PHYTOLOGIA An intern ational jou rnal to ex edite la n t s stematic b to eo ra bi l p p y , p y g g p ca and ecological pu blication 1 S e ember 1 1 Vo l. 7 pt 99 CONTENTS TRE M N w ll n n n t r c l fl r . A ne CUA CASAS . c o o o o o o , J , is e a e us tes e pi a a XX species of Humiriastru m 1 65 R T F w f S . rm l rr t n f t c th in the th rn OSS . o co c o o o c t o , , a e i spe i i epi e s s u e . N N H N A eratina nd w f B artlettina ROB S O . o t on a ne c o / I , , es g a spe ies (Eupato rieae : Asteraceae) 1 7 1 /R )BIN N H N w w f C SO . e c and ne comb n on o Crit oniinae from , , spe ies i ati s Meso ame ri ca (Eupato rieae : Asteraceae) 1 76 ’ R B N N H Tw w f Fleiscbman m a fr m M r O S O . o ne c o o m c / I , , spe ies o es a e i a (Eupatorieae : As t eraceae) 1 8 1 /ROBIN N Tw w M le a M SO H. o ne c o f i an i in m r c m , , spe ies esoa e i a (Eupatorieae : As te raceae) 1 84 E AL N D L f f a a r i S C O A F . l . n tom o f o r n c o f Ca m ost s K , , ea a a y u tee spe ies g ct on D e euxia b ct on S t la rostis Po c : Po oideae from se i y , su se i y g ( a eae ) the Andes of S o uth America 1 87 T RNE Tr f E P U B . L . n r o f two c o f S enecio t seudo nox s , R , , a s e spe ies o gy y (Aste raceae - S enecioneae) 2 05 5 “ ’ 1 NE - L . N U B . es m ia cbi énsi A E w o cz s t r c u at rieae . ne R R , , p ( s e a eae o ) a / p genus and spe cies from Mexico 2 08 n v Con tent s co nt i ued o n inside co er. ' P bl h d b Mich l W r u is e y ae J . a nock 1 8 5 W t r d Dr v H n v ll T es i ge i e u ts i e , exas 7 73 40 U S A . v rv and nno d ch ckl t o f No r h Am r E . H. O c n TERRELL , i a tat i t i a , e ew e e s e f Hed otis Houston ia Oldenlandia R b c and species o y , , ( u ia eae), related gene ra 2 1 2 R d f n o n o f Hes erodoria A r c : Astereae an L. d M C . NESO , , e e i iti p ( ste a eae ) r t o n of Columbiadoria new mono t c n from the the seg ega i , a ypi ge us western United S tates 2 44 L M h l l d f n t on o f th e Gu tierrez ia r NE M C . o r o o c o SO , , p gi a e i i i g up (Ast eraceae z Astereae) 2 52 L C o rr ct o n in no m ncl t r fo r Tomen tau rum NES OM C . , , , e i e a u e (Asteraceae : Astereae) 2 63 ’ ' - V H r h eca cbibuabu an a C m t GARC A ARI§ ALO A. ete ot o o , I , , ( p si ae Astereae new t and ob rv t on on its t lo c l t 264 ), si es se a i s ype a i y Books received os a at Hun s i l p t ge t v l e , TX . indiv idual subscription subscription ( 1 2 issues): $ 4 sales: Curren t issue and b (previo us to vo lume per copy (no t all available as co mplete v o lumes); $ 2 per vo lume postage US per vo lume chan es to Ph to lo ia 1 8 Wes id Dri g y g , 5 tr ge 1 8 1991 N EVV Y - OR K Phytologic (S ept ember 1 99 1 ) 1 66 . 5 0 I AN iCAL Q AR D : A NEW SPEC ES MISCELLANEOUS NOTES ON NEOTROPICAL FLORA XX. I OF HUMIRIAS TR UM J ose Cuat recasas a m of B o a m o a u o Wa i o D . C . 205 60 Dep rt ent t ny, S iths ni n Instit ti n , sh ngt n , U . S . A. ABSTRACT A i H u m ir iast r u m lie s n e r i om Ve ue a Gua a newspeces , fr the nez l n y na is described . KE : u a H mirias trum V z u la Y WORDS H miri ace e , u , ene e In the continu ed pro cess of working on the Hu m iri aceae for the Flora of V z u la ua a a a a o M ou Bo a al Ga a the ene e n G y n , in prep r ti n by the iss ri t nic rden , new species of Hum iriastru m has been found which is here described . Hu m i iast r m i r a a n v : V NEZUELA. r u l e s n e ri u at ec s s s . o . T P E C , p Y US T P oa Am o a . o ra a u i um m . Fed. az Dt Rio N o A c m n err n s , egr , Cerr s it , r Cam m d um m o o 1 4 m a o k ou o p , e i height , se i pen f rest , 00 , ne r r c tcr p in li a iesn r . arn eva a a u 2 m u 2 Oct 1 7 . L e 8 G C s v nn , b ds green , shr b , 8 98 , R 22589 (HOLOTYPE : US ; Isotype : MO) . am ul Fru tex vel arb uscula circa 2 m alt a dense ram ulosa. R i , mi den siuscule hirt uli a d confert e foliosi deni ue labrati ti , scen entes , q g b e - o a crass u scul o a ot undat a teretes runn scenti viriduli. F li i e c ri cea r u u l u a v el aulo a ua a o bt u sa ue u oh sq e eviter ret s , p tten t q fere s b t rulat a a m a u t e u a a - a a , b si ng ste acu q e c une t a; m rgine brevi cren t l incrassat a revolut a u e adaxialit er a al m u eviter q ; nitid , s te in j ve li a minut e ue hirt ula o a a a a secun ni sp rse q , c st sign t depress , nervis d ariis 6 ut roque latere aliqu ando cons icuis vel obsoletis venulis p , re t iculat is de pressis su perficie r ugo s a efferens ; abaxialit e r prim u m u o- ula m u lo ula deinde o lerum ferr gine virid in te pi s s rdide viridis , , p u e la a e li ad a m ulo v enulorum con q g brescens sed p r is pi s b si , retic s icuo su erfi cie o - p , p mnia dense m inu te glanduloso gran ulat a; v ulgo x cm ali uae m o x cm , sed q in res ) 1 66 P H Y T O L O G I A volum e - 1 66 Sep tem ber 1 991 a Pseu do etiolus 1 - 3 m m ad a m o o incrassat o int erpossit e . p , b si d rs - pulvinat o gland uloso . t e lerum u e ol a non con Inflore scen ia terminales p q f i excedentes , cor mboso- aniculat ae 2 -4 x 3 - 4 cm e du nculo a 1 cm ferte y p , , p circ longo ; rami m ono chasiale s aliqu an do 2- 4 in ae qu ales pse u doverti - o cilati; ram u sculi t errninales breves 1 4 flores ferent es . Fl res in s eciminibus non evolutis em m atio a u brevit er lla . p , in g st t , pedice ti am ram usculi ediceli ue densiuscule m in Pedicelli m m . R i p q c ae x i u a . u t e qu e hirt uli . B ra t e m o dec d e l o o a A a a a v rid a s b l b sa m m lo a.