154 AET. I. B. HAY ATA I 



A^ery near Artemisia arctlca Less., but differs from it 

 in having nincli thinner invohicral bracts and in many other 

 points. 



Senecio Linn. 



Senecio angustifolius HaYx\ta sp. nov. Herba vahdiuscula, 

 l-'l m. alta, canhbas teretibiis glabris striatis, pauci-ramosis. 

 Foha alterna subsessiha, lanceolata, 10 cm. longa, 1 cm. lata, apice 

 acuminata, basi attenuata, remote serrulata, supra costis venisque 

 impressis, subtus venis leviter costis prominente elevatis, utrinque gla- 

 bra subtus pallidiora. Capitula cymosa, cymis terminalibus 10 cm. 

 longis totiusque latis, pedicellis 1-2 cm. longis, bracteatis, bracteis 

 hnearibus 5 mm. longis. Involucrum campanulatum 6 mm. longum, 

 bracteis 1-seriatis, lanceolatis 5^ mm. longis, 1 mm. latis margine 

 hyahnis apice coloratis, basi additis bracteolis minutis linearibus 



2 mm. longis. FL Ç : ligulati, marginales ; corolla 1 2 mm. longa, 

 tubo 4 mm. longo, apice extus hirsute, limbo liguliformi 8 mm. 

 longo, 1^ mm. lato, 6-7-nervio, patente, apice minute 3 -dentate ; 

 stylo 6 mm. longo, apice bifido, ramis complanatis truncatis 

 recurvis. Fl. ^: corolla regulari s tubuliformis 6 mm. longa, tubo 



3 mm. longo, limbo dilatato apice 5-lobato, lobis recurvis ; styli 

 ramis apice dilatatis penicillatis. Achaenia 5-costata, pappus 

 albus. 



Hab. Eandaizan, leg. T. Kawakami et U. Moei, Aug. lOOG, 

 (No. 7058) ; in monte Morrison, ad 8500 ped. alt., leg. T. Kawa- 

 kami et U. Mori, Oct. 1900, (No. 2072); Ganzan, in montibus 

 Morrison, ad 9141 ped. alt., leg. S. Nagasawa, Oct. 1905, (Nos. 643 et 

 780) ; in Montibus Centralibus, ad 10000 ped. alt., leg. T. Kawakami 

 et U. MoEi, Nov. 1900, (No. 2205). 



