138 



GRAMINEvE. 



villoso-hirsutse margine ciliolatae ; pseudophyllis minutis 

 linearibus vel triangulari-lineuribus 7-8 mni.-25 mm. 

 longis basi 1J mm. latis extus glabris intus basi liirsutis 

 semper deflexis intus caiialiculatis ; atiriculis uullis ; 

 ligtila lineari-triangularis erecta recta apice finibriato- 

 ciliata cum ciliis 5-10 mm. longa, ciliis validis 34 

 mm. longis erect! s subrectis sub lente hirsuto-scabridis. 

 Culmus distante situs rectus erectus 300 cm.-440 cm 

 altus, parte iuferiore 11011 ramifera 130 cm.-140 cm 

 longa 9 mm. in diametro, teres baud striatus ; merithal- 

 lium infer! us 23 cm. longum 8 mm. in diametro. 

 lignum 2 mni. crassum ; caualis medullaris 3 mm. in 



^j ' 



diametro ; inferior ptilvillus infundibulari-promiiiens 

 elevatus, superior pulvillus leviter elevatus, pulvilli a 

 se 45 mm. distantes ; squama bicarinata usque ad basin 

 sequaliter bifida 2 cm. longa ad cariuas liirsuta cseterum 

 glabra. Kami multo-fasciciilati 60 cm. longi liaud 

 solidi foliiferi ; ramuli tenuissinii 3 5 foliiferi. Folia 

 lineari-lanceolata 8-15 cm. louga 114 cm. lata apice 

 acuminata acuminatissima basi triangulari-cuneata ad 

 petiolum brevissimum abeuntia margine scabra, iiervis 

 secundariis 2 3-pariis, nervub's 8 inter secundarios ; 

 vaginella 46 cm. longa, setae auriculares 8-10 erectis 

 rectis scabris ; ligula oblonga 1^- mm. longa obtusissima 

 liirsuta. Inflorescentia cum ramis foliiferis intermixta 

 ad apiceni ramuli terminalis. Spiculpe 710 laxe pani- 

 culatini disposatse longe pedicellatge. Spicula matura 

 11011 visa. 



Kig. 48, Arundinana 

 oiwakensis HAYATA; a, a 

 sheath of a turion ; b, the 

 same, seen from surface ; 



HAB. Musha-Oiwake, ad 7000 ped. alt., leg. B. c ' the same ' seen from 



back ; a, natural size ; 



HAYATA, Aprili. 23, 1916. others magnified. 



Very near A. niitakayamensis HAY., perhaps a form of the latter. 



Arundinaria TTsawai HAYATA sp. nov. (Fig. 49). Rhizonia longe 

 repeiis lateraliter turiou.es gereiis 8 mm. iu diametro. Tnrio erectus rectus 



