MATERIALS FOR A FLORA OF HOKKAIDO. VII. 



By 



KiNGO MlVABE 



and 

 YÖSHUN Kudo. 



41: m m m m .1?. # vn. 



^ S!S ^ -^ 

 X Jlt to ^ 



76. Carex (Gibbp.e) ponmoshiriensis Miyabe et Kudo, sp. nov, 



Rhizoma caespit'.Kuni. Culnius gracilis, 18-35 cm altus, kievis. Folia 

 striata, plerumque ciiiaio iongiora, circa 38 cm longa, deorsum plana, 1.5 mm lata, 

 margine glabra, sursnm paulatim aiigustiora, longe attenuata, margine scabra. 

 Spiculae 2-^, g)'mnaec;uulrae, ov.itae v;l dcltoideo-ovatae, 7-8 mm longae, 4-6 mm 

 latae, densiflorae, plus-iuinus rcmotae vel supsriores 2-3 aDproximatae ; bracteae 

 omnes foliaccae, loiigissiinae usque 25 cm longae, usque 2.5 mm latae, striatae, 

 margine deorsum glabrae sursum scabrae. Squamae oblongo-ovatae apice acutae 

 vel acuminatac et aristatae, cum arista 3-3.5 mm longae, 1.2 mm latae, pallido- 

 stramineae, margine scariosae, carina viridiuscula. Utriculi pallide straminei, 

 elliptico-ovati, l?,i<:i late c:incati, 4-4.5 mm longi, compressi, glabrl, lUrinqm distincte 

 ß—jiiervati, margine alati, alls iiLiigiiif non-nilül ßntbnnüs, ore aiitice ad meditim 

 fisso. Nnx ntrlcnlo nviltj minor, oblo-igj-elliptica, snbcompressa, brevitor slipitata, 

 1.5 mm longa, 1 nun lata. Styli basi incrassati. 



NoM. Jap. Nisluda-suge (nov.). 



Hab. Hokkaido. Prov. Isliikari : Sorachigun, Ponmoshiri (S. Nishida ! '' 

 Aug. 10, 1916).' 



DisrKiB. Endemic. 



A very interesting species. It is nearest to Carex gibba VVahlenb. in its 



1) ra ffl 9i H„ 



[Trans, of Sap^ioro Natural lliilory Soc. Vol. VI. Part 3, Jan. 1917') 



