Observations on the Flora of Japan 



Fasciculus V. 1905. 



By 



T. Makino, 



Assistant in the Botanical Institute, Science 

 College, Imperial University of Tokyo. 



All Known Species of the Japanese Listera. 

 LISTERA R. Brown in Ait. Hort. Kew. ed. 2, V. p. 201. 

 Analytical Key. 



fLabellura entire (not cleft), linear-lanceolate, elongate- 

 linear above L. japonicn Bi. 

 Labellum biHd 2. 



(Libellum: basal teeth none or obscure 3. 



iLabellnm: basal teeth well develoiied 4. 



yLabellum: lobes usually close (very rarely divergent); 

 basal teeth none. Leaves situated in the lower 



portion of the whole plant L. Savatieri Maxim. 



Labellum: lobes divergent; basal teeth very minute 

 and obscure. Leaves situated in the middle of the 



whole plant L. Yatabei Makino. 



■Labellum : lobes linear or lato-linear, few or sub-several- 

 nerved 5. 



Labellum : lobes short broad and oval, several or sub- 

 numerous-nerved L. nipponica Makino. 



Xabelluin'5J-8i mm. long; lobes lato-linear, obtuse or 

 I acute :ind ofti-n p:iuci-deiiiate at the apex; basal 



I teeth turned towards tlie column and c!a>ping it L. shikokiana Makino. 



j Labellum 2^-.3| mm. long ; lobes linear, laperiuy; towards 

 I the apex; basal tectli spr a inj< and curved fur- 

 ^ wards 2,. cwduta R Br. 



Lis'era Japonica Bhvw, Coll. Orcliiil. Anhip. Iml. et J.ip. p. 13G, 

 tab. 38, fig. 2, et tab. 48, fig. E ; Miq. Prol. F). Jap. p. 141 ; Makino in 

 Bot. Mag., Tokyo, VII. (1893) p. 66. 



Diphri/Uum japonicum 0. Kuntze, Euv. Gen. PL II. p. 659. 



* Botanical Magazine, Tokyo, Vol. XIX. (1905). 



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