r 



M 



— 22 — 



/Culmi supra rhizoma elongatum inonopodiales, ceteri sympodiales ; 



1 j nodi haud elevati. Stamina 3-6. . . 2 



' Culmi omnes sympodiales ; nodi incrassati. Stamina semper 6 4 



(Stamina 3 (4). Setss orales si evolutse albas flexuosaa Iteves. 



2 j Pseudosasa Makino (P. japon ica, P. Owatarli). 



'Stamina 3-6. Setae orales destitutes vel rigidaa patentes scabraa 3 



Seta? orales semper nullse. Stamina 6. 



.... Sasamorpha Nakai (Pseudosasa spiculosa et ejus f. angustior). 

 Setas orales rigidae patentes scabras sed supra medium ssepe lasves. 



Stamina 3-5 . Sasaella Makino (Pseudosasa Plisauchii). 



,Panicula3 ad culmos laterales ex nodis inferioribus evolutse. Pedun- 



culi exerti Sasa Sect. Ensasa Nakai 



(Pseudosasa kurilensis v. ncbulosa, P. Togashiana). 

 Panicula? ad ramos laterales, semper supra medium culrnorum positss. 

 Pedunculi maxime inserti cum vaginis amplis obtecti. 



Sasa Sect. Macro chlamys Nakai 



(Pseudosasa kurilensis, P. Uchidai). 

 A genus complicated as such can not be recognised as valid and the se- 

 cond Pseudosasa of Makino goes partly to the synonym of the first Pseu- 

 dosasa and the remainings are splitted as stated above. The first Pseudo- 

 sasa, however, is still in force enrobed by the diagnosis given by me, and 

 Yadalceya can have no claim as a generic name. 



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