GRAMIKEJE. 



141 



cost.se 4-5, veiiulis inter secundarios 7. 



HAB. Rinkiho : Daikosho, leg. B. HAYATA, Aprili. 2, 1916. 



Near P. aurea, but differs from it by the turions with purple maculated 

 vaginae and in the absence of the auricular setse. 



Phyllostachys lithophila HAYATA sp. nov. (Fig. 51). Arborescens. 

 Rhizoma horizontal! ter longe repens teres 2 cm. in diametro. Turion glaber 

 fulvo-purpurascens plus minus maculatus striatus, squama media apice obtusa 

 vel acuta, partibus apicaribus cum pseudophyllo sequilatis, apice niargine hir- 

 suta ; ligula brevissima % mm. longa apice truncata hirsuta ; pseudophyllum 

 triangulari-lineare in specimine nostro 8 mm. longum 3 mm. latum basi grada- 

 tim latins haud contractum utraque glabrum, partibus basilaribus carnosis intus 

 hirsutis. Culmus minutissime striatus distans erectus rectus 15 m. altus. 

 Merithallium in 2 m. altitudiiie 4^ cm. in diametro perfecte circulare in 

 sectione ; h'gnum 6-7 

 mm. crassum ; canah's 

 medullaris 3 cm. in 

 diametro j pulvillus 

 inferior acute tenuiter 

 elevatus, pulvillus 

 superior obscure 



tenuissime elevatus, 

 vulvillis a se 4 mm. 



distantibus. Rami ge- Fig glj Phyllostachys lithophila HAYATA ; a, an apical portion 



mini vel solitarii f a sheath of a turion ; b, the same, seen from within ; c, the 



same in vertical section ; all figures magnified. 

 ramuli 1-3-fohati, 



vaginella 3-4 cm. longa apice hirsuta, setis auricularibus paucissimis geueraliter 

 obsoletis nullis ; ligula membraiiacea cylindrica 2 mm. longa uno latere fissa 

 hirsuta. Folia lineari-lanceolata 10-20 cm. lata apice acumiiiatissinia basi 

 rotundata vel cuneata ad petiolum 2-7 mm. longum abeuntia supra glabra 

 subtus basi hirsuta cseterum gkbra, margine uno laevi, uno scabro, nervis 

 eecundariis utroque latere costse 5-6, veiiulis inter secundarios 9-10. 



HAB. Rinkiho : Chorin, leg. B. HAYATA, Aprili. 1916. 



Near P. Makinoi HAYATA, but differs from it in having vagime passing 



