May, 1921.1 DEVTZLl TNJAPONrA, COREAET FOE]\I03A. 85 



D. kelungcnsis. 



Sp. 3) Deutzia taiwanensis, (Maximowicz) Schneider in Mitteil. 

 Deutsch. Dendrol. Gesells. XIII. p. 177 (1904) et lllus. Handb. 

 Laubholzk. I. p. 377 (1905). Rehder in PI. Wils. I. p. 18 



(1911). 



D. scabra var. ? taiwanensis, Maximowicz in Mem. Acad. Imp. 

 Scienc. St. Pctersb. ser. VII. Tome X. p. 23 (1867). 



D. scabra var. crcnata, Matsumura Ind. PI. Jap. II. 2. p. 177. 

 plantre ex Formosa. 



D. kelungcnsis, Hayata Materials Fl. Form. p. 108 (1911) et 

 Icon. PI. Form. II. p. 8 (1912) et Ind. PI. Form, in Icon. PI. Form. 

 VI. siippl. p. 26 (1917). . 



D. scabra, IIemsley in Journ. Linn. Soc. XXIII. p. 276 (1887) 



pp. 



Nom. Jap. Shima-hime-utsugi (Matsumura). 



Hab. 



Formosa: Zuiho (Takiya K.wvakami n. 4235). in monte Arisan 



(Takiya K.vwakami et Ushinosuke Mori n. 3675). 



Except the stellate hairs on the plants, this species is closely 



related to the Japanese species Deutzia gracilis. The hairs of the 

 leaves are not unique ; those on the lower surface are smaller in size 



and 4-10 radiated while on the upper surface they vary from 3 to 5 



rays. 



Sp. 4) Deutzia heterotricha, Rehder in Journ. Arnold Arb. I. 3. p. 



208 (1920).' 



D. scabra, (non Thunberg) Maximowicz in Mem. Acad. Science 

 St. Petersb. Ser. 7. Tome X. p. ^4 t. 2. f. 1-18 (1867). 



D. Sieboldiana var. Tbunbergiana, Schneider in Mitteil. Deutsch. 

 Dendr: Gesells. XIII. p. 178 (1904). 



Dcutzix scabra; affinis sed exqna forma puberis et magnitudiiie 

 fructuum differt. Flores sunt semper fusiforme paniculati. Infruc- 

 tescentia in apice rami hornotini terminalis clongata 4-18 cm. longa 

 1.5-3.0 cm. lata paniculata. Pedicelli dense stellnlati et sparse setu- 

 losi. Fructus 3-4 locularis pilis stellulatis 6-7 radiatis vestitur. Styli 

 persistentes 3-4, 6-8 mm. longi. Semiua utrinque alato-producta 1 

 mm. longa reticulata. 



Nom. Jap. Birodo-utsugi (Nakai). 



Hab. 

 Hondo: in monte Ontake prov. Shinano (Gen icni Koidzumi). 

 Sp. 5) Deutzia floribunda, Nakai sp. nov. 



