COMPOSITE;. 61 



Achaenium longe cuneiformc 7 rum. lougum 1^ mm. la turn valde complanatum 

 clorso mcdio 1-carinatum ad margines et carinas retrorse setulosum ; pappi seta? 

 2 validissima) 4J mm. long?e acutre trig< :iife ad angulos retrorse setulosa?. 



HAB. Shichiseizan, leg. Y. SHIMADA, Sept. 1916. 



Near B. tripartlta, ljut differs from it in the simple, not lobed, leaves. 



2. Bidens tripartita LINN.; HEMSL. Ind. Fl. Sin. I. p. 436. 

 HAB. Shichiseizan, leg. T. SOMA, Mart. 1916. 



New to the flora of Formosa. 



3. Bidens bipinnata LINN.; HAYATA I.e. p. 37. 



4. Bidens pilosa Lixx.; HAY ATA I.e. p. 37. 



Sf/)tcdrella G.ERTX. 



Synedrella nodiflora G.ERTN.; HOFFMANN, in Nat. Prl-fam. IV. 5, p. 212. 

 HAB. Ako ; Nanki, leg. T. SOMA, Aug. 1915. 

 New to the flora of Formosa ; perhaps introduced. 



Tayetes Lixx. 

 Tagetes patula Lixx.: HAYATA I.e. p. 41. 



Chrysanthemum Lixx. 



Key to species. 



1. Leaves silky white or Lrown beneath 1. C' Morii. 



Leaves not silky beneath 2. 



2. Leaves 'with petioles 7 cm. long 2. C. ari semens is. 



Leaves with petioles 1-2 cm. long 3. C. indicum. 



1. Chrysanthemum Morii HAYATA sp. nov. Perennis 40-50 cm. longa. 



Caulis gracilis sericeo-hirsutus. Folia ad apicem caulis approximatim vel remote 

 disposita in ambitu obovata pinnatifida vel lacerata vel pinnatiloba, lobis 

 linearibus vel triangularibus acutis, supra subglabra subtns adpresse-sericeo- 

 argenteo-tomentosa basi cuneata, petiolis 5 mm. longis vel riullis. Capitula 

 solitaria terminalia semigloboso-campanulata cum. floribus marginalibus 3 cm. 

 in diametro, bracteis involucri 3-4 seriatim dispositis, exteripribus linearibus 

 6 mm. longis obtusis extus dense sericeo-tomentosis intus glabris, interioribus 

 scariosis tenuibus linearibus hyalinis 1cm. longis 2mm. latis ajiice ubtiisi- 



