A New Attempt to the Classfication of Genus 



Arabis Growing in Japan, Corea, 



Saghaline and the Kuriles. 



By 

 Tnkenoshiu, Nakai Rigakuhakushi. 



2. 



Conspectus Specierum. 



Cotyledones incumhcntes. Radix annua v. biennis. Folia 

 radicalia spathulata. Caulis simplex v. caespitosus. Flores 

 parvi. Petala 2-3 mm. longi. Siliqua 1-2 cm. longa. Semen 

 ellipsoideum cxalatum. ...Stenophragma Tlialianum, Cklak. 



Cotyledones accumbentes 2 



JSemina biserialia. 3 



IScmina uniserialia. Flores albi, lilacini v. purpurei 6 



Radix annua. Caulis simplex v. perennis. Folia radicalia lyrata, 

 caulina oblanceolata glabra. Racemus terminalis. Siliqua 3 



em. longa 1 mm. lata. Scmina alatn 



Arabis k'awasakiaiia, Makino. 



K.adix biennis v. perennis 4 



'Siliqua elongate pendula v. divaricato-nutan9. Flores lilacini v. 

 purpiim v. nlbidi Radix biennis. Caulis patcntim liirsutus. 

 Folia caulina subamplcxicaulia liispidula. Semiua alata. 



irabis pendula, I,. 



Siliqua elongata erecta Btricta. Flores flavidi v. Ilavido-albidi. 

 Semina cxalata. Folia caulina Bagittata glaberrima. ... 5 



| Radix biennis \raba glabrp, Bbrnh. 



I Radix perennis incrassata lignosa a pice cam rosnlis 



irabia columnalia, Nakai. 



(Folia caulina basi atUnuata srssilia v. petiolata 7 



(Folia caulina 1 ».i -~ i dilatata amplcxu aulia 11 



