14 



This variety differs from the typica and vao\ aurantiacus, by having 

 the uninterruptedly serrulate, wider, more rigid, and deeper green leaves. 

 That in Curtis's Botanical Magazine, tab. 1552, may be identical with 

 this variety. 



Rhododendron Hymenanthes (Bl.) Maldno nom. nov. 



Hymcnanthes japom'ca Bl. Bijdr. p. 862 (1826). 



lihododendron Metternicldi Sieb. et Zucc. Fl. Jap. I. (1835) p. 23. 

 tab. 9, et in Abhandl. Akad. Muench. IV. 3, (1846) p. 130 ; DC. Prodr. 

 VII. p. 721; Miq. in Ann. Mus. Bot. Lugd.-Bat. I. p. 32, et Prol. Fl. 

 Jap. p. 95; A. Gray in Perry's Exped. Jap. p. 315, et Bot. Jap. p. 430; 

 Maxim. Khod. As. Orient, p. 21 ; Franch. et Sav. Enum. PL Jap. I. \\ 

 287 ; Boissieu in Bull. Herb. Boiss. V. p. 916. 



lihododendron maximum Thunb. Fl. Jap. p. 181, excl. syn., non Linn. 



Sehhi nan, vulgo Sahu Nange Koempf. Amoen. Exot. p. 877. 



«. heptamerum. 



Rliododendron Metternicliii a. heptamerum Maxim. 1. c. ; Makino in 

 Bot. Mag., Tokyo, X. p. 211. 



Hah. Prov. Tosa: Tadzikawa {T. 3Iakino\ JMay 1893), Mt. Kurotaki 

 (A". Watanahel Oct. 6, 1891; T. Maldno \ Nov. 1892); Prov. Iyo : Mt. 

 Ishidznchi {T. YosMnagal Aug. 1888);? Prov. Buzen: Mt. Inugadake (B. 

 Yatahe and Z. Matsumura ! herb Sc. Coll. Imp. Univ. Tokyo, July 18, 

 1882). 



/?. pentamerum. 



lih'jdodendron Metlernichii j^. 2'je7itamerum^a.xh'n. I.e. p. 22; Makino 

 1. c. 



Hab. Prov. Shimotsuke : Nikko (Herb. ! Sc. Coll. Imp. Univ. Tokyo, 

 June 1878), Mt. Shirane in Nikko (N. Ichikawa\ herb. ibid. Aug. 17, 

 1887); Prov. Musashi : Tokyo, Bot. Gard. Koishikawa, cult. (Herb. ibid. 

 April. 19, 1884; T. Mahino\ Apr. 20, 1894); Prov. Idzu : Mt. Amagi 

 {K. Watanahe ! May 25, and Aug. 6, 1897). 



forma angustifolia Makino. 



Leaves denser, angiistato-lanceolate, acutish-obtnse, attenuated below, 

 ferrugineo-lanate beneath, 4-16 cm. long, ^-2 cm. broad. 



Rhododendron Metternichii ^. pentamerum forma angustifolia Makino 

 1. c. p. 212. 



Hah. Prov. Musashi : Tokyo, Bot. Gard. Koishikawa, cult. (Herb ! 

 Sc. Coll. Imp. Univ. Tokyo, May 8, 1880 ; T. Blahino ! May 1899). 



