Contributiones ad Floram Asiae Orientalis 



by 

 Gen'iti Koidzumi 



Ligusticum (Euligusticum) linearilobum Koidz. nov. sp. 

 Species distinctissima, quoad fructus simile Lig. japonico Maxim, sed 

 foliolis angustissimis exqua differt. 



Caulis 13-70 cm. altus sub utnbella dense puberulus ceterum 

 glaber, striatus, l-igidus, solitarius, superne rarius e basi pauci- 

 ramosus, suberectus vel leviter flexuosus plurifoliatus ; ramis 

 parum tenuioribus. Radix elongatus obliquus vel horizontalis 

 subsimplex carnosus interne pluri-digitatus. Folia glaberrima 

 membranacea radicalia caulinacpue infima longe petiolata, 

 ambitu deltoidea, inferiora triternatisecta, media bitcrnatisecta, 

 summa ternata sessilia ; foliolis supra dilute subtus luteo-viridi- 

 bus linearibus vel anguste lineari-lanceolatis argute serrulatis 

 utrinque leviter attenuates sessilibus vel petiolulatis, interdum 

 hinc atque ill in ^ grandiserratis, vel trilobatis tunc parte media 

 longiore ; vaginis amplcxicaulibus glabris, inferioribus e basi 

 latiore sers'm angustatis, ceteris elongato-lincaribus apice leviter 

 bi-auricukd is, interdum leviter ventricosis. Umbella oppositifolia, 

 terminalia maxima, involucro unifolio lineari-lanceolato vel line- 

 ari interdum nullo, radiis 15—22 intus papillosis ; umbellulis 

 circiter 22-25-floris, involucella phyllis 5-8 linearibus ; floribus 

 centralibus submasculis ; calycis lobis obsoletis, petalis albis 

 obcordatis apice in laciniam inflcxani attcnuatis, antheris nigi is, 

 stvlopodio conico carnoso, stjdis ovario brevioribus a basi re- 

 flexis, Btigmatibus discendeis. Fructus late ellipticus utrinque 



