Observations on the Flora of Japan. 



(Continued from Vol. XXVIII. p. 30.) 



By 



T. Makino. 



Lecturer of Botany in the Science College, 

 Imperial University, Tokyo. 



Sasa bitchuensis AIakixo, sp. nov. 



Culms attaining about 3| ra. in height, about 6-11 ram. in 

 diameter, slender, terete, fistulose, often slightly flexuous, gla- 

 brous, finely striate, green, but sometimes more or less purpuras- 

 cent in sun, with white waxy substance below the node when 

 j-oung, loosely ramose, or subdensely so in age ; node more or 

 less prominent ; internode attaining about 30cm. long; branches 

 slender, erect, 1 to a node, but false-fasciculately few-ramulose 

 at the base in age. Culm-sheath usually shorter than the 

 internodes, striate when dry, lanceolate or oblong-lanceolate, 

 coriaceous, spreadingly villoso-ciliated on margin, spreadingly 

 villoso-tomentose with pale soft hairs at the very base ; micro- 

 phyll linear-lanceolate or lanceolate, spinuloso-ciliated. Leaves 

 (normal) towards the top of branches, approximate, flabellately 

 arranged, several to a branch, but fewer and pendent in age, 

 narrowly oblong, acuminate with a ver^^ sharp point, rounded 

 or obtuse and shortly decurrent at the base, ciliato-spinulated 

 on margin, coriaceo-chartaceous, but coriaceous in age, glabrous, 

 green above, paler beneath, 11-34J era. long, 3-7| cm. wide ; 

 midrib slender, prominent beneath, paler ; veins 6-11 on each 

 side, delicate ; veinlets finely tessellate ; petiole short, 2-6 mm. 

 long, glabrous dorsally, minutely tomentose towards the base 

 internally ; ligule very short, truncate, subcoriaceous, minutely 

 and densely ciliolated, shortly tomentose dorsally ; sheath long, 



