8 JOURNAL OF THE ARNOLD ARBORETUM [vol. v 



Mt 



kino; Tappo, Nagasawa, no. 3139; near Sozan, prov.Taihoku,E. H.Wilson, 



nos. 



Wilson 



Eleutherococcus leucorhizus Oliver 



11016; Tamsui, A. Henry, no. 1460; South Cape, A. Henry, no. 335; 

 Bankinsing, A. Henry, no. 1516; sine loco speciali, R. Oldham, no. 200. 



Distribution: also Philippines, China, Cochinchina and India. 



Henry's nos. 12770 and 12561 determined by Harms as Acanthopanax 

 trijoliatum are not that species, but 

 {Acanthopanax leucorhizus Harms). 



Subsect. 2. Euacanthopanax Nakai. 



Acanthopanax Sekt. Euacanthopanax Harms in Engler & Prantl, Nat Pflan- 

 renfam. m. abt. 8, 50 (1897), pro parte; in Mitt. Deutsch. Dendr. Ges. 

 xxvn. 18 (1918). 



Folia digitatim quinata. Umbellae vulgo solitariae laterales; styli 

 bifidi v. fere ad apicem connati. 



Foliola varie inciso-serrata, supra sparsissime pilosa, subtus pilosa ..A. nipponicum. 

 l 1 oliola nunquam inciso-serrata. 



Pedunculi elongati foliis aequilongi. Poliola incur vato-serrulata, parva, basi 



ruf o-pilosa j^ kiusianum 



Pedunculi foliis distincte breviores. 



Foliola mucronato-serrata vel submucronato-grandiserrata.. .A. commixtum. 

 Foliola crenato-serrata vel spinuloso-crenata. 



Foliola incurvato-crenulata A. spinosum. 



foliola subspinuloso-crenulata A. koreanum. 



Acanthopanax nipponicum Makino in Jour. Jap. Rot. n. 5, 19 (1921). 



Frutex; rami elongati, cinereo-fuscescentes, sub folio 1-aculeati aculeis 

 rectis rigidis. Petioli glabri vel apice minute spinulosi; foliola 5, obovata 

 vel late obovata varie inciso-serrata, supra viridia, sparsissime pilosa, 

 infra pallida pilosa. Umbellae e gemmis axillaribus rami annotini evolutae 

 foliis 2-3 suffultae solitariae; pedunculi et pedicelli glabri; bracteae fili- 



formes, minimae, deeiduae; pedicelli 4-5 mm. longi; calycis margo edenta- 

 tus vel 5-dentatus; petala viridia; styli bifidi. 



Hondo: Hikami, prov. Suwo, J. Nikai, nos. 395, 853; Mt. Hiei, prov. 



Omi, /. Sono. 



Kyushu: Nasugoe, prov. Iligo, Z. Tashiro. 



Acanthopanax kiusianum Nakai, sp. now 



Frutex glaber; rami sordide fuscescentes; aculei rigidi, recti, sub folio 

 solitarii. Folia turionum brevii)etiolata sed fasciculata longe petiolata; 

 petioli glabri, 1.5-6.0 cm. longi, graciles sed recti interdum circa apicem 

 infra 1-aculeati ; foliola digitat im 5, terminalia maxima , omnia basi cuneata, 

 obovata, apice mucronata, supra medium incurvato-serrulata, 10-37 mm. 

 longa, 5-16 mm. lata, basi rufo-pilosa, supra viridia venis impressis, infra 

 pallida venis elevatis. Pedunculi 4.5-5.0 cm. longi, recti, graciles, glabri; 

 bracteae caducae, minimae, apice ciliolatae. Pedicelli 4-5 mm. longi, 

 glabri ; calycis tubus ovatus, lobi ovato-acuti, lucidi ; petala viridia, oblongo- 

 ovata, apice unguiculata, 1.5 mm. longa; stamina in nostris speciminibus 



