Oct. 19U.I T. MAKING.- OBSER VATIONS ON THE FLORA OF JAPAN. 293 



internally and rounded-projecting externally below the apex, 

 nearly 3mm. long, 2 mm. broad, deciduous; veins immersed, 

 subflabellate. Stamens 4, shorter than the petals, deciduous ; 

 filament subulate; anther ovato-rounded, yellow. Disk thick, 

 depressed, flat on the fase, 4-rounded-lobed on margin, glabrous, 

 about 2 mm. across. Style erect, nearly 1 mm. long, terete, 

 thickish, with a truncato-obtuse subcapitate stigma. Ovary 

 immersed in the disk, 2-celled ; ovules 2 in each cell, erect, 



Norn. Jap. Akami-no-yahugarashi. 



Hab. Prov. SATvSlJMA (2. Tashiro! Aug. 5, 1913). 



This species very closely approaches to Cissus corniculata 

 Planch. { = Vitis corniculata Benth.), from which it differs in 

 the petals and st3de. 



Arundinaria communis Makino, sp. nov. 



Rhizome horizontally repent, hypogfeous. Culm attaining 

 about 27declm. high and 1| cm. across, erect, straight, ramose 

 above, terete, fistulose, glabrous, smooth, finely substriate, the 

 old ones free from theaths; internodes attaining about 27 cm. 

 long, round with white bloom under the nodes; nodes some- 

 what prominent; culm-sheath shorter than the internodes, 

 ovato-oblong, coriaceous, glabrous on surface, densely tomen- 

 toso-pilose with spreading pale or pale-amber hairs (hairs at 

 length often deciduous) at the base, finely striate and often 

 more or less tessellate above, patently ciliated on margin, fim- 

 briate at the mouth ; microphyll subnlato-lanceolate, acuminate, 

 obtuse or acutish at the base. Branches at first 1 or 3 to a 

 node, but in age often fasciculated; branchlets slender, 1 or 3 to 

 a node; branches and branchlets erect-patent, with the marces- 

 cent old sheaths (the blades already fallen off) below, with 

 white bloom under the nodes; nodes slightly prominent. 

 Leaves bright green or deep green, lanceolate, about 4-13 and 

 palmately and pinnately arranged towards the top of branch- 

 lets, oblong-lanceolate, or narrowly lanceolate, attenuatedly 

 acuminate with a very sharp tip at the apex, obtuse acutish 



