] 22 AI^'T. 19. — B. HAYATA : 



List PI: Formos. p. 51 ; Hayata, Comp, Forinos. p. 7 ; Matsum. et Hayata, 

 Eumn. PL Formos. p. 202. 



Hab. Taitö : Bokusekikaku, leg. T. Kawakami et U. Moki, Dec. 

 190(3, (Xo. 1831). 



DisTKiB. Generally spread over all the warm regions, though 

 often existing only as a colonist. Perhaps, an American origin. 



JUnpatoviu^u Linx. 



Eupatorium formosanum Hayata, sp. nov. Herbœ basi suffru- 

 ticosse praeter infiorescentiam subsimplices villoso-pubescentes. 

 Folia opposita tri-partita, segmentis lateralibns sitbsessilibus lan- 

 ceolatis basi obliqnis vel latere inferiore ad petiolum decnrrentibus 

 segmentis terminalibus lanceolatis breve petiolulatis iis lateralibns 

 longioribns, apice acuminata basi acuta serrnlata supra scabra 

 subtus pallidiora pubescentia ad costas venulasque villosa, petiolis 

 villoso-pubescentibus segmento terminali 2-plo brevioribus. Capitu- 

 lum parvnlum 7 mm. longum corymbosum 4-5-florum. Involucrnm 

 oblongo-campanulatum, bracteis 3-seriatis imbricatis scariosis, 

 intimis oblongo-angustis 5 mm. longis, exterioribus gradatim minori- 

 bus, extimis parvissimis ovatis IJ mm. longis. Eeceptaculum 

 parvum convexum foveolatum. CorolkT tubulata? 4 mm. longue, 

 tubis tenuibus limbis parum ampliatis tubo 2-plo brevioribus 

 breviter 5-dentatis, dentibus triangularibus marginatis. Antherae 

 appendiculatae basi obtusa3 integra\ Styli basi disco dentato an- 

 nulari coronati, ramis elongatis obtusis. Achacnia 5-angulata apice 

 truncata basi attenuata 2 mm. longa ; pappi setœ 1-seriatœ rigidulœ 

 scabrse 3 J mm. longa?. 



Hab. in monte Morrison, ad 7000 ped. alt., k^g. T. Kawakami 

 etU. MoEi, Oct. 1900, (No. 1961) ; Arizan in montibus Morrison, leg. 



