274 THE BOTANICAL MAGAZINE. LVoi. xxxi. No. 371. 



Folia viridia majora, Pedicclli glabri 0.7-1 cm. longi 



R. diamantiaca, Nakai. 



Sp. 5) (1) Rhamnus Schneideri, Levl. et Vnt. in Fedde Rep. VI 

 (1908) p. 265. Nakai PI. Kor. II. p. 461. Schneid. PI. Wils. II. 2. 

 (1914) p. 251. 



R. globosa v. glabra, Nakai nom. mid. in Tokyo Bot. Mag. XXXII 

 (1913) p. 130 n. 81. et XXVIII (1914) p. 309 n. 78. 



R. shozoensis, Nakai v. glabrata, Nakai nom. nud. in Tokyo Bot. 

 Mag. XXVII (1913) p. 130 n. 83. 



R. glabra, Nakai in Tokyo Bot. Mag. XXXI (1917) p. 99. 



Frutex dioici ramosissimus. Cortex rami cinereo-fuscus, ramorum 

 hornotinorum viridescens v. rubro-viridis glaber saepe hisidusculus. 

 Ramus brevis saepe spinescens. Folia petiolis glaberrimis 3-15 mm. 

 longis supra canaliculars, laminis late oblanceolatis v. obovatis utrinque 

 acuminatis viridibus, supra glaberrimis v. sparsim pilosulis sed demum 

 glabrescentibus subtus ab initio glaberrimis, margine crenato-serratis, 

 venis lateralibus utrinque 2-5, 6 cm. longis 2.4 cm. latis (8.8-4, 2.8- 

 1.0, 4.6-2.0, 3.3-1.5, 3.3-2.7 etc.). Ramus florifer abbreviatus cum 

 cicatrice foliorum vermicularis, foliis rosulatis 3—4 terminatus. Flores 

 fasciculati. Flos masculus pedicello glabcrrimo 8-12 mm. longo flavido- 

 viride, calycis tubo obovato-turbinato v. obovato-obconico glaberrimo 

 2 mm. longo, lobis late lanceolatis v. lanceolatis reflexis 3 mm. longis, 

 petalis oblanceolatis involutis 1 mm. longis, staminibus petala superan- 

 tibus, antheris viridescenti-albis, gynaecio abortivo incluso, stylis 2. 

 Flos faemineus pedicello 12—17 mm. longo, calycis tubo obovato 2 mm. 

 longo, lobis lanceolatis reflexis 3 mm. longis, apetalus, staminibus sine 

 antheris linearibus 1 mm. longis, ovario ovoideo, st3'lis exertis bifidis, 

 stigmate recurvo oblongo papillose Fructus obovoideus v. late obovoi- 

 deus glaberrimus, pedicello glaberrimo 7-18 mm. longo. Pyrena: basi 

 ore oblongo-orbiculare apertae. 



Nom. Jap. Yabu-kuro-umemodoki. 



Hab. Corea : Tai-heung-ri (Takenoshin Nakai n. 2080). inter 

 Kang-gei et Chang-po-cliin (Takenoshin Nakai n. 2091) 

 Naipiang (Faurie n. 234) Changsisan (Takenoshin Nakai n. 

 2093). Unsan (E. H. Wilson n. 8658). 



var. manshurica, Nakai comb, no v. 



R. glabra v. manshurica, Nakai in Tokyo Bot. Mag. XXXI (1917) 

 p. 99. 



R. parvifolia, (non Bunge) Nakai Fl. Kor. I. p. 126 p. p. II. p. 460 

 et Veg. M't, Cbirisan p. 39 n. 313. 



