Observations on the Flora of Japan. (Continued from p. 130.)

CHIMONOBAMBUSA 11[lAKINO, gen.nov.8AMBUSA Auct pro parte, non SCHREB.ARUNDZNARIA Auct.pro parte, non MICHX.PHYLLOSTACHYS Auct, pro parte, non SIEB.RT ZUCC.The diagnosis will appear in the forecoming page.This genus is more closely allied to Arundinaria than to Bambusa and Phyllostachys.The rhizome is m©nopodial The feature of the inflorescence, spikelets, and flowers is similar to those of Arundinaria, and widely differs from those of Barn busa and Phyllostachys.The branches on the culm are in threes to each node.The culm is ringed often with the short Trial roots at the nodes ; sprouts come up in the beginning of winter ; culm-sheath is membranaceous and marmoraceously pgrple-maculate ; microphyll is minute or inconspicuous.The following two species are comprised in this new genus: namely, Chimonobambusa quadrangularis (FENzI) MAKINO, nom.nov.Bambusa quadrangularis FENZI in Bull.Soc.Tosc.Ort.V. (1880), p. 401.