Lin dern ia ba d u n Stem odia upon S e f [K t e] ss e ; , se po rti illata ill r Ha l r Valeria bas d u n Stem odia tri oliata in ve c (M e ) ss e ; , e po f [L k] an r n r a Reichenbach Stem odia pratensis (Aublet) C . Cow of the p ese t t e t m n an d Veren a ba d u n Stem odia hasslerian a Cho dat . He r ain d e t] ; , se po ) et e most of the rem ainin g New World t axa of Stem odia in his con cept of di i t m odia. o r a d he re n z d 3 1 ci Stem o a as urrin n S e S t e te , cog i e spe es of occ g h urrin in the Am ri a n r h u h the New World, thirteen of t ese occ g e c s o t of So t Am erica. ’ Most subsequent workers Barroso 1 952; D awson 1974; D Arcy 1979; Seymour 1976 ; St andley 8: William s 1973) have continued to t reat Stem odia i br ad n in in it m the m n i r a r d n the o se se , keep g ost of o otyp c seg eg tes p opose ‘ b Minod. We al ub rib the ider vie i the c i n a y so s sc e to w w , w th ex ept o th t w r ain d b Mino d uban i Stem odia radi ans riseb.