GRAMINKSS. 



to the pseudophylla which are very much smaller than th je'of P. Makinoi 

 and in the absence of the auricular setae in the leaves. Turions of this new 

 species are much paler than those of P. Maldnoi. 



Phyllostachys Makinoi HAYATA (Fig. 52) Ic. PI. Formos. V. p. 250- 

 Descriptio ancta : Arborescens. Rhizoma repens teres vel cornplanatum 2cm. 

 in diametro. Turio fusco-pur- 

 purascens ; vagina purpureo- 

 maculata apice obtusa subito 

 truncata, partibus truncatis quam 

 basi pseudophylli duplo latiori- 

 bus, apice haud auriculata haud 

 setosa ; ligula lata quam pseudo- 

 phyllum duplo latior, extus pubes- 

 cens intus glabra iiitida apice 

 truncata in specimine nost.ro 20-7 

 mm. lata 2 mm. longa ; pseudo- 

 phyllum lineari angustum in speci- 

 mine iiostro 2-8 cm. longum 3^-8 

 mm. latuni apice acuminatum basi 

 latissimum supra basin subito con- 

 tracturn glabrum. Culmus rectus 

 erectus 15 m. altus. 



HAB. Rillkiho: Rosuiko Fi S2 > P^^atachys Makirui HATATA; a, a 



' sheath of a turion, seen from without; b, the same, 

 leg. B. HAYATA, Aprili. 2, 1916. seen from within ; natural size. 



Phyllostachys nigripes HAYATA sp. nov. (Fig. 53). Rhizoma repens 

 tcres 6 mm. in diametro fuscens. Turio deorsum purpurascens sursum viridis 

 glaber ; vagina media in specimine nostro 4 cm. longa 1 cm. lata apice mem- 

 brauaceo-coriacea apiee obtuso-truncata quam basis pseudophylli latior margine 

 ciliolata, auriculis nullis ; ligula f mm. longa intus glabra extus hirsuta apice 

 truncata hirsuta. Pseudophyllum lineari-triangulare 9 mm. longum 2 mm. 

 latum. Culmus gracilis fusco-purpurascens 100 cm. altus. Merithallium medium 

 13 cm. longum 4 mm. in diametro in sectione Q forme uno latere sulcatum ; 

 pulvillus inferior ammlariter prominens, is superior plus acute prominens a 



