54 



Branch terete, fistulose, rinoly striate, often purpurescent, encircled with 

 glabrous sheaths, nodes glabrous. Leaves oblong or narrowly oblong, about 

 2-4 to a branch, approximate, 5J--20 cm. long, more or less acuminate with 

 a fine point, obtuse or rounded-obtuse at the base and decurrent to a 

 short petiole 2-10 mm. in length, ciliato-scabrous on the margin, chartaceo- 

 coriaceous, glal)rous, more or less glaucous or sometimes very thinly pul as- 

 cent beneatli ; veins 5-10 on each side of a distinct midrib, with very finely 

 tessellate venules between them; ligule short, truncate, minutely ciliated, 

 pubescent externally; sheath narrowly terete, finely striate, glabrous, often 

 ciliated-margined, rigidly patent-fimbriate at the mouth. Peduncle slender, 

 erect, lateral on stem-, exceeding the leaves, encircled with glabrous sheaths 

 which bear subulate-lanceolate microphylls, with glabrous nodes. Panicle 

 ovate or angustato-ovate, 5-16 cm. long, loose, with erect or erect-patent 

 filiform 2nd rachises and pedicels; main-rachis slender, pubescent as well 

 as 2nd rachises and pedicels; 2nd rachis 2-4-spiculiferous. Spicula linear, 

 longer or shorter than the pedicel, 2-3 i cm. long, straight, compressed, laxly 

 disposed with 4-7-Howcrs : rachilla uYxuous. densely pubescent. Flower 

 erect, lanceolate, very sharply pointed at the apex, 6-9 mm. long, dilute 

 virescent tinged with purple colour. Empty glumes 2, approximate, pubes- 

 cent ; I very minute, subulate, 1 -nerved; II larger than the I, about 

 4-8 mm. long, subulate-ovate, sharply p.'mt.-d, ciliated, membranaceous, 

 1-9-nerved. Flowering glume ovate, shortly acuminate with a mucronate 

 point, chartaceo-membranaceous, ciliated-margined above, pubcrulent towards 

 the margin, about 11-nerved, with loose and delicate transverse venules 

 k'tween veins. Palea a little shorter than the flowering glume, elliptical, 

 convoluto-lanceolate, bifid at the apex, bi-carinate, membranaceous, ciliated 

 on margin and carina?, more or less pubescent towards the margin, p u - 

 berulent on the back, viridescent tinged with purple hue, about 9-nerved, 

 with loose and delicate transverse venules between veins. Lodiculje 3, 

 oval or ovate, obtuse or subacute at the apex, pilose on the margin alx>ve, 

 membranaceous, nervate, about 1£ mm. long. Stamens 6 ; filament fili- 

 form ; anther linear, bifid at both ends, about 5 mm. long, yellow or 

 fulvous-yellow. Ovary cylindrical-oblong, glabrous ; styles 3, short, connate 

 below; stigma longer than the styles, plumose. 



Arundinaria nana Hackel in litt. ex Z. Mataumura. 



Nom. Jap. Miyama-suzu (Z. Matsumura). 



Hah. Prov. Siiimotsuke: Mt. Nikfeo (Herb.! Sc. Coll. Imp. Univ. 

 Tokyo); Prov. Suinano: Mt, Ontake (/,'. Yatabel herb. I.e. July 27, 

 1880); Prov. Etchu : Mt, Tate-yama (2?. Yatabe and Z. Matsumura \ 

 herb. I.e. July 23, 1884). 



