GKAMINEJE. 



141 



4-5, venulis inter sccimdarios 7. 



HAB. Rinkiho : Daikosho, leg. B. HAYATA, April!. 2, 1916. 



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

 Vaginae and in the absence of the auricular seta?. 



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

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

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

 vel acuta, partibus apicaribus cum pseudophyllo a?quilatis, apice marginc hir- 

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

 triangulari-lineare in spccimine uostro 8 mm. longum 3 nim. latum basi grada- 

 tim latins hand contractum utraque glabrum, partibus basilaribus carnosis intus 

 hirsutis. Culmus minutissinie striatus distans ercctus rectus 15 m. altus. 

 Merithallium in 2m. altitudinc 4^- cm. in diametro perfecte circulare in 

 sectione ; lignum 6-7 

 mm. crassum ; canalis 

 medullaris 3cm. in 

 diametro ; pulvillus 

 inferior acute tenuiter 

 elevatus, pulvillus 

 superior obscure 



tennissime elevatus, 

 vulvillis a se 4 mm. 

 distantibus. Ranii ge- 

 mini vel solitarii ; 

 ramuli 1-3-foliati, 

 vaginella 3-4 cm. longa apice hirsuta, setis auricularibus paucissiniis gencraliter 

 obsoletis nullis ; ligula mcmbranacca cylindrica 2 mm. longa 11110 laterc fissa 

 hirsuta. Folia lincari-lanceolata 10-20 cm. lata apice acumiuatissima basi 

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

 subtus basi hirsuta ca?tcrum glabra, marginc uno la?vi, uno scabro, ncrvis 

 secnndariis utroquc latere costa? 5-6, venulis inter sccimdarios 9-10. 



HAB. Rinkiho : Chorin, leg. B. HAYATA, April! . 1916. 



Near P. Maldnoi HAYATA, but differs from it in having vagina? passing 



Fig 5]> phyliostachys UthopJdla HAYATA ; a, an apical portion 

 f - a slie^tl 1 of a turion ; b, the same, seen from within ; c, the 

 same in vertical section ; all figures magnified. 



