4G 



Leaves not ciliate at the margin .3. 



4. Leaves ciliate at the margin, but glabrous on both sides... 3. A. Oldhami. 



Leaves hirsute on both sides 4. A. omerophyllus. 



Pappus reddish, stronger than in the following species. ..5. A. ru/opappus. 



Pappus brownish 6. A. latakensis. 



G. Involucral bracts 1-2-seriate, nearly e<{ual 7. A. morrisonensis. 



Involucral bracts 3-4-seriate, very unequal 7. 



7. Leaves oblong scabrous gradually passing into bract-like small leaves in the 



inflorescence, pappus-hairs stronger than in the other species 



8. A. baccharoides. 



Leaves various villose or glabrous, scabrous or smooth ; inflorescence with- 

 out bract-like small leaves. Pappus different from the preceding species 

 in the anatomical characters 8. 



8. Brandies and leaves all brownish villose 1). A. lasioclada. 



Branches and leaves not villose 'J. 



!>. Leaves very scabrous: cymes terminal, much contracted; heads nearly 

 clustered 10. A. scdberrimus. 



Leaves glabrous or slightly hairy, sometimes slightly scabrous ; cymes 



usually expanded 11. A. trinervius. 



(Branches scandent or hanging 12. var. scandens.) 



1. Aster indicus Lixx.; HAYATA I.e. p. 37. 



-. Aster formosana HAYATA sp. nov. Caul is 60-80cm. longus subglalxT. 

 Folia triangulari-ovata 14cm. louga 9cm. lata apice cuspidato-acuminata basi 

 li-vitt-r cordata vel truncato-cordata margine grosse deutata, dentibus triangula- 

 ribus apice setulosis, basi et cuspide iutegra, utrarjuc pagine glabra subtus 

 iiiillidissima, petiolis 7cm. longis. Capitula paniculata, paniculis 14cm. longis 

 !'-10 cm. latis, capitula curn fl. marginalibus 1 cm. in diametro, bracteis in- 

 volucri 2-seriatim dispositis, interioribus lineariltus 4^ mm. longis 1 mm. latis 

 ; I lice obtusis. Fl. ^: marginales liguliformes 1 -seriatim dispositi ; ovarium 

 hirsutum ; jiappi seta? copiosa? 2-3 mm. longfe ; corollas tubo 2 mm. longo, limb 

 liguliformi lineari ji mm. longo 1-1 mm. lato apice obtuso basi attenuato. 

 Fl. disci ^ : corollje tubo 2-3 mm. longo extus Itrevc hirsuto, limljo fere 

 5-]iartito. partibus liiiearibus 3J mm. longis ^ mm. latis valde recurvis. 



