46 composit.t:. 



Leaves not ciliate at tlie margin 5. 



4. Leaves ciliate at tlie marguii, Imt glabrons on Lotli ,si'les....'j. vl. Oldhami. 



Leaves liirsute on Ijotli sides 4. A. omerophyllus. 



~). Pai^pus redclisli, strouger tlian in the following species...."). A. ru/oprq)ptts. 



PappiLs hrownish G. A. hatahcnsis. 



0. rnvohicral hracts 3-2-seriate, nearly equal 7. A. morrisoncnsis. 



luvohicriil hracts 3-4-seriate, very unc<|ual 7. 



7. Leaves ohloiig scahrous gra(hially passing into hract-like small leaves in the 



intiorescence, ])a]»])us-hairs stronger than in the other s})ecies 



8. A. hnccharoides. 



Leaves various villose or glahrous, scahrous or smooth ; inflorescence with- 



out hract-like small leaves. Papj^us different from the preceding species 



in the auatoiuical characters 8. 



8. Branches and leaves all hrownish villose 0. A. lasiodada. 



Brauches and leaves not villose 1). 



9. Leaves very scahrous ; cymes terminal, much coutracted ; heads uearly 



clustered 10. A. sccdjerrimus. 



Leaves glahrous or slightly hairy, sometimes slightly scahrous ; c}'mes 



usuully ex])anded 11. A. trinerviics. 



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



1. Aster indicus Linx.; Hayata l.c. ]). 37. 



2. Aster formosana Hayata s]). nov. Caulis 60-80 cm. hnigus suljglaher. 

 Folia triangulari-ovata 14 cm. longa 9 cm. lata apice cus])idato-acuminata Ijasi 

 leviter cordata vel truncato-cordata mai-gine grosse dentata, dentihus triangula- 

 rijjus a]>ice setulosis, hasi et cus])ide integra, utraque pagine glal)ra suhtus 

 X)allidissima, ])etiolis 7 cm. longis. Ca])itula ])aniculata, paniculis 14 cm. longis 

 9-10 cm. latis, capitula cum fl. marginalihus 1 cm. iu diametro, hracteis in- 

 volucri 2-seriatim dispositis, interiorihus linearihus 4| mm. longis 1 mm. latis 

 apice ohtusis. Fl. ^9- • margiuales liguliformes 1-seriatim dis]iositi ; ovarium 

 hirsutum ; ])api)i sette co])iosa3 2-3 mm. long» ; corollge tuho 2 mm. longo, limho 

 liguliformi lineari .ji mm. longo li mm. lato a])ice ohtuso hasi attemiato. 

 Fl. disci ^ : corolla3 tuho 2-3 mm. longo extus hreve hirsuto, limho ferc 

 .j-])artito, jtartihus linearihus 3i mm. longis ^ mm. latis valde recurvis. 



