Floristik, Geographie, Systematik etc. 271 



Eriocanlon lenuissimum, near E. Takae, but with a larger 

 involucrum; Spiraea obtusa (S. trilobata Nakai non L.); Prunus Padus 

 var. glauca\ Vicia sexajuga; Rhamnus diamantiaca , intermediate 

 between R. globosa and R. japonica; R. glabra comb. nov. (R. globosa 

 var. glabra Nakai) allied to R. parvifolia, and var. manshurica Nakai 

 (R. globosus Kom. pars). 



Angelica gigas, much larger than A. decursiva\ Peucedanum 

 coreanum, P. paishanense, near P. elegans Kom.; P. terebinthaceum 

 Fisch, var.ßagellare; Pimpinella'i crassa, near P. brachycarpa; Leduni 

 palustre L. var. dilatatum. Wahlenb , var. diver sipilosum , var. maxi- 

 mam, var. angustum Busch, var. subulatum\ Vaccinium pterocarpum, 

 near V. Buergeri; Androsace cortusaefolia (Sect. Pseudo- Primzria); 

 Porsythia ovata, near F. viridissima; Syringa formosissima, near 

 5. fosikaea; Nepeta koveana, near N. subsessilis and N. manchuriensis ; 

 Phlomis koraiensis Nakai, near P. tuberosa. 



A key to the determination of the species of Melampyrum 

 occurring in Corea: M. latifolium, M. setaceum with var. genuinum 

 Nakai, var. latifolium Nakai and var. congestum var. nov., M. roseum 

 Maxim, with var. albiflorum, M. japonicum Nakai, M. ovalifoliitm 

 Nakai. 



Clerodendron trichotomum Thunb. var. ferrugineum ; Chrysan- 

 themum sibiricum Fischer var. alpinum ; Leontopodium coreanum , 

 near L. tataricum; Saussurea nutans, near S". Tanakae; Senecio 

 phaeanthus, near S. campestris and S.ßammei; Solidago Virgaaurea 

 var. coreana\ Salix bicarpa (Didymadeniae-lignota; Artemisia megalo- 

 botrys (Abrotanum) near A. stolonifera; A. rubripes (Abrotanum), 

 near A. mougolica; Hieracium praelongum. 



Carex blepharicarpa Franchet var. insularis, C. viridissima 

 (Acutae- Vulgares), C. takeshinensis (Acutae-Oyptocarpae), near C. 

 jaluensis\ Majanthemum kamtschaticum (Gmel.) Nakai; Polygonatum 

 robustum (Korsch) Nakai; P. ibukiense Makino; Arisaema mono- 

 phyllum, near A. japonicum , with f. integra, f. serridata; A. japoni- 

 cum Bl. var. yamatense\ A. Kishidai Makino mnscr.; A. longilaminum 

 (A. serratum Schott, f. Blumei Mak. pars), resembles somewhat A. 

 Thunbergii, but the flower is different. Perilla citriodora (Mak.) 

 Nakai, P. hirtella, near the former, and resembling it especially in 

 the younger stages. Jongmans. 



Nakai, T„ Praecursores ad Floram Sylvaticam Korea- 

 nam, VIII Ericaceae, IX Rhamnaceae. (Bot. Mag. Tokyo. 

 XXXI. p. 235-252, 269—287. 1917.) 



A key to the determination of the genera. The enumeration of 

 the species is accompanied by notes on distribution, synonymy, and 

 in some cases descriptions are added. 



Ledum: L. palustre L. var. dilatatum, Wahlenb. var. maximum 

 Nakai, var. angustum Busch, var. subulatum Nakai. 



Rhododendron: A key to the determination of the sections. 

 Sectio Osmothamnus (DC.) Maxim: R. parvifolium Adams, R. micran- 

 thum Turcz., R. confertissimum, near 7?. parvifolium var. alpinum, 

 but smaller. Sectio Rhodorastrum Maxim : R. davuricum L., R. mucro- 

 nulatum Turcz. with var. albißora Nakai and var. ciliatum var. nov. 

 Sectio Tlierorhodion Maxim.: R. Redoxvskianum Maxim. Sectio Eurho- 

 dodendron (DC ) A. Gray: R. chrysanthwn Pall. {R. chrysanthum 

 var. niko-montanum Kom. = R. nikomontanum Nakai n. sp.), 

 R. brachycarpum Don. Sectio Asalea (L.) Maxim. : R. Schlippenbachii 



