4 THE JOURNAL OF JAPANESE BOTANY. LVoi. iii .\o. i. 



trorsely, smooth green. Leaves opposite, petiolate, broadly ovate, cordato- 

 auriculate "nith a deep sinus at the base, subcaudato-acuminate at tlie apex» 

 entire, attaining about 11 cm. long, 6| cm. broad, thinly membranaceous when 

 dry, green and puberulent on nerves and very thinly so towards the margin 

 above, paler l>eneath ; veins about 5-9 on each side ; petiole attaining about 

 4 cm. long. Inflorescence axillary, shorter than the petiole. Flower ? Fol- 

 licle linear-lanceolate, attenuated above, with an obtuse tip, smooth, green? 

 4 cm. long. 



Nom. Jap. Maruha-kamomedzuru (nov.). 



Bab. Prov. TOSA : Ryoke in Juroku-mura(ToRAMA Yoshinaga ! June 1919). 



This species comes near to Tylopholn ar'istolochioldps (^IiQ.) Fraxcu. et Sav., 

 but the leaves differ from the latter. 



Arundinaria yamakitensis Marino, nov. sp. 



About 2-3 m. in lieight ; rhizome hypogaeous, long-repent, rooting. Culm 

 erect, slender, terete, fistulöse, smooth, finely striate when dried, green, often 

 purplish in the sunny side, many ramose above in age, attaining about 6 mm. 

 or more in diameter ; internode usually encircled with dried old sheaths, witli 

 white-bloom under the node when young ; node slightly elevated. Leaves 

 about 2-6 to a branchlet and alternately placed towards the top of them, 

 rather closely and palmately arranged, 11-31 cm. long, lj-4cm. wide, lanceo- 

 late to narrowly lanceolate, attenuatedly acuminate with a very sharp point, 

 acute or obtuse at the base, spinuloso-scabi-ous on margin, coi-iaceo-chartaceous, 

 glabrous, green above, glaucous excepting one side beneath, the margin usually 

 pale-decayed in winter ; midrib slender, paler, prominent beneath ; veins 5-8, 

 parallel ; veinlets finely and closely striate in the upper surface, finely tessel- 

 late beneath between the veins ; petiole 4-8 mm. long, flat, puberulent below 

 internally ; ligule very short, truncate, puberulent ; sheath long, coriaceous, 

 closely encircled the l)ranchlet, finely striate, glabrous, often purple in the 

 sunny side, ciliated on margin, free from the fallen l)lade finally, long- 

 fiml)riate at the top when young then the fimliriae deciduous. Flower? 



Xom. Jap. Yamakita-dake (nov.). 



Hah. Prov. SAGAMI : Yamakita, hill side (T. Marino ! Jan. 20, 1921). 



A rare bamboo ; it comes near to Arundinaria variegata var: viridis forma 

 glabra Marino, but the leaves are much larger and firmer. 



Fagopyrum esculentum Moencu. or. autumnale Marino. 

 The flower and fruit in autumn. 



iSTom. Jap. Soba, Akisoba (Common or Autumn Buckwheat). 

 Hah. JAPAN, cultivated. 

 ß. aestivum Marino. 



The flower and fruit in summer. Stem often rather stouter, Aehene 

 larger ; albumen fewer in quantity in each seed. 

 Nom. Jap. Natsu-sdba (Summer Buckwheat). 

 Hab. JAPAN, cultivated. 



( To be continued.) 



