1924] NAKAI, ARALIACEAE IMPERII JAPONICI S5 



Pedunculi elongati 12 cm. longi. Pedicelli 2-4 cm. longi . . .H. pedunculata. 



Pedunculi quam 5 cm. breviores. Pedicelli circiter 1 cm. longi. 



Petala circiter 2 mm. longa. Folia ramorum floriferorum lanceolata v. ovata 



H. formosana. 



Petala circiter 3 mm. longa. Folia ramorum floriferorum ovata v. angulata, 

 rarius lanceolata H.japonica. 



Hedera pedunculata Nakai, sp. nov. 



Hedera Helix Ito & Matsumura in Jour. Coll. Sci. Tokyo, xn. 539 (1899), 

 pro parte?; non Linnaeus. 

 Ramijuvenilespilisstellulato multiradiatissparsimvestiti. Foliabiennia; 



petioli 1-3 cm. longi, juveniles sparsissime stellulati sed mox glabrescentes; 

 lamina foliorum ovato-lanceolata vel ovata, supra viridis lucida,infra pal- 

 lida, venis elevatis, 3 cm. lata et 7 cm. longa (3 : 6.5, 2.4 : 6.c, 2.3 : 5.5, 

 1.4 : 3.0 etc.). Pedunculi 12 cm. longi, ramo solitario instructi, subglabri; 

 bracteae ovatae, dense fusco-stellulatae; pedicelli 2-4 (rarissime 1) cm. 

 longi, stellulato-pilosi; calycis tubus turbinatus, stellulatus, edentatus; 

 petala triangularia vel ovata, 3 mm. longa, valvata, intus medio costato- 

 elevata; stamina 5 ;filamenta 2 mm. longa; antherae ovatae, 1 mm.longae; 

 connectivum evolutum; discus conicus, rarissime stellulatus, in stylum 

 brevem abiens; stigma obscure 3-lobum. Bacca ignota. 

 Liukiu: sine loco speciali, S. Yajima. 



Hedera formosana Nakai, sp. nov. 



Hedera Helix Hayata in Jour. Coll. Sci. Tokyo, xxiv. art. xix. 110 (Fl. Mont. 

 Formos.) (1909); Icon. PL Formos. n. 62 (1912).— Matsumura, Ind. PL 

 Jap. ii. 2,. 419 (1912), pro parte.— Non Linnaeus. 



Rami juveniles subglabri, rarissime stellulati. Petioli 1.0-5.5 cm. 

 longi, glaberrimi; folia lanceolata vel late lanceolata vel subrhombea, basi 

 cuneata vel late cuneata, apice attenuata plus minus obliqua, supra glabra 

 lucida, infra pallida glabra. Umbellae subcorymbosae, stellulato-pilosae; 

 bracteae minutissimae; pedicelli 6-8 mm. longi, stellato-pilosi; calycis 

 tubus breviter turbinatus, dense stellulato-pilosus, 1 mm. longus; petala 

 subreflexa, ovata, intus supra medium costato-elevata, 2.0-2.5 mm. 

 longa, extus stellulata; filamenta 2 mm. longa; antherae ovatae; connecti- 

 vum baud evolutum; discum brevissime conicum; styli 1 mm. longi; 

 stigmata obscure 5-lobata. Bacca (fide Sasaki) nigra. 



Formosa: in monte Morrison, 6000 ped., T.Kawakami & U.Mori, 

 no.2017;Tapposha, T.Kawakami & U.Mori, no. 1970; in monte Morrison, 

 2100 m. ped., T. Kawakami & U. Mori, no. 1887; in monte Arisan, prov. 

 Kagi, E. II. Wilson, no. 9697, 10801; Sozan, E. H. Wilson, no. 11237. 



Hedera japonica Tobler, Gatt. Hedera, 84, fig. 43-44a (1912).— Fedde, 

 Rep. Spec. Nov. xm. 160 (1914). — Rehder in Bailey, Stand. Cycl. Hort. 



in. 1438 (1914).— Non Junghuhn. 



Hedera rhombea Siebold & Zuccarini in Abh. Akad. Muench. iv. pt. II. 202 

 (Fl. Jap. Fam. Nat. i. 94) (1845), pro parte, nomen nud.— La valine, Arb. 

 Sogrez. 126 (1877), nomen nud.— Bean, Trees & Shrubs Brit. Isles, i. 609 



(1914). 

 Hedera Helix Thunberg, Fl. Jap. 102 (1784).— Siebold & Zuccarini, 1. c. 



Franchet & Savatier, Enum. PI. Jap. I. 194 (1875).— Non Linnaeus. 



