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Uromyces bulbinis, Thuem. Teleutosori on flowering 

 scapes and leaves, amphigenous, small, densely gregarious, 

 frequently concentrically arranged in large circles; at first 

 covered by ashen-coloured epidermis, later exposed, firm, 

 convex, brown. 



Teleutospores globose to ovate, pedicellate, wall smooth, 

 •rather thick, 18-25x20-22//; pedicel deciduous, hyaline to 

 yellowish, 3-5 /x wide x 3-8 fx long. 



On leaves and scapes of Bidhine hidbosa, Haw. National 

 Park, Belair, Sept. -Oct., common (fig. 1). 



Fig. 1. 



Teleutospores of Uromyces hulbinis, Thuem. Drawn 



from fresh material (xllOO). 



This species was described by Thuemen in Flora, 1877, 

 and is given by Cooke, Handbook of Australian Fungi, No. 

 1738; also by McAlpine, 1906, p. 87. The localities given 

 by the latter are: Victoria, Omeo; New South Wales, Upper 

 Macquarie River. 



This rust would appear to be uncommon, for McAlpine 

 says he has not seen a specimen. It is abundant on its host 

 in parts of the National Park, Belair, affecting the leaves 

 and basal parts of the stems, and occasionally sori have been 

 found in the flowering region. The appearance is highly 

 characteristic, the ashen-coloured young sori showing plainly 

 on the yellow-orange infected portion of the host. The com- 

 pound sori are occasionally very large, in one case 14 x 2 mm. ; 

 sometimes a second ring of confluent sori surrounds the first. 



