COMPOSITE. 67 



t 



Erect 3. 



2. Leaves triangularly lanceolate 9 cm. long serrulate 1. S. scandens. 



Leaves much smaller at most 4 cm. long, margin lobulate or grossly den- 

 tate 2. S. cratcegifolia. 



3. Leaves nearly entire or obscurely serrulate 4. 



Leaves distinctly serrulate, dentate or laciniate 5. 



4. Plant from the first not cottony hairy, but nearly glabrous ; radical leaves 



ovato-oblong attenuate to the base of the petioles ; petioles 20-30 cm. 



long 3. S. taitoensis. 



Plant cottony white hairy at first, but nearly glabrous at length ; radical 

 leaves spathulate 5 cm. long 4. S. Tashiroi. 



5. Leaves laciniate 5. S. morrisonensis. 



Leaves not laciniate 6. 



6. Leaves sharply serrate or dentate 6. S. tozanensis. 



Leaves serrulate or denticulate 7. S. angustifolius=S. taiiuanianus. 



1. Senecio scandens BUCH.-HAM.; HAYATA I.e. p. 40. 



2. Senecio crataegifolia HAYATA sp. nov. Scandentissima ; caulis an- 

 gulatus multo-striatus. Folia hastato-lanceolata vel triangulari-lanceolata 3-4 

 cm. longa 1J cm. lata apice acuminata basi lobulata obtusa margine remote 

 mucronibus instructa chartacea utraque pagine glabra, petiolis 3-4 mm. longis. 

 Capitula laxe pauceque cymosa. Involucrum late campanulatum bracteolis 

 niinutis linearibus 1-2 mm. longis 4-5 instructum, bracteis involucri 1-seriatim 

 sitis linearibus 6 mm. longis 1 mm. latis apice acuminatis margine tenuibus 

 giabris. Fl. marginales . : liguliformes 1-seriatim dispositi ; ovarium hir- 

 sutum cylindricum ; pappi seise alba? scabrae 4 mm. longas ; corollas tubus 3 

 mm. longus, limbo lineari-oblongo 5 mm. longo 2 mm. lato apice obtusissimo 

 minute 3-denticulato 4-nervio glabro. Fl. 3 : centrales oo ; corolla tubuloso- 

 campanulata 5 mm. longa glabra, tubo 3 mm. longo mm. lato, limbo cylindrico- 

 campanulato 2 mm. longo mm. lato apice 5-lobato, lobis oblongo-triangularibus 

 mm. longis ^ mm. latis apice acutis. Achaanium maturum ignotum. 



HAB. Montibus centralibus, leg. TJ. MORI et S. NAKAI, Dec. 1909 (tyj.us !) ; 

 Mt. Morrison, leg. U. MORI. 



Differs from S. scandens by the hirsute achenes. 



