220 Proceedings of the Royal Society of Victoria. 



(19) Sept or ia Tritici, Desm. 



On fading leaves of wheat, also stem and ear. Victoria, and 

 recorded for New South Wales by Dr. Cobb. 



(20) Phleospora Mori, Sacc. 

 On leaves of mulberry. Victoria. 



ORDER MELAXCONIACE^. 



(21) Marsoiiia defor/iiafis, Cooke and Mass. 

 On leaves and stipules of cultivated peas. September. South 

 Australia. 



Group X. — Ustilagines. 



ORDER USTILAGIXACE^. 



(22) Ustilago Allii, McAlp., n. sp. 



Sori forming minute dark coloured pustules in parallel lines- 

 along veins of scale leaves of bulb, at tirst covei-ed by the 

 epidermis, then pulverulent, black, in streaks or blending into 

 masses. 



Resting-spores dark brown, spherical, echinulate, imbedded 

 in gelatinous mass, 4 - 4^/x. in dia. Jointed mycelium here 

 and there in gelatinous mass, 3/x. broad. On scale leaves of 

 stored onion bulbs. Ardmona, in Goulburn Valley, Victoria. 

 (Robinson, 97). 



(23) Ustilago Foarian, McAlp., n. sp. 



Only found on stunted plants so far, distorting, discolouring, 

 and forming black powdery masses, especially on the foliage. 



Resting-spores globose or irregularly spherical, yellowish- 

 brown, epispore echinulate, 12i/x in dia., or 14 x \'2\fx. 



On very small specimens of Foa aiifiua, growing in haixl 

 ground. October. Ardmona, in GoulV)urn Valley, Victoria 

 (Robinson, 82). 



(24) Urocysiis occulta, Preuss. 

 On wheat plants, very destructive to crop. Victoria ; and 

 recorded for New South Wales by Di\ Cobb. 



