224 ^- ^''"*^- 



The present species is often found mixed with Pucciuia Phragmitis 

 on the same leaves of l^hraginites comtiiunis. Macroscopically tlie sorus of 

 this species is considerably smaller and less pnlvinate than that of Piucinia 

 Phragmitis. 



The ^cidium on Ranunculus rcpcns is very commonly found in our 

 country, and the)' agree exactly to the description made by FiSCllER (i) on 

 the European plants. Although there is no record in Europe concerning the 

 presence of the spermogonia, in our species they are found on the upper 

 surface of the leaf. 



40. Puccinia moriokaensis S. Itö. n. sp. (PI. XII. Fig. i). 



Tclcutosori, amphigenous, mostly hypophyllous ; medium sized, oblong 

 or sublinear, scattered or gregarious, often confluent (2.5 mm in length), 

 naked, with torn epidermis, pulvinate, compact, thick, ]iromincnt, black. 

 Teleutospores, fusiform or oblong-clavate, apex apiculate, rarely truncate or 

 rounded, thickened (r)-i2//), base attenuated, not or slightl)' constricted at 

 the septum, smooth, clustnut-brown, darker colored at apex, 44-70 x 12-18/^; 

 jiedicels persistent, slender, \'ery long, So-ioo/^, often 120// in length, In-alinL- 

 or light yellowish brown. 



Hab. ^^\\ Phragniites coniinunis Trin. 



Honshu.— IVov. Ri'<iuh'i : J\loiiol<a (III. Oct. 29. i.;o;. < :. \amada & K. Sawaua). 



Distrib. Jaiiaii. 



Remarks. This species is found growing together with Puccinia 

 Magnusiana on the same leaf of Phragmitcs couiuiunis. Its sorus is 

 comparati\-ely larger than that of the latter species ; so that, macroscojiically, 

 it resembles rather \.\\a^ (A Puccinia Pliraguiitis. Microscopically, however, 

 the present species differs distinctly from Puccinia Pliraguiitis and ap- 

 proaches rather to Puccinia Magnusiana. 



When comparing this species with other species of I'Licciuia on Plirag- 

 ■initcs. I was unable to find an\' species th;it would coincide exact!)' with it. 

 From Puccinia P/iraxntitis (Schm.) Koern., P. Traiiii Plowr.. /'. obtusata 

 (Otth.) FaI. h'ischer, P. Isiacccc (Thiim.) \\'int., P. Tcpperi Lutlw., P. torosa 

 Thüm., and P. Prabulii Roem et Sacc, our species is e:isil)- distinguished 

 b\- its slender teleutospore and from Puccinia Alagniisiaiia Koern., P. simi- 



