— 32 — 



Syn. Ulmus parvifolia (non Jacquin) Nakai in Journ. Coll. Sci. Tokyo 



XXXI, p. 189 (1911); Veget. Isl. Quelpaert p. 38, no. 507 (1914); 



Wangto p. 6 (1914). 

 Ulmus Sieboldii var. coreana Nakai, Veget. Chirisan Mts. p. 30 no. 



150 (1915), nom. nud. 



Affinis U. Sieboldii Daveau precipue ejus forma Shirasawana (Ulmus 



Sliirasatoana Daveau), sed exqua arborea minore cortice trunci satis crassa 



irregulariter profunde rupsa foliis omnibus deciduis tenerioribus distat. 



Arborea, maxima 5-6 metralis alta virgata. Cortex crassa cinereo- 

 fusca irregulariter profunde rupsa. Ramuli atro-fusci piloselli foliosi. 

 Petioli 1-7 mm. longi pilosi. Lamina oblique oblonga vel obovato- 

 lanceolata vel late obovata in autumno subchartacea supra luciduscula 

 infra pallida opaca utrinque glaberrima basi inasqualis apice cuspidato- 

 obtusiuscula vel acuta margine sequaliter serrulata venis lateralibus 

 utrinque 9-20. Flores polygami axillari-glomerati in mense Septem- 

 brio patentes. Perigonium 4-5 lobum fuscescenti-flavidum 2 mm. longum. 

 Stamina 4-5 subsessilia. Antherse elliptic»? purpurascenti-flavae. Flores 

 bermapbroditi cum staminibus et ovario sessile, stigmatibus bifidis. 

 Samara pedicellata utrinque contracta stipitata 8-11 mm. longa 5-7 mm. 

 lata glaberrima lucida in auctumno rubescens. 



Nom. Jap. Chosen-aki-nire. 



Nom. Kor. Dourucknam, Norupnam, Chang-nurup, Ko-nam. 



Hab. 

 Prov. Keiki: Ryiijin (T. Nakai no. 2685-type of flowers and bark); 



Suigen (T. Nakai, no. 2689). 

 Prov. Zenhoku: Jinjitsu (T. Mori, no. 95). 

 Prov. Keinan: Nankai insula? Nankaito (T. Nakai no. 11051); Ichiun- 



men Gakenri insula? Kyosaito (T. Nakai no. 11050) ; Santomen Hishido 



insula? Nankaito (T. Nakai, no. 11049). 

 Prov. Zennan : Moksbi (T. Uchiyama, fr.) ; Mt. Hakuyozan (T. Nakai 



no. 11053, 1 1060) ; Jinpo insula? Totsuzanto (T. Nakai, no. 11051) ; in 



pinetum insulse Seizanto (T. Nakai, no. 11047); Koshu (T. Nakai); 



Mt. Chiisan (T. Nakai no. 55 ; type of Ulmus Sieboldii var. coreana). 

 Quelpaert: Ikiri (T. Nakai, no 49S0-type of fruits), in sepibus (E. 



