38 RUBIACE^E. COMPOSITiE. 



Hab. Giraii, SliOkei, leg. S. Sasaki. 



Near V. /ormosanum, lait clifFer.s from it in tlie quite glal)rou8 leaves. 



Rubiacese. 



3litssarnda Lrxx. 



Mussaenda taiwaniana Kaxkiuilv Form. Tree. p. 30.3. 

 Hai;. Holislia. 



Compositse. 

 Conspectus of Genera. 



After H()FFMANn's system, in Ekglek's Nut. Ffl.-fam. IV. — 5, pp. 118-120. 

 A. Plaut witliout nnlky juice : corolla of disc-flinvers not ligulate 



TUBUIJFLOII^. 



a. Heads homogamous, flowers tuhuliformed, iiever yellow ; antlier 

 sagittate at tlie Ijase ; style-branches suhulate, hairy...VernoDife. 

 a. Heads not collected into a clu.ster 



^ Pappus Ethulio. 



^^ Pappus setaceous deciduous Vernonia. 



/3. Head collected into a head-like chister Elepliantopns. 



l). Heads liomogamous, flowers tuhuliformed, never yellow ; anther 

 truncate at the hase : style-l)ranches suhterete, ohtiise, shortly 



papillose Eui^atoriea?. 



a. Anthers not appendiculate Adenosfemma. 



/3. Anthers appendiculate. 



Pappus scaly Agerahnn^ 



Pap])us setaceous. 



luvolucral hracts 6 or more thau G Eapatorium. 



Involucral hracts 4, sometimes with sniall scales at 

 the 1 jase 3Iikania. 



c. Heads heterogamous liguli- or tuhidiformed or, ray-fiowers heing 

 wanted, homogamoiLs ; anthers ohtuse at the hase, siihentire. 

 Style-hranclms complanate, appendicidate Asterefe. 



