142 



GEAMINEJE. 



to the pseuclophylla which are very much smaller than those of P. MaMnoi 

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

 species are much paler than those of P. MaMnoi. 



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

 Descriptio aucta : Arborescens. Rhizoma repens tcres vel coniplanatuni 2 cm. 

 in diametro. Turio fusco-pur- 

 purascens ; vagina purpureo- 

 maculata apice obtusa subito 

 truncata, partibus truncatis quam 

 basi pscudophylli duplo latiori- 

 bus, apice hand auriculata hand 

 setosa ; ligula lata quam pseudo- 

 phyllum duplo latior, extus pubes- 

 ceris intus glabra iiitida apice 

 truucata in specimine nostro 20-7 

 mm. lata 2 mm. longa ; pseudo- 

 phyllum lineari angustum in speci- 

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

 mm. latuin apice acuminatum basi 

 latissimum supra basin subito con- 

 tractum glabrum. Culmus rectus 

 erectus 15 m. altus. 



HAB. Rmkiho : 



leg. B. HAYATA, April! . 2, 191 G. seen from within; natural size. 



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

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

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

 branaceo-coriacea apice obtuso-trmicata quam basis pscudopliylli latior marginc 

 ciliolata, auriculis iiullis ; ligula | mm. longa iiitus glabra extus hirsuta apice 

 truncata hirsuta. Pseudophyllum h'neari-triaugulare 9 mm. longum 2 mm. 

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

 13 cm. lougum 4J mm. in diametro in sectioue Q forme uno latere sulcatum ; 

 pulvillus inferior annulariter prominens, is superior plus acute prominens a 



-o- -i - Fig. 52, Phyllostachys Makinoi HATATA; a, a 



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



