50 



Bambusaceae Japonicse. 



{Continued from p. 32.) 

 By 



T. Makino, 



Arundinaria (Bambusoides) paniculata Makino nom. nov. 



Rhizome creeping ; internodes terete, nearly solid, smooth ; roots stout 

 and strong. Culm ascending or erect, often arcuate, attaining about 4 m. 

 in height and 2 cm. in diameter, terete, smooth, fistulose, branched above ; 

 nodes often very slightly prominent ; internodes about 24 cm. in the longest 

 ones ; branches few, loose, one to a node, erect, fastigiate, slender, terete, oft- 

 en a little compressed on one side below, encircled with glabrous coriaceous 

 and striate sheaths, which are often somewhat swollen at the base, with 

 glabrous or pubescent nodes. Culm-sheath coriaceous, glabrous, striate, 

 more or less turgid at the base; microphyll linear or linear-lanceolate. 

 Leaves large, 3-9 to a branchlet, approximate, oblong or narrowly oblong, 

 more or less abruptly acuminate with a fine point at the apex, rounded 

 or rounded-obtuse or sulx>btuse at the base and decurreut to a short petiole 

 which is 2-15 mm. in length, ciliato-scabrous on the margin, coriaceous or 

 curiact'O-char'aeeous, green and glabrous above, more or less glaucous and 

 often thinly piloso-pubescent beneath, 12-35 cm. long, 3-8 cm. broad ; mid- 

 rib slender, distinct, prominent beneath ; veins 7-13 on each side ; venules 

 very finely tessellate ; ligule short, truncate or rounded truncate, coriaceous, 

 minutely ciliated on the margin, pubescent on the outside ; sheath narrowly 

 terete, coriaceous, glabrous or piloso-pubeseent, striate, naked or ciliated on 

 the margin, rigidly fimbriate at the mouth when young. Peduncle lateral 

 on the stem, slender, erect, usually exceeding the leaves, pubescent under the 

 panicle, encircled with sheaths ; sheaths glabrous or more or less pubescent, 

 with microphylls, or sometimes the superior ones bearing normal leaves, 

 ba-al >heaths squamiform. Panicle oval or ovate or oblong-ovate, more or 

 less dense, more or less compound, about 8-22 cm. lone, with suberect or 

 erect-patent or patulose filiform 2nd and 3rd rachises and pedicels ; main 



