USTILAGINE^ AND UREDINE^ OF CEYLON. 235 



A Uredo on Panicum antidotale Retz., Peradeniya, April, 

 1909, may belong to this species. Sori without evident spots, 

 crowded, amphigenous, oval, about 0-25 mm. long. Spores 

 in mass golden brown, yellow-brown when magnified, rather- 

 thick- walled, oval, or subglobose, or pyriform, 27-30 X 21- 

 24:\K, some globose, 26-34^, echinulate. 



Puccinia substriata Ell. & Barth. ? 



On leaves of Panicum sanguinale L., Peradeniya, May, 1910. 

 Uredo only, Peradeni3^a, June, 1908. 



Puccinia rufipes Diet. 



On Imperata arundinacea CjTilL, Gatembe, April, 1907. 



Puccinia pogonatheri n. sp. 



On Pogonatherum crinitum Kunth., Hakgala, May, 1910. 



Uredo-sori circular, oval, or elongated, 0-25-0 -6 mm. long, 

 on the under surface of the leaf , red-brown . Uredospores oval , 

 dark brown, spinulose, 25-30 x 17-20^; paraphyses capitate , 

 dark brown, thick- walled, up to 66[t. long, 6[jl diameter below, 

 inflated into a globose flattened head, up to 24fx diameter. 



Teleutosori black , circular , 0-25 mm. diameter, or oval, up to 

 0-25 X 0-6 mm. Teleutospores dark brown, oval or oblong- 

 oval, sometimes clavate, slightly constricted, apex thickened 

 (up to 8[x), rounded, or obtusely pointed, 34-48 x 18-24{x ; 

 pedicel dark brown, paler below, tapering, persistent, 30-60 

 X 5-6{jL. 



Soris uredosporiferis hypophyllis, rotundatis, ovalibus, vel 

 elongatis, 0-25-0 '6 mm. longis, rubrobrunneis ; uredosporis 

 ovalibus, fusco-brunneis, spinulosis, 25-30 x 17-20{x. Para- 

 physibus capitatis, fusco-brunneis, incrassatis, usque 66pL 

 longis, infra 6[j. diametro, supra in caput globosum depressum 

 usque 24jjL diametro inflatis. 



Soris teleutosporiferis nigris, rotundatis, 0-25 mm. diametro, 

 vel ovatis, usque 0*25 X 0-6 mm. ; teleutosporis fusco- 

 brunneis, ovaHbus vel oblongo-ovalibus, quandoque clavatis, 

 leniter constrictis, apice incrassato (usque S[i), rotundato vel 

 obtuso, 34-38 x 18-24^^ ; pedicello fusco-brunneo, infra dilu- 

 tiore, persistente, 30-60 x 5-Qi^. 



