156 THE BOTANICAL MAGAZINE. IToi. xxxiv. No. 4og. 



distributed by wind. When they become to mature the heads curve 

 downward, and the involucral bracts open wide so as to let them fall 

 easily. 



539) Paraixeris chelidoniifolia, (Makino) Nakai comb. nov. 

 Lactuca chelidoniifolia, Makino in Tokyo Bot. Mag. XI. p. 47 



(1898). Matsumura Ind. PI. Jap. II. 2. p. 652. Matsumnra et Ko- 

 idzumi in Tokyo Bot. Mag. XXIV. p. 89. Nakai Fl. Kor. II. p. 55 et 

 Yeg. m't Chirisan p. 47 (1915) et Veg. Diamond m'ts. p. 188 n. 685. 

 Komatsu in Matsumura Icon. PI. Koish. I. 3. p. 63. t. 32. 



L. Senecio, Leyeille et Vaniot in Fedde Rep. (1910) p. 141 pp. 



Nom. Jap. Kusanooba-no-keman (Jinzo Matsumura). Kusanooba- 

 nogiku (Saburo Okubo). 



Hab. 

 Hondo : Kirifuri in Nikko (Tomitaro Makino, Takenoshin Nakai, 



Shunzo Komatsu). 

 Shikoku : in monte Tebakoyama prov. Tosa (Tomitaro Makino). 

 Corea : 

 Phyong-an bor. : in monte Trunbon (Masatomi Furumi n. 484). in 



monte Hakuhekizan (Tsutomu Ishidoya). in monte Risekidozan 



(Tsutomu Ishidoya). 

 Kang-uon : in monte Kongosan (T. Nakai n. 5941). 

 Kyong-san bor. : in monte Chorei (Tomijiro Uchiyama). 

 Chol-la : in monte Chirisan (T. Nakai, T. Mori n. 390). in monte 



Kannonzan insula? Wangto (T. Nakai). 

 In petrosis montium Coreae mediae (Faurie n. 425). 



540) Paraixeris denticulata, (Houttuyn) Nakai comb. nov. 

 Prenanthes denticulata, Houttuyn Nat. Hist. XXVIII. p. 385 t. 



66. fig. 4 (1779) et Syst. IV. p. 50 t. 66. fig. 4 (1783). 



Lactuca denticulata, Maximowicz in Mel. Biol. IX. p. 359 (1874). 

 Matsumura Ind. PI. Jap^ II. 2. p. 653. Forbes et Hemsley in Journ. 

 Linn. Soc. XXIII. p. 480. Palibin Consp. Fl. Kor. I. p. 123. Komaroy 

 Fl. Mansh. III. p. 780. Nakai Fl. Kor. II. p. 55. 



Prenanthes hastata, Thunberg Fl. Jap. p. 301 (1784). 



Youngia ? hastata, De Candoele Prodr. VII. p. 194 (1838). 



Brachyramphus ramosissimus, Bentham in Lond. Journ. Bot. I. p. 

 489 (1834). Walpers Rep. II. p. 693 (1843). 



Dubyaza ramosissima, Hance in Walpers Ann. II. p. 1028 (1851-2). 



Ixeris ramosissima, A. Gray in Alemoire Amer. Acad. VI. p. 397 

 (1859). Bentham Fl. Hongk. p. 198 (1861). Miquel Prol. Fl. Jap. p. 

 122. 



