154 ART. I.—B. HAYATA: 
Very near Artemisia arctica Less., but differs from it 
in having much thinner involucral bracts and in many other 
points. 
Senecio LINN. 
Senecio angustifolius Hayara sp. noy. Herba_ validiuscula, 
1-2 m. alta, caulibus teretibus glabris striatis, pauci-ramosis. 
Folia alterna subsessilia, 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 em. 
longis totiusque latis, pedicellis 1-2 em. longis, bracteatis, bracteis 
lnearibus 5 mm. longis. Inyolucram campanulatum 6 mm. longum, 
bracteis 1-seriatis, lanceolatis 54 mm. longis, 1 mm. latis margine 
hyalinis apice coloratis, basi additis bracteolis minutis linearibus 
2mm. longis. Fl. 2: ligulati, marginales; corolla 12 mm. longa, 
tubo 4 mm. longo, apice extus hirsuto, limbo liguliformi 8 mm. 
longo, 14 mm. lato, 6-7-nervio, patente, apice minute 3-dentato ; 
stylo 6mm. longo, apice bifido, ramis complanatis truncatis 
recurvis. Fl. %: corolla regularis tubuliformis 6 mm. longa, tubo 
3mm. longo, limbo dilatato apice 5-lobato, lobis recurvis; styli 
ramis apice dilatatis penicillatis. Achzenia 5-costata, pappus 
albus. 
Has. Randaizan, leg. T. Kawakami et U. Mori, Aug. 1906, 
(No. 7058); in monte Morrison, ad 8500 ped. alt., leg. T. Kawa- 
Kami et U. Mort, Oct. 1906, (No. 2072); Ganzan, in montibus 
Morrison, ad 9141 ped. alt., leg. S. Naaasawa, Oct. 1905, (Nos. 643 et 
780) ; in Montibus Centralibus, ad 10000 ped. alt., leg. T. Kawakamr 
et U. Mori, Nov. 1906, (No. 2205). 
