Rit)IATJa -^ECESSARI.K ^$J 



Ohs: Genus constans 6. stlrpibus ex Spr: ameri- 

 canis ; herbae rarius frutices , foliis oppositis vel in- 

 terdum alternis , floribus spicatis. 



I. 1. frutescens = L. am: acad: III. p. 26. (^Amer* 

 bor: et austr: ). Frutic: Scabriuscula , folia opposita 

 petiolata lanceolata profunde serrata floralia sub-in- 

 tegcrrima , spica terminalis foliosa, flores brevissime 

 pedunculati sub-cernui. Cult! in b. Ripul: 



CXL. Baltimora Lin: gen: ed: Scbreb: n. i333. = Spr: 

 syst: n. 2860. = Lam: ill: t. ^09. (Corjmbif: sect: 

 V. Jusst, HeliatithecB Cassin:). 



)) AntJiod'. simpleX polypbjllum. Receptac: paleis 

 » fissis. Radius 5-florus. Akenia triquetra calva. » 



Obs: Genus constans unica specie {B. recta) ex N. 

 Hispan: f ann: difFusa birsuta, foliis oppositis ovatis 

 acumiuatis tenuissime serratis j floribus paniculatis 

 parvls luteolis< 



CXLI. Parthenium Lin: gen: ed: Scbreb: n. i^aS. zr 

 Spr: syst: n. 2864. = Lam: ill: t. ^66. (^Corjmhif: 

 anomalce sect: VIII. Juss:, Helianthece Cassin:). 



» Anthod: duplex 5 - pbyllum interius caducum 

 » (paleae flosculis foemineis propriae? Kunth ) , exte- 

 » rius persistens. Recept: paleaceum planum. Radius 

 » 5-florus. Akenia compressa squamulis seu aristulis 

 » coronata. » 



Ohs: Genus constaiis 3. stlrpibus americanis her-^ 

 baceis , foliis alternis integris vel i - 2 - pinnatifidis , 

 floribus corymbosis. 



I. P. inte^rifoliuni = L. h. ClifT; 44^- (^Amer: bor:). 



