ENUMERATION OF THE SPECIES 55 



Rhododendron Tschonoskii Maximowicz in Mem. Acad. Sri. St. 

 Petersburg, se>. 7, XVI. 42, t. 3, figs. 8b-14 (Rhodod. As. Or.) 

 (1870); in Bull. Acad. Sri. St. Petersburg, ser. 3, XV. 230 (1871). 

 Franchet & Savatier, Enum. PL Jap. I. 295 (1875). Boissier 

 in Bull Herb. Boiss. V. 919 (1897). Matsumura, PL Nikko, 71 

 (1894); Ind. PL Jap. II. pt. 2, 465 (1912). Schneider, III. Handb. 

 Laubholzk. II. 507, fig. 332 l-o (1911). Bean, Trees and Shrubs 

 Brit. Isl. II. 383 (1914). Millais, Rhodod. 256 (1917). Nakai in 

 Tokyo Bot. Mag. XXXI. 244 (1917); Fl. Syl. Kor. VIII. 46, t. 17 

 (1919). Komatsu in Tokyo Bot. Mag. XXXII. [15] (1918). 



Azalea Tschonoskii O. Kuntze Rev. Gen. II. 387 (1891). 



Rhododendron trinerve Franchet apud Boissier in Bull. Herb. Boiss. V. 92 

 (1897). 



Rhododendron Tschonoskii a. typicum Makino in Tokyo Bot. Mag. XVIII. 66 

 (1904). 



Rhododendron Tschonoskii a. typicum a. pentamerum Makino 1. c. Matsu- 

 mura, Ind. PL Jap. II. pt. 2, 465 (1912). 



Rhododendron Tschonoskii a. typicum b. tetramerum Makino I. c. Matsu- 

 mura I. c. 



Rhododendron Tschonoskii /3. trinerve Makino in Tokyo Bot. Mag. XVIII. 66 

 (1904). Schneider, III. Handb. Laubholzk. II. 507 (1911). 



Rhododendron Tschonoskii /3. trinerve a. pentamerum Makino 1. c. Matsu- 

 mura I. c. 



Rhododendron Tschonoskii ft. trinerve b. tetramerum Makino 1. c. Matsumura 

 I.e. 



Rhododendron Tschonoskii var. tetramerum Komatsu in Tokyo Bot. Mag. 

 XXXII. [15] (1918). 



Japan: Shikoku, prov. Tosa, Nakatsu-san, June 20, 1889, K. 

 Watanabe (Herb. Gray) . Hondo, prov. Ettchu, Mt. Tateyama, July 23, 

 1884, (Herb. Kew) ; prov. Shinano, Tsubakura-dake, alt. 1300-1600 m., 

 not common, September 15, 1914, E. H. Wilson (No. 7455) ; Hatta- 

 san, July 13, 1894, U. Faurie (No. 13,356); Mt. Asama, July, 1904, U. 

 Faurie (No. 5831); prov. Shimotsuke, Nikko region, Lake Yumoto, 

 June 22, October 18, 1914, E. H. Wilson (No. 7657); same locality, 

 November 6, 1892, C. S. Sargent; Lake Chuzenji, August 12, 1905, 

 J. G. Jack; Mt. Nyoho, August 3, 1909, K. Sakurai; prov. Uzen, 

 Adzuma-san, alt. 800-2000 m. July 20, 1914, E. H. Wilson (Nos. 

 7233, 7234, 7235); mountains round Yamagata, July 12, 1889, U. 

 Faurie (No. 4444) ; prov. Rikuchu, slopes of Hayachine-san, alt. 1300- 

 2000 m. September 28, 1914, E. H. Wilson (No. 7583); Mt. Iwate 

 July 16, 1903, S. Arimoto (Herb. Gray); high mountains, 1865, 

 Tschonoskii ex Maximowicz (Herb. Kew, Herb. Gray, co-type) ; prov. 

 Mutsu, Nambu, Shichinoki, June 23, 1889, U. Faurie (Herb. Kew) ; 



