May iM3j T M NKTNQ.— OBSERVATIONS ON THE FLORA OF JAPAN. 109 



Making in Bot. Mag., Tokyo, (1890), p. 151, et XXII. (1908), 

 p. 55 ; Matsum. Enura. PL Jap. II. 2 (1912), p. 163 ; C. Sch- 

 neid. 111. Handb. Laubholzk. II. (1912), p. 503. 



Azalea macrosepala 0. Kuntze, Rev. Gen. PL II. (1891), p. 

 387. 



Nom. Jap. Alochi-tsutsuji. 



Hab. JAPAN, spontaneous and cultivated. 



Maximowicz places this in Sect. Azalea, but it properly 

 should be referred to Sect. Tsusia, which is embraced Rh. rosma- 

 rini folium Dipp., Rh. linearifolium Sieb. et Zucc, Rh. sublanceo- 

 latum Miq., and Rh. indicum Sweet, etc. 



forma b. Hanaguruma (Komatsu) Makino. 



Rhododendron ledifolium var. leucanthum forma Hanagu- 

 ruma Komatsu in Sched. herb. Sc. Coll. Imp. Univ. Tokyo. 



Rhododendron macrosepalum var. Hanaguruma Makixo in 

 Sched. herb. Sc. Coll. Imp. Univ. Tokyo. 



Rhododendron linearifolium var. macrosepalum forma polv- 

 petalum Makino MSS. 



Leaves elliptical, elliptical-oblong, or oblong-lanceolate, often 

 subcrispate. Sepals linear, acuminate, viridescent, glanduloso- 

 villose outside, about 2§ cm. or more long. Corolla light lilac, 

 5-divided, about 3i-l cm. long ; segments spathulate, narrowly 

 attenuated below, with a space between them. Stamens shorter 

 than the corolla. Style slightly exserted. 



Nom. Jap. Hana-guruma. 



Hab. JAPAN, cultivated (T. Makino !). 



A garden from. 



forma c. rhodoroides (Maxim.) Makino. 



Rhododendron macrosepalum /5. rhodoroides Maxim. Rhod. 

 As. Orient. (1870), p. 31 ; Franch. et Sav. Enum. PL Jap. I. 

 (1875), p. 290 ; Matsum. Enum. PL Jap. II. 2 (1912), p. 163. 



Rhododendron ledifolium var. Kochozoroi Komatsu in Sched. 

 herb. Sc. Coll. Imp. Univ. Tokyo. 



Leaves elliptical, oval-elliptical. Sepals linear or broadly 

 linear, acuminate, glanduloso-villose outside, viridescent, about 

 l^-2^cm. long. Corolla slightly longer than the sepals, pale- 

 viridescent and shaded with purple above, deeply 5-parted ; 



