16 THE JOUENAL OF JAPANESE B0TA2^Y. ivoi. iii. Xo. 4. 



Noru. Jap. Shiro-umemodoki. 

 Hab. JAPAN. 



Sasa hannoensis Makixo, nov. sp. 



Rhizome hypogaeous, long-creeping, terete, rooting at the nodes. Culm 

 erect, attaining about l|m. in height and about 5mm. in diamater, ramose 

 above, terete, fistulöse, smooth and very finely striate, green, often purplish, 

 usually with old sheaths, with prominent nodes and white bloom under it; 

 branches and branchlets solitary to each node, erect-patent, usually enclosed 

 with sheaths. Leaves several towards the top, of branchlets, palmato-i^innately 

 arranged, lanceolate or narrow-lanceolate, gradually acuminate with a fine 

 point at the apex, rounded or rounded-obtuse at the base but acute or acutish- 

 obtuse at the superior ones, 12-23cm. long, l|-4cm. broad, thinly chartaceous, 

 green and glabrous above, paler and thinly pubescent beneath, minutely 

 spinulose on margins and pilose on the basal one margin ; midrib very slender, 

 prominent beneath; veins 5-8 on each side; veinlets finely tessellate; petiole 

 short, flattened, puberulous in front; ligule very short, truncate, minutely 

 puberulous dorsally; sheath long, closely enclosed the branchlets, glabrous, 

 finely striate, more or less very minutely ciliated on the one margin ; fimbriae 

 setiform, erect, flabellate, not stitf, deciduous. 



Nom. Jap. Hanno-zasa (nov.). 



Hab. Prov. MUSASHI: Hanno (T. Makixo!). 



Sasa Hayatae Makixo, nov. sp. 



Rhizome hypogaeous, long-creeping, terete, rooting at the nodes. Culm 

 «rect, about j-ljm. in height, ^-1 cm. in diameter, ramose above, terete, smooth, 

 green, often purplish, enclosed at first with hirsute shoot-sheaths which become 

 glal)rate soon, with the slightly prominent nodes; branches solitary to each 

 node, erect-patent, enclosed with sheaths. Leaves palmato-pinnately arranged 

 with 3-6 towards the top of branchlets, shortly petiolate, oblong-lanceolate or 

 lanceolate, gradually acuminate at the apex, rounded-obtuse at the base l)ut 

 acutish-obtuse or acute at the apical one, minutely spinulose on margins, 

 10-20cm. long, 2-4cm. wide, chartaceous, green and glabrous above, paler and 

 thinly pubescent (hairs longer on the midrib and the basal portion) beneath, 

 more or less narrowly decay on both margins in winter; midrib slender, pro- 

 minent beneath; veins 6-10 on each side; A'einlets minutely tessellate beneath ; 

 petiole 3-7mm. long, flattened, densely puberulous towards the base in front; 

 ligule short, truncato-rounded, aljout l^mm. long, minutely ciliated, puberulous 

 <lorsally; sheath long, closely enclosed the branches, at first hirsute, soon 

 after glabrate, often purplish, many-striate, ciliated with white patent liairs 

 on the one margin; fimbriae soon deciduous. 



Nom. Jap. Mi'jama-kumaznsa, 



Hab. Prov. MÜSASHI: Mt. Takao (T. Makixo!). 



I have named this new species in commemoration of Prof. Brxzo Hayata 

 •of the Botanical Institute, Imperial L^niversity of Tokyo. 



(To ie continued.) 



