126 ART. 19.— B. H AY AT A : 



DiSTEiB. Japan to Manchuria, westward to the mountains of 

 northern India. 



This species is, so far as I am aware, exceptionally variable, 

 and many apparently different specimens in my hands are men- 

 tioned under a sino-le name. 



'c 



Erigeron Linn. 



Erigeron morrisonensis Hayata, sp. nov. Herbœ perennes 

 parva?, caulibus hirsutis subsimplicibus circ. 10 cm. altis erectis. 

 Folia radicalia longe spathulata cum petiolis G cm. longa 5 mm. 

 lata apice rotundata vel brevissime apiculata basi longe attenuata 

 in petiolum 3 cm. longum abeuntia, caulina alterna sessilia angusta 

 breviora. Capitula mediocria 13 mm. in diametro aequantia, soli- 

 taria heterogama, floribus radialibus Ç, disci ^, omnibus fertilibus. 

 Involucrum late campanulatum, bracteis sub-3-seriatis angustis 

 linearibus circ. 6 mm. longis apice coloratis margine scariosis nume- 

 rosis parum inaequalibus extus pilosissimis. Keceptaculum con- 

 vexum nudum. Corolla? ^ ligulatae angustissima? tubis limbo vix 

 brevioribus ; ^ tubulata? 4 mm. longœ, tubis pilosiusculis, limbis 

 parum ampliatis 4-dentatis. Anthergß basi obscure sagittatœ. 

 Styli fl. Ç rami complanati, appendicibus triangularibus. Achcenia 

 compressa angusta 2 mm. longa pilosa, margine iiervio, facie 

 enervia ; pappi setae tenues 1-seriatœ scal)riusculaî rufo-albse 3 mm. 

 longae. 



Hab. in summam montis Morrison, ad 13094 ped. alt., leg. S. 

 Nagasawa, Nov. 1905 ; in eodem loco, leg. T. Kawakami et U. Mom, 

 Oct. 1906, (No. 2247). 



Near E. Thunhei'gl Geay ; but distinguished l)y the spathulate 

 linear leaves and small ray florets. 



